Problems accelerating past 30

Asked by Jan 22, 2017 at 11:06 PM about the 1985 Chevrolet C/K 10 Silverado 4WD

Question type: Maintenance & Repair

Idels great get up to 30 quickly but just won't
accelerate any past with it to the floor what could
be the issue

1 Answer

78,055

Could be a plugged catalytic converter. Drive it to get it warmed up, park in a dark area, look at the cat. if it is glowing orange, it is plugged. Otherwise check for vacuum leaks, snug up the intake manifold, and check the TBI base gasket.

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