Question about 1991 Chevrolet Silverado 2500

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I have a 1990 chevy 1500 and I can't get any spark at the the plug wires changed coil from a truck I know works what else can I look for to be bad? the truck was running fine then started to sputter then just died and wont restart

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Its the ignition moule located on the right passanger firewall

Posted on Aug 19, 2009

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Change the distributor cap and rotor.

Posted on Jul 01, 2009

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I need help with my 1999 chevy silverado 1500 5.3 4x4 I have a rough idle like its only running on 7 cylinders here are some of the things I've done to try and resolve this issue, changed fuel filter


you need to isolate which cylinder it is first may help.
while running use insulated pliers to pull each plug wire off plug or cap separately, you will hear idle change/drop when a good cylinder is pulled. it will not change when not firing cylinder is pulled. now u got the cylinder and can double check plug, wire connections there. see if that wire sparks on a ground or plug to check spark and eliminate that issue. if you get a zap you need a better insulated pliers, but you know that wire is good. Remember the 3 things needed on all engines- Spark, Fuel, Air. oh yes and Compression. if you have spark, then have cylinder compression tested 120-150psi is still good. 80psi sucks and you have bad rings or valves., fuel cleaner may help in that situation, rare fix, but cheaper than a new engine.

Aug 28, 2014 | 1999 Chevrolet Silverado 1500

1 Answer

1990 chevy 1500 4x4 5spd. New plugs,wires, cap, button, tps, coolant sensor. Hesitation under throttle. And also runs bad after warmed up. Im fed up with throwing parts at this problem. Im thinking maybe...


My 97 was doing this, I too put a lot of money before figuring out that it was a bad coil and coil wire. Works great now. Do you have the 4.3L

Jan 20, 2013 | Cars & Trucks

1 Answer

How can I change the spark plugs and wire how do I know if the coils are bad


intake manifold gasket may be bad,if the coils were bad you would get no spark and no fire i doubt its your plugs

Jan 15, 2013 | 1990 Chevrolet Corsica

3 Answers

No fuel or spark on my 89 chevy k5 blazer


change coil pickup which is in the bottom of the distrubuter

Feb 13, 2009 | 1989 Chevrolet S-10 Blazer

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