Engine will not start

2007 SATURN VUE
143,000 MILES
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NURSEDE30
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Yesterday my car started fine in the morning. In the afternoon after sitting for 8 hours it wouldn't start. It would turn over for a few seconds and then shut off. There was a hose that was disconnected and thought maybe that was the problem.. I took it to the shop and they couldn't find anything wrong. The hose wasn't the problem. any suggestions?
Sep 18, 2013 at 2:28 PM
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KASEKENNY
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So when you took it to the shop was it not starting and they couldn't find the issue?

If not here is a guide that is going to get us started:

https://youtu.be/dCjmRL3p4Cs

Once we start checking these things we need to start with the fuel. Here is a guide on how to check the fuel pressure:

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

If the fuel pressure is ok we need to check for spark by pulling a plug and hold it against the block and crank the engine.

If you have no spark the most likely cause is the crank sensor.

Here is a guide that talks about this:

https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor

https://www.2carpros.com/articles/crankshaft-angle-sensor-replacement

Lastly I have attached below the process on how to replace the crank sensor if that proves out to be the issue.

Take a look at this material and let us know what questions you have.

Thanks
Feb 8, 2021 at 12:18 PM