P1494 jeep. sorry it took so long, here are the codes p0305 cyl 5 misfire p0442 p...

Ive recently bought a 2001 Jeep Cherokee sport,with 3&qu

Hello Folks, With The Lord’s Help we change out our charcoal canister in our 1999 Jeep Cherokee Xj. Please email questions to:[email protected] nu...I have the following codes, P1682-p0320-p0351-p0301-p1494, - Answered by a verified Jeep Mechanic. We use cookies to give you the best possible experience on our website. ... I have a 1998 Jeep grand cherokee with a 4.0 that wont start changed coil, ...Well, like the title says I'm getting the dreaded P1495 code but my 1999 TJ doesn't even have a LDP. It's a 4.0 on a Sahara with standard tranny. According to all the posts, pictures, manuals, etc. that I have looked at, the LDP should be right in front of the canister filter. All I have is the surge solenoid and the canister filter.191 21K views 3 years ago In this video I diagnose and fix my check engine light in Project XJ. Engine code : P1494 Leak Detection Pump. Quick and easy fix …SOURCE: jeep codes location of unit. Got me a complete manual for 199 jeep factory model and found location of each individual unit in question. Manual gives u possible solution to each code and repair and or replace. As a mechanic myself testing, trouble shooting and repair was not that difficult. Shift solenoid was very difficult to get to.Labor: 1.0. The cost to diagnose the P1694 Jeep code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour. Search for P1694 Jeep Questions and Answers: Search here →. Jeep. Have Jeep questions? Ask a Jeep repair expert for answers. Connect one-on-one with {0} ... (10/02) has set the check light 2 times in 2 weeks with code P1494. No running problems. Do I have to replace the leak detection pump? Is this a comon problem? It has 100k on it, and is starting to want some $ put into it. Submitted: 15 years ago.17970 Answers. SOURCE: code P1494. DTC P1494 - Leak Detection Pump Switch or Mechanical Fault. The causes are possibly an open or shorted switch sense circuit, a pump switch failure, or an open "fused ignition switch" output. First off, a model year 2001 is will still covered under the emissions warranty.2001 Jeep Grand Cherokee Limited 6 Cyl 4.0L. Engine Light Fault Code P1494. Was recommended to replace the Leak Detection Pump but it was only available through a Dealership, so that's why I'm online searching for info.P1494- 2 XJ's fixed. Another heads-up post. Both my XJ's had the recurring P1494 code. That is the evap pump and/or vacuum lines. I checked both XJ's from front to back not finding any issues. Then I realized the big vacuum fitting at the intake manifold was squishy and soft. It would pop off if the engine backfired.The Dodge P1494 engine light code means Leak Detection Pump Switch or Mechanical Fault. A proper diagnosis must be done, you can't simply replace the LDP and expect that to fix the problem. A proper diagnosis must be done, you can't simply replace the LDP and expect that to fix the problem.SOURCE: 2001 jeep cherokee has a p1494 code and a p0301. 0301 is cyclinder 1 miss fire,check coil pack and spark plug,plug first,1494 is the fan relay,It's in the right front of the engine compartment. Kind of behind and below the RF headlamp and in front of and below the fuse box. Easy to replace, just unplug it and plug the new one in.Check engine light came on code P0505, P0135, P0155, P1494. 2002 Jeep Grand Cherokee; Open Questions: 0 answers. 99 jeep cherokee sport 4wd no spark. Read full answer. Be the first to answer Jun 03, 2014 • 2000 Jeep Cherokee. 0 answers. engine tapping noise tapping from top of engine.The Leak Detection Pump (LDP) is located under the left quarter panel behind the left/rear wheel ( LOCATION, LDP / EVAP CANISTER ). It is attached to a two-piece support bracket ( TWO-PIECE SUPPORT BRACKET. STONE SHIELD. LDP MOUNTING BOLTS. TWO-PIECE SUPPORT BRACKET.Thanks for holding, Bruce. The P1494 is a fairly straight forward code pointing to a problem with the Leak Detection Pump. On your vehicle, the Leak Detection Pump is located under the hood, in the driver's side front corner of engine compartment below the …Labor: 1.0. The cost to diagnose the P1694 Jeep code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour. Search for P1694 Jeep Questions and Answers: Search here →.Aug 14, 2023 · Specifically, p1494 jeep refers to a Leak Detection Pump (LDP) issue that manifests