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Will not start after completing a motor swap

Tiny
SJODONNELL89
  • MEMBER
  • 1999 CHRYSLER SEBRING
  • 2.5L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
Hi, I had to do a motor swap on my car listed above. I bought a used motor from a same year cirrus. Motor is in but having problems. Motor will turn over but won't fire. My friend seems to think that the computer needs to be replaced. Any thoughts?
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Thursday, November 4th, 2021 AT 7:49 AM

1 Reply

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

You need a spark, fuel pressure, and compression.

I attached some guides for you to follow. You need to make sure you have these systems working.

https://www.2carpros.com/articles/car-cranks-but-wont-start

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

https://www.2carpros.com/articles/how-to-test-an-ignition-system

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

You need to hear the fuel pump run for 2 seconds when you turn on the key.

You need 140-160 pounds of compression for it to run.

You need to spark at the plugs when cranking.

Let me know the results.

Roy
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Thursday, November 4th, 2021 AT 9:41 AM

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