misfire
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New guy here...77 c20 292 NEED HELP
Hi guys I just joined I have a 77 C20 with a 292 and sm465 I have been having a problem with cylinders 1 and 2 not firing/misfiring/missing badly... Both cylinders have about 140 compression, I have spark, and it doesnt appear to have an intake/exhaust gasket leak or crack on the runner...- Yellowstripe77
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- 292 misfire notfiring
- Replies: 15
- Forum: Introduction
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Engine Misfire/Shutoff after just 30 minutes of driving
Hi All, I have a 1987 C20 5.7L 350 Longbed, with around 50,000 original miles on it. I have been having this problem for 2 months now, and it started about a month after purchasing it. I don’t know a lot about trucks, but i’m learning. The first time it happened to me i was on the freeway...- Drake Brown
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- c20 engine misfire
- Replies: 5
- Forum: Tech Discussion
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Conquered Initial Problem, Followed by New One
A lot of you guys helped me out with an overheating problem originating from a bad water pump seal and I thank those of who you helped me out. I now have a new problem. My truck will at times, seemingly random, misfire. The carb misfires when it’s cold and I get on it - but this thing is...- emtrichel
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- engine loss mechanical misfire power thumping
- Replies: 6
- Forum: Engine & Performance