as a switch or mechanical fault within your Jeep vehicle. Shedding light upon what triggers this error, examining the symptomatic indicators, and offering step-by-step, easy-to-follow solutions to fix the problem, this piece is a handy guide for dealing with ... Symptom: P-1494 LEAK DETECT PUMP SW OR MECHANICAL FAULT. When Monitored and Set Condition: P-1494 LEAK DETECT PUMP SW OR MECHANICAL FAULT. When Monitored: Immediately after a cold start, with battery/ambient temperature. between 40 deg. F and 90 deg. F and coolant temperature within 10 deg. F of battery/. ambient.2001 jeep cherokee has a p1494 code and a p0301 code seems to be running fine but want pass emissions. 0301 is cyclinder 1 miss fire,check coil pack and spark plug,plug first,1494 is the fan relay,It's in the right front of the engine compartment. Kind of behind and below the RF headlamp and in front of and below the fuse box.Apr 13, 2011 · The Jeep uses a pump to test the fuel vapor emission control system, and your pump is acting up. So the computer will not be able to test your system for vapor leaks. Please let me know if you would like troubleshooting procedures to determine the exact problem, and thanks for using FixYa. Trouble Code: P1494 EVAP Leak Detection Pump Switch Or ... P1494 and P0132 came up on the scanner for problems. The car acts like it's not getting enough gas. It is jerking and when I am at a red light you can feel it jerking like the gas in getting in too fast. I havae to keep both feet on the brake. After I go a few miles All the jerking, coughing and whatnot stops. What's wrong with my Jeep?P1494 Jeep - What is the part I will need to replace if this is happening to my vehicle. asked Nov 8, 2017 by anonymous. jeep; p1494; 0 votes. 1 answer 431 views. code P1494 on a 1999 Plymouth neon. what do I need to do to get engine light off for this problem. asked Sep 16, 2018 by anonymous. code; p1494; 37.4k questionsSymptom: P-1494 LEAK DETECT PUMP SW OR MECHANICAL FAULT. When Monitored and Set Condition: P-1494 LEAK DETECT PUMP SW OR MECHANICAL FAULT. When Monitored: Immediately after a cold start, with battery/ambient temperature. between 40 deg. F and 90 deg. F and coolant temperature within 10 deg. F of battery/. ambient.P0344 JEEP - Camshaft Position Sensor Intermittent Interruption Bank 1 Sensor 1 Read more: https: ... p1494; jeep; grand-cherokee +1 vote. 2 answers 1.6k views. Where is the P0138 (B1-S2) located on a 2004 Jeep Grand Cherokee 4.0L? asked Oct 21, 2017 by anonymous. jeep; grand-cherokee;P1494 (M)Leak Detection Pump Sw or Mechanical Fault. Incorrect input state detected for the Leak Detection Pump (LDP) pressure switch. The Evaporative LDP switch may be bad or the pump itself has a problem. Check the pump, the wire connections, and the hoses attached to it. LEAK DETECTION PUMP (LDP) OPERATION.P1494 Jeep. By John Rony August 14, 2023 August 14, 2023. For those of you battling with the agonizing "p1494 jeep" engine light, rest assured, you are not alone. The P1494 code is a diagnostic trouble code (DTC) that is universally used to identify specific problems with your vehicle. Specifically, p1494 jeep refers to a Leak Detection ...P1494 Jeep EVAP Leak Detection Pump Pressure Switch Condition. Read full answer. Feb 17, 2018 • Jeep Grand ... Check the answer in other post mine: Grand Cherokee Jeep code P149 4 Hope helps (remember to rate this). Read full answer. Sep 30, 2010 • 1999 Jeep Grand Cherokee. 1 helpful. 1 answer. My check engine light is on - Took it to auto ...I did a search here and found some info but not enough,so Help if you can please. 1999 GC check engine light came on I pulled code P-1494. It is the Leak Detection Pump pressure switch. I need to know where it is located and how to fix it. UPDATE: Using the diagram that Joe furnished I found...Anonymous. This fault code indicates there is a problem with the leak detection pump switch or a mechanical fault in the pump. The leak detection pump is part of the evaporative emissions control system. It is part of the self-test system that makes sure the evaportive emission system is working properly. The pump applies vacuum to the system ...Code P1494 Jeep Description. The Evaporative emissions system is designed to prevent the escape of fuel vapors from the fuel system. Leaks in the system ca allow vapors to escape into the atmosphere. The leak detection system tests for EVAP system leaks and blockage.Getting