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Engine shut off while driving

Tiny
JESSICA YOURAVISH
  • MEMBER
  • 1999 MITSUBISHI GALANT
  • 2.4L
  • AUTOMATIC
  • 106,453 MILES
I replaced the crankshaft positioning sensor, the coil packs, the timing, and balancer belt. Drove two blocks it shut off. It turns over starts again and then makes a sputter noise or backfires shuts off out again. What's the problem?
Tuesday, November 2nd, 2021 AT 8:04 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

Backfiring usually comes from the timing.

https://www.2carpros.com/articles/engine-backfires-while-running

I would double the timing belt and make sure it did not move or is set wrong. Check the compression and see if you have 140-160 in each cylinder.

https://www.2carpros.com/articles/how-to-test-engine-compression

I attached the diagram for the marks for you to verify.

Roy

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Tuesday, November 2nd, 2021 AT 10:32 AM

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