C1500

Asked by May 15, 2018 at 05:37 AM about the 1990 Chevrolet C/K 1500 Silverado RWD

Question type: Maintenance & Repair

I installed some full length headers on my 1990
c1500 350 5.7L . After the install I noticed loss of
power after a few weeks. Doesnt burn out like it
used too. I cant even do a donut anymore . Seems
like engine just revs up when attempting to do a
donut . Recently c1500 seems to die then come
back to normal when at a complete stop &
followed by a hard gas pedal press. Also forgot to
mention that there is a rattling that occurs only
when c1500 is moving . When c1500 is in park &
revved. Rattling does not occur. Mainly sounds like
somethings hitting.

1 Answer

116,285

Could be more than 1 problem here, rattling could be tranny, low power could be engine management system. Any codes? Does live data show any sensors out of specs, O2, ECT, trans sensors, etc.

Your Answer:

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