94 Silverado looses power when tramping ges pedal to the floor

Asked by Dec 29, 2012 at 02:45 AM about the 1994 Chevrolet C/K 1500 Sport Stepside 4WD

Question type: Maintenance & Repair

94 Silverado, 5.7 - 350, Starts up fine, idles fine, revs fine in park. Put it in drive and give it gas and it looses power and spits & sputters. It ides a bit rough while sitting there with it in drive. All fluids are full and seem to be the correct color. Just had exhaust manifold replaced on pasenger side. New plugs, wires, & cap 2 years ago. Suggestions ??

6 Answers


Check your fuel system.

2 yrs is a bit of time. dont know what you bought for plug wires, but i would check them. easy fix if thats the issue.


Fuel pump

1 of 1 people found this helpful.

change the fuel filter too ; it is a cheap fix.

1 of 1 people found this helpful.

Check fuel filter or just change your spark plugs with wires & does it shoot black smoke when you rev it ?

Ground cable rotted off between firewall and frame on my 94 K1500. Factory braided ground cable is thin, only about 3/8 inch wide..replaced with better braided ground cable.

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