Question about 2002 Jeep Liberty

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My jeep libertys check engine light will come on and shortly after the battery light comes on. about 20 minutes of driving the engine will stall and the jeep will need a boost??

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  • Samuel Charles Spriggs Mar 17, 2011

    This is likely a problem with the charging system. A faulty alternator is the probable cause. Do you have a multimeter for checking the battery terminal voltage when the engine is running ?

    Charlie

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  • Jeep Master
  • 2,050 Answers

Sounds like your alternator is not charging your battery. Get it tested, you will destroy a battery if you don't get it fixed. (I think this is also your other problem's.)

Posted on Mar 17, 2011

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Posted on Jan 02, 2017

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1 Answer

2006 Jeep Liberty - While pulling boat the check engine light comes on and it begins to sputter and stall. After I remove the boat and drive it, the light goes off and no more sputter and stalling?


The check engine light will come on when the management computer detects a fault that can affect exhaust emissions. When that happens the computer switches to a get you home programme and records a fault code.

A code read is required to discover the fault which should then be verified by independent tests before wasting money chasing down blind alleys.

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Jeep liberty 03 .was driving and it just died. No fuel pressure. Changed the in tank fuel pump. Now its not pumping gas out of the tank. Checked the fuse and still no electricity to sending...


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Speedometer stopped working check engine light came on 20 miles later car stalled and broke down later started up got home next morning speedometer works check engine light still on help


The car could not sense the signal from the sensor that determines engine speed and went into shutdown and limpin. First step is to retrieve the Trouble code and determine what is wrong. Do not drive the car.

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1 Answer

Stalling when turn back on


all stalls end in CEL check engine light on. that is normal
but CEL glow. when engine running , means you had a failure, and it stored DTC error codes, so scan it.
lots of causes. huge list.
get a tune up , tops list.

SCAN it to be sure all sensors work. running.
all fuses in car good.
by stalls , i assume the engine stalls and engine RPM is 0 RPM.
the stall cause the whole dash to light up, all the warning lamps come
on (self test) oil , charge , CEL. come on.
what is important is the stall and the cause.

i will tell you the 3 ways.
lost electrical power to engine EFI system (seems not)
bad engine, (lost compression hot)?
bad spark , spark died.?
bad fueling, lost all fueling (starves and stalls or floods and misfires horribly and stalls (black spark plug tips are big time clue)

if non eof the rings a bell.?
get the car serviced.

this car is newer nicer car, you (we) can scan and drive and log data.
allowing faster easy diagnosis.

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Immobiliser fault, disconnect battery from poss terminal for 15 seconds, reconnect battery close hood and doors lock car with fob wait 20 seconds open car and start car.

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Check the temperature sensor feeding the ECU and O2 sensor.

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Your security system could have a problem, replace battery in keyless remote. If not helping you may have to take it somewhere and have security system checked

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Usually disconnecting the negative terminal for at lease 15 to 20 minutes should reset computer.

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