a code p1494. Trouble Code: P1494. EVAP Leak Detection Pump Switch Or Mechanical Fault. Possible Causes: LDP switch signal circuit is open or shorted to ground.LDP switch power circuit is open (test power to Fused Ignition).LDP vacuum hose is clogged, loose or restricted.LDP assembly is damaged or has failed (the switch has failed).What does the engine code p1494 mean for a 1997 Jeep Grand Cherokee? possible faulty leak detection pump. 1999 Jeep Grand Cherokee What is p1494? Trouble code P1494 means: Leak detection pump ...Jan 15, 2011 · P1494 (M)Leak Detection Pump Sw or Mechanical Fault. Incorrect input state detected for the Leak Detection Pump (LDP) pressure switch. The Evaporative LDP switch may be bad or the pump itself has a problem. Check the pump, the wire connections, and the hoses attached to it. The Evaporative emissions system is design to prevent the escape of ... Is it an ignition coil problem? Or Is it something more.Copy ad Paste this text into a browser windowhttps://www.jeep.com/webselfservice/BuildSheetServlet?vi...See full list on jeepadvices.com I have a 2003 jeep liberty limited edition. The check engine light came on. I took it to have a diagnostic and came back with 2 codes P1294 and P1494 ... P1494 SPCUT Solenoid Circuit Malfunction-----NEXIQ 125032. Read full answer. Dec 03, 2012 • Jeep Liberty Cars & Trucks. 0 helpful. 2 answers. My 2000 Dakota, 4.7 l, tends to idle too low ...What are Code P1494 Jeep Possible Symptoms? Engine Light ON (or Service Engine Soon Warning Light) Possible a noticeable fuel odor caused by the release of fuel vapors Search for P1494 Jeep Questions and Answers: Search here → Code P1494 Jeep Description1999 jeep cherokee. runs ok for about 40 minutes as long as no stop and go, then suddenly feels like its running out of gas. check engine light on. trouble codes p0353 p0352 p0351 91391 p1494 changed …Que significa codigo p1494. An open or short circuit. Vacuum hose clogged. Check the following connectors: A-109, B-76, B-63, A-107. Repair if needed. If its ok then check: Check the harness wire between the Evaporative Emission Ventilation Solenoid connector.What is the Cost to Diagnose the Code P1494 Dodge? Labor: 1.0. The cost to diagnose the P1494 Dodge code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.This check engine light on my 99 JGC 4.0 came on after brake lines were replaced by Midas - code was p1494, an indication of a fault in the leak detection system-- turned out to be a disconnected vacuum hose from pump to engine at the engine side --- easiest fix so far on this jeep - and free. Reply. Save. Dalair · #6 · Nov 25, 2011.I received two fault codes on my 2002 Jeep Grand Cherokee Overland 4.7L HO yesterday - P0325 & P1494. I know what these codes mean (via the code look-up list). Any ideas on what caused these both to come up at once? I'm trying to pinpoint the problem. Any advice would be appreciated.About the Index table - The Index table below lists every TSB issued for the Grand Cherokee WJ series, starting with the first bulletin issued in 1998 for the 1999 model year to the most current releases in 2004. Bulletins listed in Gray text represent those that have been superseded, and feature a link to the revised issue. Bulletins are listed in Group order, and within the Group by issue ...The Jeep uses a pump to test the fuel vapor emission control system, and your pump is acting up. So the computer will not be able to test your system for vapor leaks. Please let me know if you would like troubleshooting procedures to determine the exact problem, and thanks for using FixYa. Trouble Code: P1494 EVAP Leak Detection Pump Switch Or ...Help, 97 Jeep Tj Code P1494 ... 4 years and 2 mechanics, still can't find problem. 2799 Views 10 Replies 9 Participants Last post by PDoyle, ... P1494 Leak detection pump or mechanical fault, I just can't find the problem and the 1997 doesn't have a leak detection pump, I've been told. ...Check engine light came on code P0505, P0135, P0155, P1494. 2002 Jeep Grand Cherokee; Open Questions: 0 answers. Main fuse location Jeep Grand Cherokee 1999. Read full answer. Be the first to answer Aug 14, 2019 • 1999 Jeep Grand Cherokee. 0 answers.Colin Stickland. Chrysler Master. 