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2005 Jeep Liberty Sport - Page 10 Questions & Answers
Trouble codes po441
po441 is a netural vapor pressure switch or better knowen as evap purge flow monitor . whats happing is you building to much pressure in fuel tan, with car jacked up in the rear look for a charcoal canister,a plastic box that looks like it has 2 chambers .with hoses going to fuel tank and a 2 wire plug see if its disconnected or hoses are cracked ,broken ,or leaking. good luck ,I really hope I answered your question .
Woody
I HAVE A NEW JEEP
Don't mess with it!!!!! Your new vehicle has a warranty. Get back to the dealer ASAP and don't take anything apart. You paid good money .... let them tear their hair out.....that's what they get paid for!!!!
CHANGED HEADLIGHT ASSEMBLY ON 2002 JEEP LIBERTY ONLY HIGH BEAM LIGHT COME ON
Try flicking the mulit-function switch high beam on and off. There has been known problems with this switch, but mostly the first place to start is with some new light bulbs.
Or possibly your low beam filaments are burnt out. You have to replace the bulbs. Each bulb has a lowbeam and a high beam filament.
Locked out car
A towing company can help you get in and some police will otherwise get a hanger...
2004 jeep liberty 42RLE tranmission only has 2nd and reverse yes the engine light is on and no avalablity code reader
no available code reader.?
you need to buy a car that has no PCM.
like 1987 or older xxxxx car...
you can not fix cars without a scanner. not today.
buy one, rent one, barrow one.
it seems your's is in limphome. mode.
get the FSM and read the trans chapter.
the 42RLE is electronicially shifted, the E on the end tells us that.
and has TCM. transmission control module.
The TCM , today is usually hiding deep inside the PCM .
The TCM can not shift (just like all computers) if the inputs are wrong
or the TCM discovers gross transmission slip.
if the Tranny slips. the out put shaft sensor never reaches.
the correct RPM (speed) and the TCM drops to limphome.
Limphome is a mode that allows some usage,
after all , its dead. the system that is.
as always, elect.
check all fuses (test them) (alldata.com tells you which ones) or the FSM.
then check level using the correct procedure, do not guess.
if you guess and overfill the tranny , you risk foam up and bearing starvation and (destruction)
THE FSM the factor service manuals on all cars have this chapter
called how to fix the tranny in car, or on car tranny service.
we read that and see many simple tests. we do them.
the first checks are SCAN TOOL.
then stall test.
then pump pressure tests.
we do that tests and gather all evidence we can , and then
do tests, totally based on those facts and the facts stated in the FSM
related directly to the DTC errors you are blind to.
there is no way to cheat this process. other that, get the car serviced.
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