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jp5162

02-28-2005 10:49 PM

2002 ZR2 Blazer Hesitation Problem

Vehicle has a good hesitation between 1500 and 2000 rpms only. Otherwise, runs fine. Fuel filter, spark plugs, air filter have been changed. Vehicle has only 40,000 miles on it. Any suggestions for this repair would be highly appreciated.

benzodogg

03-01-2005 06:55 PM

RE: 2002 ZR2 Blazer Hesitation Problem

check mass air flow sensor, and trans fluid

jp5162

03-01-2005 09:38 PM

RE: 2002 ZR2 Blazer Hesitation Problem

Wouldn't mass air flow sensor throw a code? Why would this cause it at only these rpms, wouldn't it happen constantly? As for transmission fluid - fluid is full - why would fluid do it as these rpms only anyway?

zero psi

03-01-2005 10:11 PM

RE: 2002 ZR2 Blazer Hesitation Problem

check for corrosion on the terminals on the coil pack, or the wires may be bad.

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