Car will turn over but will not start

Tiny
KIMBERLY AVANT
  • MEMBER
  • 2007 CHEVROLET AVEO
  • 4 CYL
  • AUTOMATIC
  • 110,000 MILES
Car revs up to 4rpm and shut off. Will not crank will turn over. Replaced throttle body, crank sensor and coil pack, still will not crank.
Monday, July 16th, 2018 AT 3:54 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi and thanks for using 2CarPros.com.

If an engine fails to start when the starter engages and turns it, there are only a few things that can be wrong, no fuel or air to the engine, no spark from the ignition, ignition timing or broken timing belt, low compression/no compression. Take a look through these links which describes different causes for no start or hard start issues:

https://www.2carpros.com/articles/engine-cranks-excessively-before-starting

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

Now, I need you to check for both spark and fuel to the engine. Here are the links which describe both:

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

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

I have attached a picture which contains the manufacturer's fuel pressure specifications.

Let me know if you have questions or need additional information.

Take care,
Joe

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Tuesday, July 17th, 2018 AT 8:26 PM

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