Check engine light is on in 2002 jeep liberty? Evaporation leak? how much does this cost to fix it? and where would i even start? i seen so much things saying GAS CAP, OR SOMETHING TO DO WITH HOSES, AND SOMETHING TO DO WITH AIR CONDITIONG? I WANT TO KNOW BEFORE I PURCHASE THIS VEHICLE!??? SOMEBODY PLEASE HELP!
You can fix it very much yourself. Just get an online manual here for like 10-15$ and you need no mechanic.
It's one of those manuals people get nowadays to do it yourself.. My nephew use it to repair my car and it's totally repaired now. Here's the website he bought it from. 2002 jeep liberty Very good website
SOURCE: Check Engine Light - Code numbers P1486 & P0455
Found on my jeep that the high quality vac line to the evap bottle had split on the under side.
SOURCE: 2002 jeep liberty
I found that the hoses for the Evap. system near the gas tank had split on the ends and was causing a leak.
SOURCE: check engine light code PO456
most likely the pressure sensor in the fuel tank for the evap system is defective.
SOURCE: 03 Jeep Liberty - Evap system small leak
how about the filler neck. just had to replace mine and now its fine
SOURCE: Gas Gauge Problems
You will have to get the error code before the engine light goes back off. You can do this by inserting the key into the ignition, then turning the key key to the on position three times with in 5 seconds. Remember this is the on position no the start position. Once you have done this the odometer will show the error codes briefly. They will look like this "P0202, P1225, P1400. Make sure you write them down because they can go pretty quickly. Once you have the codes go to the link listed below. It will give you a brief description of what the codes mean. If you need any thing else just let me know and I'll try to help.
The first link will have jeep specific codes, the second will be codes generic to all manufacturers. Just scroll down until you see the code listings.
Good luck.
http://www.obd-codes.com/trouble_codes/dodge/
http://www.obd-codes.com/trouble_codes/
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