Z71 Bogs?

By bigblock79
February 22, 2011 in 1999-2013 Silverado 1500 & Sierra 1500

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bigblock79

Posted February 22, 2011

1997 gmc z71 350 engine, just replaced fuel pump and it didnt fix it... bogs down while accelerating... any ideas?

AirForceAngler

Posted February 22, 2011

Fuel Filter?

FarmerDave

Posted February 22, 2011

Plugs?

bluegrassZ71

Posted February 23, 2011

+1 for the fuel filter

I had a '96 Blazer that suddenly wouldn't go over 55 mph and would lose speed on hills...even with the pedal on the floor. I changed the fuel filter and the problem was gone.

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