Try cleaning the throttle body and throttle plate. Next is the idle air control passage, pintle and seat. If all that fails, look for vacuum leaks which can be crucial at idle where fuel is light and any leak will cause a lean mixture and stalling, especially with AC on and the vehicle in drive usually.
The idle air control valve (IAC) is designed to increase the idle speed when the AC compressor kicks in to prevent the engine from slowing to stall RPM. It also keeps the engine from run-on or dieseling when the car is shut off.
SOURCE: 2003 jeep liberty air bag light on is it easy to fix
The system needs to be checked for cades. Airbag codes are pulled out
of the ECU with the use of a scanner tool. A good auto mechanic shop
will have this or you can go to the dealer. YOU SHOULD NOT TRY TO
REPAIR THIS YOURSELF,YOU COULD ACTIVATE THE AIRBAG!!!!!
SOURCE: unable to remove key from ignition
shift interlock cable may be out adjustment or broken..you have to fcenter floor console around shifter..disconnect cable and move manually and see if key will come out..check cable attachment at shifter..there is an adjustment on this cable..pull up on lock on cable at shifter
SOURCE: jeep liberty 2007, window regulator died. What is
take off door panel and tap with a small hammer
SOURCE: my 2003 jeep liberty's air conditioner blows hot
Probably, to be sure make sure the compressor is coming on. With the engine running turn on the ac and watch the rpms, they should drop for a second if the compressor is coming on. If so you just need to recharge, the refrigerant is R-134a, which you can get from your local parts store along with the kit needed to charge it. The kit will come with detailed instructions and is a pretty easy job.
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