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Porsche-O-Phile Porsche-O-Phile is offline
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Join Date: Feb 2004
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The good news is it sounds like nothing mechanical - so a lot of really tedious & expensive repairs are out as a cause.

This leaves the basics - air, fuel, and spark.

Is it possible that you have an intermittant air supply blockage? Unlikely.

Fuel - it sounds like possibly an intermittant fuel starvation problem could cause this - check for pinched lines, clogged lines, bad filter, bad fuel pump, etc.

Spark - could be loose coil wire, or possibly the computer control (DME) or its relay, like AFJ said. Start with those things and take it from there.
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Old 06-10-2004, 11:41 AM
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