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Engine cranks but will not start?

Tiny
ACHUDSON
  • MEMBER
  • 2008 PONTIAC TORRENT
  • 3.4L
  • V6
  • 2WD
  • AUTOMATIC
  • 217,000 MILES
Recent computer replacement was about a month ago. Also put a new battery in it. Now the car won't start. It will turn over/crank. The fuel pump was just changed, pressure is good. Checked ignition coil it sparks, air filter is new. I don't see any loose wires or plugs. No access to a code reader at the moment. The security light is not on, already tried starting in neutral.
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Monday, August 22nd, 2022 AT 4:24 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,554 POSTS
So, the engine has fuel and spark, how does it sound when it is cranking over? Also does the engine have compression? You could have a clogged exhaust system. Can you take a short video of the engine cranking over so I can hear it? That way I can tell you if the engine is not good or not. You can upload it in your response.

This guide may help as well:

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

and

https://www.2carpros.com/articles/car-not-running-advanced

Please run down this guide and report back.
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Tuesday, August 23rd, 2022 AT 8:40 AM

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