Discussion:
#3 cylinder missfire

Update

Finally found the problem with missfire on #3 when hot. After changing all ignition components I swapped injector rails with another unit and problem solved. I did not want to buy a complete set of injectors just to try it. One of the other units with the same 2400 GM engine broke a timing belt so I swapped injects fromm that unit.
  • Posted 22 Mar 2024 03:46
  • By Jon_Nemke
  • joined 14 Feb'24 - 5 messages
  • Wisconsin, United States
Showing items 1 - 3 of 3 results.
That is the first thing I did even though compresion usually never goes away just when hot.
  • Posted 10 Apr 2024 21:55
  • By Jon_Nemke
  • joined 14 Feb'24 - 5 messages
  • Wisconsin, United States
If you changed all that and still have problem did you every think of taking a compression test to see if you have good compression to fire a spark plug.
  • Posted 10 Apr 2024 13:19
  • By Scott_
  • joined 16 May'21 - 308 messages
  • Pennsylvania, United States
Scott
I HAVE THE SAME ISSUE ICHANGED WIRES AND PLUGS ALSO # 3 INJECTOR
STILL HAVE ISSUE SAW SOME TALK ABOUT VALVES AND LIFTERS ANY HELP WOULD BE GREATLY APPERCATED
  • Posted 10 Apr 2024 09:00
  • By hdridermike
  • joined 5 May'18 - 24 messages
  • Kansas, United States
old guy

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