Question about 1992 Suzuki Sidekick

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Idles too low

When the engine is hot the idle drops to around 200 RPM then goes up to around 1000 and then back. Some times it stops. It is better if I have the fan and the air con on.
I have tried new plugs.
The calalitic converter was removed some time ago and recently the sensor wire was earthed to remove the alarm light on the dashboard. The problen seems to have started after this was done.
If this is the problem where would I look for this wire?

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  • ngaireross Feb 20, 2009

    This is an Escudo with fuel injection.

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Rough idling commonly comes from defective components of the electronic fuel injection system. You may start with fine tune adjustment of the idling speed using the idling speed adjustment port just above the TP sensor. If it will not help, try loosening the bolt of TP sensor, change the mounting angle and observe for any improvement. If doing this will not work, replace the TP sensor. If still the problem is present try cleaning or replacing the idle air control valve. The one with hose connection to the air intake pipe. If still it will not work, try replacing the MAF sensor just after the air filter. The last thing you may do if all of the things above will fail, have someone check your ECM.

Cleaning the PCV (positive crankcase ventilation) valve may help too. Why not start with this activity.

Posted on May 11, 2009

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http://technoanswers.blogspot.com/2012/12/ford-expedition-iac-valve-replacing.html

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Stumbling and stalling at idle after engine rebuild?

http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html

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1999 Ford F-150 Idles rough and quits when gas pedal is pressed less?

http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html

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http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html

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-----------


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http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

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Idle flair is noticed on car? Rough idle? car will not idle? Erratic idle speed?

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Vehicle stumbling at idle and shows code 54?

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Rough idle, staling and Erratic shifting?

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Click the link below:-----

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------------------

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http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

----------

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http://technoanswers.blogspot.in/2012/03/rough-idlestaling-and-erratic-shifting.html

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