Question about 2002 Suzuki XL-7

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Idle problem 2002 zuzuki xl7 will not idle after changing battery help

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  • msmart1957 Mar 25, 2009

    I've had the same problem. After going through 10 to 20 crank cycles the part of the internal computer will reset and the motor will idle fine. If it doesn't you may have some other problem.



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If the car starts after charging but will not idle, I would suspect the alternator is defective. The alternator is fitted with a diode pack (all to do with the electrics, valve bocking AC but allowing DC to pass) this is the the part that fails.
It allows a correct current to pass to the battery (DC only)
If the car starts after charging and runs for a few miles before stopping and the evidence is a dead battery - It will definately be the alternator.
Hope this helps

Posted on Oct 20, 2008

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Like all modern engine your car has the ability to learn idle strategy, that is to say the idle adapts for your driving habits and also problems that occur in the idle speed control system, the big problem is when the battery is dead or disconnected all this learned info is lost, here is what you need to do, a cleaning of the intake throttle blade and the idle speed control airbypass valve, they get ful of gunk over the miles and cause idle issues (stalls) like yours,
Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Posted on Oct 20, 2008

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Cleaned my battery posts on my 2002 xl7 and it wold not idle. Just needed to drive around for a few minutes to relearn the idle for the computer. Everything is fine after that. Didn't have to clean anything.

Posted on Oct 07, 2014

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What other problem could it be

Posted on Feb 20, 2011

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Posted on Jan 02, 2017

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