When I take off on my tahoe it fills like its misfiring why? on 2001 Chevrolet Tahoe

there is no check engine light on and I just change spark plugs and wires fuel filter but still does it also checked Cadillac converters but look normal. can it be fuel pressure or the coils ot something else also cleaned the throttle body intake

by in Potwin, KS on April 29, 2013
2 answers
ANSWER by on April 30, 2013
Suspect coil since it just does it under a load, (taking off), need a scan test to see which one is failing. Good scanner and mechanic can find out for you, even without the light on!
ANSWER by on April 30, 2013
COILS WOULD CAUSE A STUMBLE AT LOAD