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post #2 of (permalink) Old 02-10-2001, 02:04 PM
The_Sandman_454
 
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Re: Black inside exhaust pipe

<font face="Comic Sans MS">It sounds to me like a sensor is messing up occasionally causing the engine to run rich which is causing the carbon that is found in the exhaust pipe. [img]/wwwthreads_images/icons/crazy.gif[/img] My best guesses would be the O2 sensor or similar item, but it's weird that it only does it for a short time then goes back to normal. [img]/wwwthreads_images/icons/crazy.gif[/img] </font>

Tim "Sandman"

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