Question about 2001 Chevrolet Blazer
The RPMS will go from 1500 to 2000 and back in one fast jump. Sounds like its misfiring and running rough. Just finished a timing change on it while the original problem was the fuel regulator came undone.
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Posted on Jan 02, 2017
If you cant connect to the PCU I would start there, check every single fuse, and grounds for the computer, If they are all good test with a know good computer!
Posted on Apr 09, 2009
SOURCE: 1997 chevy truck running rough
97 chevy 1500 4x4 replaces plugs wires cap rotor dist pick up and crank sensor truck run good when cold as soon it heats up and comes to stop it feels like it boggs down runs rough and stalls any idea what to do?
Posted on Nov 04, 2009
these were bad for the spider injectors to fail. they are hard to diagnose with out the scan tool. the poppets in the end of the injectors get clogged and will need to be replaced. pull the plug and see if its oil fouled. they also have a problem with the #1 cyl getting out of round and oil fouling the plug. compare it to another plug in the engine. if its oil fouled the engine is no good.
Posted on Nov 07, 2009
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