When stopped with the engine running and the transmission in gear, the car is jumping/twitching?

Tiny
RACHEL LENNIE ARMSTRONG
  • MEMBER
  • 2009 HONDA FIT
  • AUTOMATIC
  • 145,000 MILES
When stopped, but in gear, like at a light, the whole car twitches, and the engine feels like it’s threatening to shut off. However, this only happens with the air conditioning on.
Monday, June 19th, 2023 AT 1:14 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,909 POSTS
This happens when the engine is misfiring, have you performed a tune up lately?

Here are some guides to help us:

https://www.2carpros.com/articles/symptoms-of-engine-misfires-a-step-by-step-guide

and

https://www.2carpros.com/articles/how-to-tune-up-a-car-engine

Here is how the job is done on your car in the images below. I would install new ignition coils as well. Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.

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Tuesday, June 20th, 2023 AT 4:23 PM

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