Question about 1998 Lexus Gs 300

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1998 GS300 MISFIRE AT 2000RPM

JUST HAD MY GS300 SERVICED NEW PLUGS ECT , CAR NOW MISFIRING DOWN THE AIRFILTER PIPE , SLIGHT SHUTTERING WHEN MOVING UP ALONG THE REVS AND AT 2000 RPM SLIGHT BANG
LEADS SEEM FINE SPARK OK ON ALL 6
THIS IS THE SECOND SET OF NEW TOYOTA PLUGS AND STILL DOING THE SAME
IF ANYONE CAN HELP PLEASE DO SO I CAN SORT MY CAR OUT AGAIN BACK TO NORMAL
THANKS !

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Check your wires and distributor. If all seem ok check timing and make sure the wires are in the right order.

Posted on Dec 23, 2008

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1 Answer

Engine is misfiring


There are few possibilities that can cause engine misfire issues. It can be issue with spark plugs or faulty spark plugs. Also get the compression test done for cylinders. If any of cylinder shows low compression then required, then that particular cylinder will cause misfire.

Also get obd codes scanned, the error code will let you know which cylinder is misfiring or all cylinders are misfiring.

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For your trouble shooting I suggest you to refer the help oinks below. It has step by step details for many engine misfire issues.

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Click the link below:-----


Ford Explorer Cylinder Misfire?

http://whoisbyme.blogspot.in/2012/06/ford-explorer-cylinder-misfire.html

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http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html

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http://technoanswers.blogspot.in/2012/02/oil-on-spark-plugs-and-car-misfires.html

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http://schematicsdiagram.blogspot.in/2012/02/can-cylinder-misfire-damage-catalytic.html

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This will help.

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Im assuming your asking about the ODB-II codes, this code,P0300 Random/Multiple Cylinder Misfire Detected.
A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0302 code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why.
Here are a few things that could be the cause.
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    This will help.

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