Question about 2003 Jeep Liberty

2 Answers

Jeep liberty codes

Po422

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Posted on Apr 26, 2015

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Possible causes
- Warm Up Three Way Catalytic converter deterioration or malfunction
- Exhaust system leaks
- Loose front or rear HO2Ss
- Faulty front heater O2 sensor
- O2 sensors harness is open or shorted
- O2 sensors poor electrical connection
Tech notes
As the code description implies the P0422 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem. If the P0422 code is combined with other codes, try fixing the other codes first.

Posted on Apr 26, 2015

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2 Answers

What is code p1941 for on 2003 jeep liberty


Diagnostic Test Code (DTC) P1941 is NOT a VALID code for a 2003 Jeep Liberty. Are you sure you are reading (and posting) the code correctly?

Also, when asking about DTCs it is really helpful to also mention which engine your vehicle is equipped with.

Aug 27, 2011 | 2003 Jeep Liberty

1 Answer

Whats the oil capacity for a 2003 jeep liberty?


2003 JEEP LIBERTY 2.4L 4-cyl Engine Code [
Engine Oil Grade 1....API* SAE 5W-30 is preferred.
CAPACITIES:
Engine, with filter..........4.7 liters

2003 JEEP LIBERTY 3.7L 6-cyl Engine Code

Engine Oil Grade 1......API* SAE 5W-30 is preferred.

CAPACITIES:
Engine, with filter..........4.7 liters

Thank you for using fixya and good luck

May 31, 2010 | 2003 Jeep Liberty

1 Answer

I have a 2006 jeep liberty and three lights are staying lit and


You need to take the jeep to a dealer or a good mechanic who can retreive the codes out of the computer. You may have a module problem but I will not guess without knowing the codes.

Feb 11, 2009 | 2006 Jeep Liberty

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