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Misfire/bogging

Tiny
NORA ZWART
  • MEMBER
  • 1994 BUICK ROADMASTER
  • V8
  • AUTOMATIC
  • 192,000 MILES
I drove my vehicle this morning and it ran good. I went to start it and run around town 2 hours later, it started but sounds like and feels like a fuel filter and or spark plugs but it smells like burnt oil. When I stop it wants to cut out and same when I hit the gas to take off but once you get up to speed it doesn't feel like it wants to cut out, but it also has a misfire at the same time?
Help please!
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Friday, March 13th, 2020 AT 1:14 PM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

Okay, here is a quick trick to figure out the problem cylinder: With the engine running, unplug the electrical connectors at the fuel injectors one at a time. Listen for the engine to change in sound and feel. If it does, then this is not the problem cylinder. Replace the electrical connector on the fuel injector. Move on to the next and repeat. If there is no noticeable change in sound or feel of the engine, than this is a problem cylinder. Go through all of the cylinders this way and get back to us with what you find out, and we can go from there.

Thanks,
Alex
2CarPros
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Friday, March 13th, 2020 AT 1:42 PM

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