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- - Hesitation (https://blazerforum.com/forum/general-tech-help-7/hesitation-6241/)

Nemo	10-26-2006 12:52 AM

Hesitation

I have a 2000 Blazer 2dr. 4X4 5-speed with 75,000 miles on it. When I am at a comstant RPM while driving every once in a whil I will get a moderate hesitation. I have also noticed it during steady acceleration too. Replaced MAP sensor, fuel filter, cap & rotor, plugs, wires, cleaned throttle body. I noticed it about a month or two after I installed a K&N cold air intake on it. Looking for any help I can get

20Blazer00

10-26-2006 03:22 AM

RE: Hesitation

Clean your MAF, if the K&N had excess oil then the MAF will get coated with not only the air cleaner oil but dust and dirt to....primary cause of these symptoms.

Chevy Lover

10-26-2006 04:03 AM

RE: Hesitation

you might want to check that the EGR valve is clean also.

Brian J. Lesko

10-26-2006 11:24 PM

RE: Hesitation

Could be a EGR valve sticking as stated by Chevy Lover. Remove it and give it a good cleaning. You may want to try some SeaFoam too.

Hanr3

10-27-2006 01:40 AM

RE: Hesitation

Replace your fuel filter.

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