Question about 1991 Chevrolet K1500
Just did a tune up, plugs wires cap and rotor. but it starts hard and when i do get going down the road at a steady speed rpm oscilates up and down 200 rpm but you dont feel the engine speed up or slow down. truck has 260,000 miles on it no major work done to engine.
Sounds more likley you have an air leak this will cause bad starting as it is sucking air in instead of fuel when its cold and wnen it warms up idling will be eratic and misfire check all hoses gaskets relating to the inlet manifold or if its done that kind of mileage crankcase pressure could be the problem but i suspect an air leak yates210456
Posted on Sep 28, 2008
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Posted on Jan 02, 2017
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