Question about 2004 Jeep Grand Cherokee

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Got a p1495 code on my 04 grand cherokee overland 4.7l h.o. has something to do with leak detection valve wiring??? where is this valve located any info about this sytem would be great

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  • way_2_ht Sep 28, 2009

    thanks got it figured out found the leak detection pump behind the ds rear wheel conections on pump rotted off and badly corroded now need to see where and how much they are but thanks for the info

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Usually it is behind the driver side head light but this code usually means either the gas cap is bad or just left off or loose

Posted on Sep 27, 2009

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I n my 04 Jeep Cherokee I replaced the bank1sensor1. But now I'm getting code P0442. That's an evap leak. Would my sensor i replaced with a Mopar sensor cause that to code?Did I buy the wrong sensor?


code p 0442 refers to the EVAP system--small leak detected or large leak detected === causes --hose connections , --intake leak---EVAP canister---EVAP purge valve ---mechanical fault ( cap loose or not fitted properly)hose connections ---EVAP pressure sensor
I cannot see any connection between what you did and the fault code---

Nov 13, 2015 | Jeep Cars & Trucks

1 Answer

3.3l engine. What are the probable causes of DTC P1495?


answer courtesy of engine codes .com Engine-Codes OBDII Code List P1495 Dodge
P1495 Dodge P1495 Dodge - EVAP Leak Detection Pump Solenoid Circuit Condition 3 ' Add Comment Possible causes
- Faulty Leak Detection Pump (LDP)
- Leak Detection Pump (LDP) harness is open or shorted
- Leak Detection Pump (LDP) poor electrical connection
What does this mean? When is the code detected?
Malfunction is detected when the Powertrain Control Module (PCM) detected the pump solenoid did not change status when activated,
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Possible a noticeable fuel odor caused by the release of fuel vapors
P1495 Dodge Description
The Evaporative emissions system is design 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.
During the self-diagnostics, the Powertrain Control Module (PCM) first checks the Leak Detection Pump (LDP) for electrical and mechanical faults. If the first checks pass, the PCM then uses the LDP to seal the vent valve and pump air into the system to pressurize it. If a leak is present, the PCM will continue pumping the LDP to replace the air that leaks out. The PCM determines the size of the leak based on how fast/long it must pump the LDP as it tries to maintain pressure in the system.

Read more: http://engine-codes.com/p1495_dodge.html#ixzz3iQ8P3JII P1495 Dodge EVAP Leak Detection Pump Solenoid Circuit Condition

Aug 10, 2015 | Dodge Caravan Cars & Trucks

1 Answer

I have to error code with my jeep grand Cherokee Laredo 1999 the code are 1491,1495,753,136


P1491 Rad Fan Control Relay Circuit An open or shorted condition detected in the radiator fan control relay control circuit. This includes PWM solid state relays.P1495 Leak Detection Pump Solenoid Circuit An open or shorted condition detected in the Leak Detection Pump (LDP) solenoid circuit.P0753 (M) Trans 3-4 Shift Sol/Trans Relay Circuits An open or shorted condition detected in the overdrive solenoid control circuit or Trans Relay Circuit in JTEC RE transmissions. Was MIL code 45. P0753 (M) Trans 3-4 Shift Sol/Trans Relay Circuits An open or shorted condition detected in the transmission 2-4 shift solenoid circuit (4-speed auto. trans. only).P0136 (M) 1/2 O2 Sensor Heater Circuit Malfunction Oxygen sensor heater element malfunction.

Aside from getting into an accident and having your wiring harness severely damaged, the other likely suspect is your PCM. These codes are not related to each other and indicate a much larger problem.

Nov 02, 2013 | 1999 Jeep Grand Cherokee

1 Answer

Check engine light


P1495 indicates a Leak Detection Pump Solenoid Circuit error. The Leak Detection system is located under the hood on the driver's side inner fender. The solenoid is located under or behind the leak detection pump. This system works in conjunction with the EVAP system, and one of the most common error causes is a loose or non-airtight gas cap. Try tightening or replacing your gas cap and see if the code disappears after a normal driving cycle (about 50 miles). Good luck.

Sep 30, 2013 | 2004 Jeep Grand Cherokee

1 Answer

I have a dodge grand caravan 96 itruns but wen i stop it just trowes masfires and i run the machine gave me code p1495 i think is a sensor but dont noe were it is


code P1495 leak detection pump solenoid circuit malfunction. the leak detection pump located underneath the vechicle right behind lower left corner of the engine compartment.

Oct 05, 2012 | Cars & Trucks

1 Answer

Where is the location of code p1495 leak detection pump solenoid circuit


The Solenoid circuit is part of Emission control.To get more info i suggest you to check the two help links given below:---Click the link below:----How to replace Leak detection pump solenoid circuit?
http://repairhelpcenter.blogspot.in/2012/05/leak-detection-pump-solenoid-circuit.html
-----------------P1495 Leak Detection Pump Solenoid Circuit?
http://howtobyme.blogspot.in/2012/05/p1495-leak-detection-pump-solenoid.html

-----------------
This will help.
Thanks.

May 31, 2012 | Chrysler Cars & Trucks

1 Answer

2000 dodge stratus p1495 code problem


Check your connections on your leak detection pump and vacuum hose to the engine. You will need a scanner to do a wiggle test on the wiring harness this is a common problem.

The code is telling you that you have a problem with the pump.

DTC P1495 - LEAK DETECTION PUMP SOLENOID CIRCUIT
WHEN MONITORED Ignition on and battery voltage greater than 10.4 volts .
SET CONDITION The state of the solenoid circuit does not change.

POSSIBLE CAUSES: Fused ignition switch output circuit open
Leak detection pump defective LDP solenoid circuit wiring harness observable def LDP solenoid ckt wiring harness intermittent def LDP solenoid control circuit short to ground Leak detection pump solenoid control circuit open Powertrain control module defective

Hope helps.

Apr 16, 2012 | Cars & Trucks

1 Answer

2002 grand cherokee, overland 4,7L engine doesnt


Hi Joko,

What you are describing is a failure of a main circuit. The first thing you should check is yo make sure that your battery is in good condition and that the cables are clean and tight. Let me know if yu find anything wrong there. Then there may be another main circuit problem. Check all of the fuses in your fuse block in the engine compartment. If any of these fuses are blown, it will usually cause several things to not work. If you find any fuses blown, DON'T REPLACE IT YET. Let me know WHICH fuse is blown and I can help you find out why it blew so you can get the problem fixed.

Get back to me on this and we will continue.

-Dave (dttech)

Nov 17, 2011 | 2002 Jeep Grand Cherokee

1 Answer

Trouble code p1494 p1495


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

Apr 24, 2011 | 2002 Chrysler PT Cruiser

2 Answers

I have a dodge caravan, it idles slow when stops, it runs very well but when I stop it hesitates, the code indicates p1495


P1495 Leak detection pump solenoid circuit fault (open or short). It is located under the engine cradle near the steering rack and pinion. Check it's wiring. It detects EVAP system leaks.

Oct 26, 2009 | 1996 Dodge Caravan

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