Question about 2000 Chevrolet Blazer

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2000 Chevrolet Blazer - Transmission??

At around the 1500 RPM mark, the truck will 'stutter'. I can watch the tach and it matches what I'm feeling. It will instantly jump around by about 200-500 RPM. It happens much worse, like I said, around 1500 RPM / 50MPH. No problems going from gear to gear manually (tranny is an auto). Replaced the PCV valve and fixed a vacuum leak. Doesn't seem to happen too badly at highway speeds or backroad speeds. Generally no problems idleing although it did die on me a couple of times but not recently. The problem varies in intensity...some days no problem at all and some days it will beat you to death. No leaks that I can see.

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You need to check your ignition system it seems like you have a coil or module or crank sensor breaking down you should see if you have any stored codes good luck

Posted on Feb 10, 2009

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