Question about 1994 Chevrolet K1500
Could be fuel or spark, or even a poor cylinder. With a spark tester, look at spark on all cylinders, do a compression test to verify good compression. (Valve problem, or jump timing at the timing chain)
You should check fuel pressure before changing a pump. If all of this looks good, a noid light at the injector (s) will tell you if the computer is firing the injectors properly.
If you can get it to idle, remove a spark plug wire, one at a time, if it runs worse, that cylinder is working, if it has no change, that cylinder has a spark or fuel issue, for that cylinder.
Posted on May 01, 2010
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Posted on Jan 02, 2017
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