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Cranks but no start

Tiny
PAUL BAKER III
  • MEMBER
  • 2008 SATURN AURA
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
It cranks but does not start. I put a scanner on it and replace the camshaft sensors, the exhaust and the intake sensors and then I replaced the crankshaft actuator position sensor. Go to start it and it cranks and cranks and cranks acts like it wants to start but won't start.
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Wednesday, April 21st, 2021 AT 11:33 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Two things we need to start with. First fuel pressure and then compression.

Here is a guide that will help with this:

https://youtu.be/dCjmRL3p4Cs

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

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

Sounds like it is a fuel pressure issue but the fact that it sounds like it is trying to start sounds like it could be a timing issue and we will most likely show up on a compression check. More then likely it will be lower than normal but not 0 PSI.

Let's start with this and go from there.
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Thursday, April 22nd, 2021 AT 6:06 PM

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