22,509 Answers. P1494 Leak detection pump pressure switch or mechanical fault. P1495 Leak detection pump solenoid circuit. you have a problem with the fume extraction circuit like a motor or something. Posted on Apr 24, 2011.Codes I got: P0138: O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) P0700: Check Transmission DTC's (This code indicates that the EATX (Transmission controller) has an active fault and has illuminated the MIL via a BUS message. The specific fault must be acquired from the EATX via a DRBIII tool.Jeep: hoses..the car started to stall when the car..check engine light - Answered by a verified Jeep Mechanic. We use cookies to give you the best possible experience on our website. ... My OBD II code on a 200 Jeep Charokee Sport is P1494 - "Leak detection pump switch or mechanical fault."Two things come to mind a CKP sensor going bad* and a fuel pressure problem. P1281-ENGINE IS COLD TOO LONG. P1494-LEAK DETECTION PUMP SWITCH OR MECHANICAL. FAULT. I would back brner those until jeep is running. * CKP the crank sensor- 1st suspect they often fail as you describe stall and restart to no start without setting a code.Mar 15, 2015 · The 1494 has more to do with wiring than leakage. "When monitored: Immediately after a cold start, with battery/ambient air temp between 40 degrees and 90 degrees and coolant temp within 10 degrees of battery/ambient." Past history would indicate most likely point of failure is the actual LDP. ChinavasionP1494 on 2003 jeep liberty. that code is manufacturer auxiliary control emissions control Read full answer. Oct 13, 2012 • Cars & Trucks. 1 helpful. 1 answer. Code p1407 manufacturer controlled auxiliary emission controls malfunction is coming up.2002 Jeep G Cherokee with an LDP. switch code # XXXXX What is the LPD. switch where is it and what is the recommended repair. Submitted: 13 years ago. Category: Jeep. Show More. Show Less. Ask Your Own Jeep Question. Share this conversation. Answered in 4 minutes by: 6/21/2010.Code: P1494 Make: JEEP Description: P1494 JEEP EVAP Leak Detection Pump Pressure Switch Condition Possible causes: – Faulty Leak Detection Pump (LDP) – Leak …Jeep grand cherokee p0155 code p1494 For the P0155 code, check the fuse for the O2 heater circuit. The P1494 has to do with the EVAP leak detection pump pressure switch.Officially Licensed Jeep Rocker Guards with Steps and Jeep Logo (97-06 Jeep Wrangler TJ, Excluding Unlimited) $419.99. (14) Officially Licensed Jeep Adventure HD Bumper with Jeep Logo (87-06 Jeep Wrangler YJ & TJ) $459.99. Officially Licensed Jeep Double Tubular Front Bumper with Classic Over-Rider Hoop and Jeep Logo; Textured Black (87-06 Jeep ...Specifically, p1494 jeep refers to a Leak Detection Pump (LDP) issue that manifests as a switch or mechanical fault within your Jeep vehicle. Shedding light upon what triggers this error, examining the symptomatic indicators, and offering step-by-step, easy-to-follow solutions to fix the problem, this piece is a handy guide for dealing with your …P1494 Jeep: Leak detection pump pressure switch or mechanical fault U either have a leaking fuel system or the pressure sensor at the gas tank is defective, I would replace the pressure sensor 1st. Read full answer. Jul 02, 2009 • 2000 Jeep Cherokee. 8 helpful. 1 answer.Thanks. I had a P1494 code a few days ago on my 2003 Rubicon. After some inspection I found a 1/4" rubber elbow cracked that connects a line coming from the back of the vehicle, probably from the gas tank or the evaporator canister, I dont know, to the intake manifold. After replaced it everything it's ok now. It's a $6 part and easy to replace.Top 30 JEEP OBDII Engine Codes. P0455 Jeep 📷 164,345 Views. EVAP System Large Leak. P0300 Jeep 145,915 Views. Cylinder Misfire Fault Detected Random Cylinders. P0700 Jeep 136,132 Views. Transaxle Control System Malfunction. P0420 Jeep 📷 132,648 Views. Catalyst System Efficiency Bank 1.1999 jeep cherokee. runs ok for about 40 minutes as long as no stop and go, then suddenly feels like its running out of gas. check engine light on. trouble codes p0353 p0352 p0351 91391 p1494 changed …I put a code reader on my 1998 Cherokee 6 cyl and got code P1694. The vehicle will not start. According to the thread that you literally quoted word for word, its the cps. 2001 XJ: 4" lift (MetalCloak CAs, Tuff Country coils, IRO aal), 31x10.50r15 Cooper STT Pros, TruTrac 4.10 front, Spartan locked 4.10 rear, SYE, custom gas tank skid, Durango ...When I tried to start it again it finally turned over but felt a bit sluggish while I was driving. I just replaced the fuel pump a month and a half ago. This is the 5 time I have replaced the fuel pump in the 4 years I have owned it. The codes that are popping up are P0463, P1494, and P1282. I can fix it myself but I need to know how. Please help.Read Also: How To Troubleshoot & Fix p1494 Jeep DTC Code? #4- Reprogram the Powertrain Control Module. The DTC or the Diagnostic Trouble Code can be set on the ambient temperature conditions of the jeep even when you have used the correct type of fluid with the correct fluid viscosity.What Does Jeep Grand Cherokee Code P0303 Mean? Jeep Grand Cherokee P0303 definition: Cylinder 3 misfire detected. