Question about 1998 Chevrolet K1500
Initial diagnostics showed misfiring. Replaced plugs, wires, rotor, distributor cap and coil. Had to replace injector for cyllinder #8 which fixed the misfiring, but still running really rough. Mechanics are baffled!! Any ideas? Runs roughest between 1500 & 2000 RPMs.
Is this a 5.7? They are notorious for intake manifold gasket leaks. When mine did it, the diagnostics blamed it on an ignition misfire also! Replaced the gaskets and it runs smooth!
Posted on Apr 01, 2009
97 chevy 1500 4x4 replaces plugs wires cap rotor dist pick up and crank sensor truck run good when cold as soon it heats up and comes to stop it feels like it boggs down runs rough and stalls any idea what to do?
Posted on Nov 04, 2009
My 97 k1500 runs like poop random mulltiable misfires everything new ........... whats next ???
Posted on May 13, 2010
Does this vehicle have hydraulic tappets if it does ???then has it had regular oil changes if not and it has hydraulics tappets then they could be gummed up and the gaps on the valves are too tight causing the rough running.was this vehicle designed to run on unleaded petrol ??and if so has it got stelite coated valves and seats to run on unleaded fuel,Do a compression test and see if its within spec as this sounds like a valve problem to me.
Posted on Nov 04, 2008
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Posted on Jan 02, 2017
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