1992 Chevrolet Silverado Misses Real Bad High Gear Changed Dist Cap Plugwires

247,000 MILES
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CHEVYTRUCK92
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  • 2 POSTS
misses real bad in high gear i changed dist. cap plugwires and plugs still misses you can pull any plug wire off at idle and it dont change idle
Nov 10, 2012 at 5:22 AM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Any applicable trouble codes? You can check those, yourself. What's the engine size? A high speed cut-out could be caused by faulty ignition coil? As far as your other issue, I'd want to look at it. Usually if no reaction when you kill cylinder, that cylinder is dead.
Nov 10, 2012 at 10:17 AM
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CHEVYTRUCK92
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it is a 350 motor i checked for vaccume leaks their was none i checked compression all cyclinders are at about 175 accept number 4 it has 0 what does that mean what should i do next.
Nov 10, 2012 at 11:55 AM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Maybe a bad valve on number 4?
Nov 11, 2012 at 8:20 AM
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