Blazer is missing or sputtering at speeds 65 mph or greater

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01-27-2009, 03:25 PM

dwaple303

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Join Date: Jan 2009

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dwaple303 is an unknown quantity at this point

Blazer is missing or sputtering at speeds 65 mph or greater

My blazer is missing while driving on the highway at speeds higher that 65 mph. Could this be fuel pump? I can sometimes stop this by driving 60 mph for several miles and then bumping speed up.
Seems to be worse on colder nights.

01-27-2009, 03:30 PM

swartlkk

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Join Date: May 2005

Location: Waterloo, NY

Posts: 41,064

RE: Blazer is missing or sputtering at speeds 65 mph or greater

When you accelerate, can you go WOT without troubles and is it only speed dependent, not engine RPM?

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