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Diagnosis: A cylinder 3 misfire can be caused by anything from faulty […]P1494 on 2003 jeep liberty. that code is manufacturer auxiliary control emissions control Read full answer. Oct 13, 2012 • Cars & Trucks. 1 helpful. 1 answer. Code p1407 manufacturer controlled auxiliary emission controls malfunction is coming up.jeep grand cherokee 4.7 liter. Have replaced Throttle position sensor, the MAT sensor, the crankshaft and Camshaft position sensor. also replaced the coil pack for number 8 and replaced alll plugs. My question is is there any change in things when I disconnect the MAP sensor from when it is installed. I am getting no change.allobd2. 1207 Answers. SOURCE: I have a 2003 jeep liberty limited edition. The check engine light came on. I took it to have a diagnostic and came back with 2 codes P1294 and P1494. P1294 Injector High Side Open - Bank 2/Target idle not reached. P1494 SPCUT Solenoid Circuit Malfunction. --------. NEXIQ 125032.SOURCE: 2001 jeep cherokee has a p1494 code and a p0301. 0301 is cyclinder 1 miss fire,check coil pack and spark plug,plug first,1494 is the fan relay,It's in the right front of the engine compartment. Kind of behind and below the RF headlamp and in front of and below the fuse box. Easy to replace, just unplug it and plug the new one in.Labor: 1.0. The cost to diagnose the P1294 Jeep code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.Apr 12, 2008 · 1 2 SilverXJ · #2 · Apr 12, 2008 The P1494 code is in fact the leak detection pump. Its the little round thing near a green valve cover on the passenger fire wall. The FSM doesn't give me any more information on testing other than to replace it. 00xj54 Discussion starter · #3 · Apr 12, 2008 Back to the top 00' XJ Sport. 4.0 I6. Enjoy banner ad-free browsing with Jeep Wrangler Forum Plus. Learn more. Ask a question. Ask. Ask a question. Answers will be sent directly to your email. Ask Cancel. Jeep Wrangler Forum. A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, performance, trail riding, gear, suspension ...Mar 26, 2022 · three_jeeps · #3 · Mar 26, 2022. MountainAME said: P1489 and P1490 codes for the high and low speed fan control relay circuit malfunction. The relays for the 2004 are in the fuse box under the hood. IDK, but I doubt the codes would prevent the vehicle from starting. Seems odd that both relays have a fault. 2001 jeep cherokee has a p1494 code and a p0301 code seems to be running fine but want pass emissions. 0301 is cyclinder 1 miss fire,check coil pack and spark plug,plug first,1494 is the fan relay,It's in the right front of the engine compartment. Kind of behind and below the RF headlamp and in front of and below the fuse box.What is the Cost to Diagnose the Code P1494 Chrysler? Labor: 1.0. The cost to diagnose the P1494 Chrysler code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.three_jeeps · #3 · Mar 26, 2022. MountainAME said: P1489 and P1490 codes for the high and low speed fan control relay circuit malfunction. The relays for the 2004 are in the fuse box under the hood. IDK, but I doubt the codes would prevent the vehicle from starting. Seems odd that both relays have a fault.I put a code reader on my 1998 Cherokee 6 cyl and got code P1694. The vehicle will not start. According to the thread that you literally quoted word for word, its the cps. 2001 XJ: 4" lift (MetalCloak CAs, Tuff Country coils, IRO aal), 31x10.50r15 Cooper STT Pros, TruTrac 4.10 front, Spartan locked 4.10 rear, SYE, custom gas tank skid, Durango ...P1494 Jeep EVAP Leak Detection Pump Pressure Switch Condition. Read full answer. Feb 17, 2018 • Jeep Grand Cherokee Cars & Trucks. 4 helpful. 1 answer. 