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The P1757 code will set if the monitored Governor Pressure is greater than 41.4 kPa (6 psi) for 5 seconds while the gear selector is in the Drive position with the road speed equal to zero - six times during a drive cycle. The transmission oil temperature must be between 23 - 88° C (73 - 190° F). Search for P1757 Jeep Questions and Answers ...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 ...105 Answers. 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 ...First make sure that when you gas up the car, when you go and put on the fuel cap, that it is on there tight and make it click a couple of times. Check the seal on the gas cap and make sure it's not dried up and cracked, if so replace. The other thing could be a bad pressure switch or a bad leak detection pressure pump. Posted on Sep 03, 2011.Aug 2, 2010 · 2004 Wrangler Unlimited throws P1494 on starting. When the Jeep is cold it throws a pending P1494 code immediately. I then shut off the engine, key on , clear the code, start the engine and check for the pending code, and it is back. If I let the readiness test complete the check engine light comes on with the p1494. 2000 cherokee sport,codes po300,po302,po303,po304,p1494. - Answered by a verified Jeep Mechanic. ... The jeep with misfire issuse they changed out fuel pump mopar Brand they said due high pressure 60 psi they change it out I pick the car up drove it 12 miles check engine lights back on running real r ...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.OBD II fault code P1494 is a manufacturer specific code that is defined by car makers Chrysler, Dodge, Jeep, and Plymouth as “EVAP Leak Detection Pump Pressure Switch Condition”, or sometimes as “Leak Detection Pump SW or Mechanical Fault”, or less often as “Mechanical Incorrect input state detected for the Leak Detection Fault Pump [LDP] Pressu...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.If you’re planning a trip to explore the breathtaking beauty of the great outdoors, there’s no better way to do it than with Pink Jeep Tours. One of the easiest and most effective ways to score a discount on Pink Jeep Tours is by taking adv...Produced from 1997-2006, many consider the Jeep Wrangler TJ to be the last true Wrangler. I started Jeep Wrangler TJ Forum to serve as a resource for TJ owners around the world. Here you'll find a treasure trove of knowledge amongst some of the most knowledgable minds in the TJ community.1999 jeep cherokee. just bought it. was idling low and check engine light came on today. shows code p1494. research shows it could be Leak Detection Pump Sw or Mechanical Fault. I am debating on wheth … read moreModern versions of the Jeep include the Grand Cherokee, Wrangler, Compass, Patriot and Renegade. There have been many different model types of Jeep produced since its invention during World War II.2003 Jeep Liberty P1495 followed by P1682. Out of the blue on the way home from work, the check engine light (CEL) came on. Jeep didn't sound or run any differently. Of course it is state inspection time so I have to get it taken care of. Got home and checked the engine code and it was a P1495 (problem with the leak detection pump solenoid ...2002 Jeep Wrangler Sahara 6 Cyl 4.0L TJ Canada models. Product Details. Series : Standard OE Replacement Recommended Use : OE Replacement Includes : Bracket, foam pad. See All Products Details. Holley®. Die Cast EFI Fuel Pressure Regulator, 15-60 PSI, Black, Gas,... Part Number: H1912886. Universal Fit.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...No spark, no injector pulse, no fuel pump operation, no communication with the scan tool. The check engine light acts funny (doesn't come on right away with ...What is the Cost to Diagnose the Code P1495 Jeep? Labor: 1.0. The cost to diagnose the P1495 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.What is the Cost to Diagnose the Code P0149? Labor: 1.0. The cost to diagnose the P0149 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.2004 jeep grand Cherokee confirmed code p1495 - have reset code multiple times -new gas cap - replaced the purge valve - - Answered by a verified Jeep Mechanic ... This could result in the LDP reed switch being open when the key is turned to "ON" and a P1494 fault could be set because the PCM is expecting the reed switch to be closed. This is a ...P1494 code is a leak detection pump switch or mechanical fault, leak detection pump switch does not respond to input. The leak detection pump (if equipped) is located under the air filter housing on models through 2001. Check if the vapor and vacuum lines are securely connected to the leak detection pump or a diagonstic trouble code my be set ...El código de diagnóstico P1594 OBD2 se configura por uno de los siguientes motivos: Cables del alternador pudieran tener daños. Las conexiones del alternador puede que …P. pondroski Discussion starter · Dec 5, 2017. I have been trying to diagnose what is causing the code p1494 to appear. According to the technical procedure it states first to check for vacuum at the leak detection pump. When I start the engine should the vacuum reading be present or does it change as the engine warms up.Jul 01, 2014 • 1999 Jeep Grand Cherokee. 0 helpful. 1 answer. P1494 CODE CHRYSLER CONCORDE. P1494: Leak detection pump pressure switch or mechanical fault ... P1494 is a Leak Detection Pump Switch or Mechanical Fault. During evaporative system diagnosis, Leak Detection Pumps have mistakenly been replaced. ...2001 jeep cherokee has a p1494 code and a p0301 code seems to bP1494 Jeep EVAP Leak Detection Pump Pressure Switch C 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.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 ... answered Oct 23, 2017 by Carguy1 (12.6k points) Ban 4.75. (12) Quadratec Winch Ready Bull Bar Front Bumpers for 97-06 Jeep Wrangler TJ & Unlimited. In Stock. From $649.99. 4.60606. (33) More choices available. Quadratec QR3 Dual-Tube Rear Bumper for 87-06 Jeep Wrangler YJ, TJ & Unlimited.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 ... Code P1281 Meaning. P1281 is a Diagnostic Troubl

2002 WJ Ltd. 4.7 V8, QuadraDrive 1973 Mercury Cougar Xr7 convertible 351CJ, C6, 9" rear 1970 Kaiser-Jeep M35A2 W/OW 6x6 Multifuel D-Turbo. ΜΟΛΩΝ ΛΑΒΕ! Reply155 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.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 …Code P1391 for 2001 Jeep Grand Cherokee 4.0 engine. 4.0 Liter engine, automatic 4x4, have long crank before start, other codes set are P1494, P1282, P0340, P0351, Po352, P0353. Car has 206,500 miles on it, have owned since 60,000 miles, good maintenance, scan tool shows timing varing from 0 by -1 up to + 3.

Sep 27, 2014 · 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. 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).What is the Cost to Diagnose the Code P1594 Jeep? Labor: 1.0. The cost to diagnose the P1594 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.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. What Does P1494 Jeep Code Mean? P1494 is a DTC code that can a. Possible cause: P1494 Jeep: Leak detection pump pressure switch or mechanical fault U either have a lea.