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Old 07-09-2004, 03:37 AM
shane83SD shane83SD is offline
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Join Date: Sep 2003
Location: S.F. Bayarea
Posts: 196
Check the spark plug. If the insulator is white and/or blistering (normal is light tan), the engine is running lean and hot.

Air duct leaking from air metering device to the intake manifold.
Leaking intake manifold gasket.
Throttle plate shaft leaking (loose).
etc., etc

Search the archive for leak detection techniques.
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