Question about 2001 Chevrolet Blazer
Fuel pump replaced,fuel filter replaced air filter replaced new spark plugs and a few other parts replaced was running good but now at about 30 mph it starts to blog out, help
Another possibility is a plugged cat, you can get a backpressure gauge pretty cheap,unscrew the o2 sensor before the cat, install the gauge,hold the throttle up to 2500 rpm, if the gauge stays above 2to3 psi, you probably have a plugged cat, you might get under the truck and hit the converter with your hand to see if it rattles.
Posted on Apr 02, 2015
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Posted on Jan 02, 2017
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