2000 jeep grand cherokee refrigerant capacity (R134a), any common leak points, O-rings etc. Capacity is aprrox 1.75 lbs with proper gauge (28 ozs).I have a 2002 wrangler sport 4.0 and the check engine light recently came on. I don't want to pay $70 at a stealership so they can tell me what is wrong with it. Is there a way to check the check engine light code from the dash board. I thought I read something about pushing in the trip odometer button holding it, and it would read it out.A. GTPDrew · #2 · Jan 2, 2015. ar123 said: P1494 - LEAK DETECTION PUMP SW OR MECH FAULT. There are many codes for the Evap System but that one specifically denotes Pump SW or Mechanical fault. This Fault is reported when the PCM detected the leak detection pump switch did not change after the solenoid was energized.1999 Jeep Grand Cherokee 4.0L with P1494 code, how to repair? asked May 9, 2017 by anonymous. jeep; grand-cherokee; p1494; 0 votes. 1 answer 371 views.About the Index table - The Index table below lists every TSB issued for the Grand Cherokee WJ series, starting with the first bulletin issued in 1998 for the 1999 model year to the most current releases in 2004. Bulletins listed in Gray text represent those that have been superseded, and feature a link to the revised issue. Bulletins are listed in Group order, and within the Group by issue ...According to the factory service info the P1494 can be cause by: "low vacuum supply" to the LDP "LDP switch sense circuit shorted to ground" "LDP switch sense circuit open" "Faulty LDP" "Wiring harness intermittent" "Powertrain Control Module" "When monitored: Immediately after a cold start, with battery/ambient air temp between 40 degrees and ...I have a 1997 Jeep Wrangler 4.0L with engine code P1494, but the EVAP is OK. Vehicle: 1997 Jeep Wrangler 4.0L jeep; wrangler; p1494; 1 Answer. 0 votes . answered Apr 14, 2016 by Carguy1 (12.6k points) HI there, Not sure what you mean by "evap ok" This code is for the leak detection pump function. ...A detailed description of how to remove and replace a crankshaft position sensor for all Jeep 4.0 engines. In most cases, a P0320 code is the result of a bad...SOURCE: what is code 1494 mean for 2001 dodge neon P1494 Leak Detection Pump Switch or Mechanical Fault Part of the early evaporative emission system. (Fuel tank fumes) It's there to allow the computer to run an integrity test of the fuel tank, lines and carbon canister's ability to contain all of the fumes coming from the tank and all line associated with the system.That code is for the leak detection pump, (evap) and there is a bulletin which states to check for any kinked hoses in the system. NUMBER: 18-01-00. DISCUSSION: SYMPTOM. P1494 - LEAK DETECTION PUMP SWITCH OR MECHANICAL FAULT. DTC not equal to freeze frame DTC. Wiring harness intermittent problem.May 2, 2018 · Chrysler has an error code P1494. This is a code that is thrown up when the Leak Detection Pump can not do the job it is intended for, which is keeping our ... 155 Answers. P1494 is the code for the leak detection pump and or system, which is part of the early evaporative emission system. It's there to allow the computer to run an integrity test of the fuel tank, lines and carbon canister's ability to contain all of the fumes coming from the tank and all line associated with the system.. dodge dakota Trouble Code P1494Disclaimer:This video is not Jeep Mechanic: Ron Z., - Jeep Tech - replied 2001 jeep cherokee has a p1494 code and a p0301 code seems to be running fine but want pass emissions 0301 is cyclinder 1 miss fire,check coil pack and spark plug,plug first,1494 is the fan relay,It's in the right front of the engine compartment.What does the code P1494 means on my 99 jeep grand cherokee. LEAK DETECTION PUMP SYSTEMS (P1494, P0442, P0455, P0456), Read full answer. Jun 10, 2010 • 2001 Jeep Grand Cherokee. 1 helpful. 1 answer. Settimng codes p1494 & p1698 -what is this? 1997 voyager. Labor: 1.0. The cost to diagnose the P1492 Jeep code is 1. Jeep Mechanic: Ron Z., - Jeep Tech - replied 3 years ago Thanks for holding, Bruce. The P1494 is a fairly straight forward code pointing to a problem with the Leak Detection Pump.check engine light on code P1494 Gas cap or leak detection pump? - Dodge 2000 Dakota Quad Cab question. Search Fixya. Browse Categories Answer Questions . 2000 Dodge Dakota Quad Cab; Dodge Dakota Car and Truck; Dodge Car and Truck; Cars & Trucks; All Recent; Join; Sign In; Ask a Question ... P1494 code is a leak detection pump switch or mechanical fault, leak...

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