Question about 2002 Jeep Liberty

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Informatiion on erasing dcb2c codes 2002 Jeep Liberty code # P0442

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2003 Jeep Liberty- Reading Engine / Diagnostic Codes ...

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2003 Jeep Liberty- Reading Engine / Diagnostic Codes ..... error code will flash 2 times, brief pause, flash 1 time, pause, flash 5times, pause, ...

2005 Jeep Liberty possible cause of P0442 error. - YouTube

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OBD-II Trouble Code: P0305 Cylinder 5 Five Misfire Detected

www.obd-codes.com/p0305


Dec 08, 2015 | 2005 Jeep Liberty

2 Answers

P0455 and p0442


p0455-- emission control system ( a large leak ) the most common cause is a bad seal on fuel cap, remove and replace cap, if light stats on. replace cap. if not the cap it could be any where in emission system. p0442 is--same as above. Code p0442 indicates a fuel vapor leak in the EVAP control system. To fix this problem, remove and reinstall the gas cap. Clear the codes and drive to see if the codes reappear. If the code appears again replace the gas cap or inspect the system for cuts or holes in the tube or hose. good-day !

Aug 24, 2011 | 2002 Jeep Grand Cherokee

1 Answer

I have a P0320, P0455 and a P0442 code on my 2002 Jeep Liberty and I have no idea what this means.


This problem maybe caused by a split vacuum pipe or vacuum valve. Listen to the engine running (around intake manifold) and see if you can detect a loud hissing noise. Replace any pipes that are split or broken. Hope this helps...

Mar 05, 2011 | 2003 Jeep Liberty

1 Answer

2003 Jeep Liberty


p0455 is evap control system no purge or large leak
p0442 is evap control system leak detected (small leak)

the cause for both could actually be a loose gas cap.

Dec 18, 2009 | 2002 Jeep Grand Cherokee

1 Answer

Troubleshooting code # 0442 on 2002 Jeep Liberty


Im guessing its a P0442. That means:
EVAP LEAK MONITOR MEDIUM 0.040 LEAK DETECTED
Causes of this could be a few things.
I recommend replacing the gas cap. Then take it to an auto place to get them to erase the code.
If it comes back on then...
Under the hood is a small green cap. That is the EVAP line. Follow that all the way to the gas tank and see if you see any leaks. If you do, replace/repair it.
If you dont then the only thing you honestly can do is take it to a mechanic with an EVAP Emission Leak Detector [EELD]
Good Luck!!

Nov 02, 2009 | 2002 Jeep Liberty

2 Answers

I have trouble starting my 2002 Jeep Liberty plus I have error codes P0442 &P0455. What is wrong? and how can I fix.


PO442 & PO455 are for your evap system which has to do with monitoring your fuel tank and fuel vapor system this shouldn't affect starting at all.

Oct 11, 2009 | 2008 Land Rover Range Rover Sport

1 Answer

PO700 CODE ON 2002 JEEP LIBERTY


This code is simply telling you to checkfor transaxle codes. if they tell you that the TCM is bad . They are wrong. you need to get a special code for the transaxle. Sorry, but thats all the P0700 code means.

Nov 17, 2008 | 2002 Jeep Liberty

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