I have crank but i have no spark. changed ECM, coil packs, etc.
Mar 23, 2020 at 10:57 PM
Cranks but will not start
2004 OLDSMOBILE ALERO
ERICSNYDER011
- MEMBER
- 2 POSTS
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Good morning,
You need fuel, spark and compression for it to run.
https://www.2carpros.com/articles/car-cranks-but-wont-start
Did you check the fuel pressure? Can you hear the fuel pump run?
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
Did you check for spark? Check at the spark plug while cranking.
https://www.2carpros.com/articles/how-to-test-an-ignition-system
Did you check for compression?
https://www.2carpros.com/articles/how-to-test-engine-compression
Did you have your replacement ECM programmed to your VIN number?
Roy
You need fuel, spark and compression for it to run.
https://www.2carpros.com/articles/car-cranks-but-wont-start
Did you check the fuel pressure? Can you hear the fuel pump run?
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
Did you check for spark? Check at the spark plug while cranking.
https://www.2carpros.com/articles/how-to-test-an-ignition-system
Did you check for compression?
https://www.2carpros.com/articles/how-to-test-engine-compression
Did you have your replacement ECM programmed to your VIN number?
Roy
Mar 23, 2020 at 11:06 PM
I have done all but program the ECM to my VIN wasn't sure you had to.
Mar 25, 2020 at 2:32 PM
Yes, you must for it to operate correctly.
What were the results of all the tests I suggested?
Roy
What were the results of all the tests I suggested?
Roy
Mar 25, 2020 at 9:49 PM
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