Yale GLC120VXNKHE100:
Back fire

Lift is back firing through intake under initial load blowing filter cover off. Sometimes dying. Any help is appreciated.
  • Posted 2 Sep 2023 06:19
  • Discussion started by sean_mcintyre
  • California, United States
Hydra Tech#1
Showing items 1 - 1 of 1 results.
Sean,

I assume you have the 4.3 GM engine. Based on this need to verify the distributor cap does not have any cracks and is clean. Check a few spark plugs and make sure they are gapped correctly. Depending on the hours i would check the fuel pressure from the regulator. The pressure from the regulator to the EPR should only be 2.5 to 4 lbs. Should it read above 6, the engine is flooded. If it runs fine before backfiring, valves and timing should be good. Need serial number if you have different engine.
  • Posted 6 Sep 2023 01:42
  • Reply by Fishmech
  • Virginia, United States
The hard to do we do right away. The impossible just takes a little longer.

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