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Car shutting off and now will not start

Tiny
CTOMLIN
  • MEMBER
  • 2003 MERCURY MARQUIS
  • V8
  • AUTOMATIC
  • 160,000 MILES
The car has been shutting off when stopped and in drive. We had the intake manifold replaced and it is better but still shutting off when stopped but will stay on if in neutral. Now the car will not start at all.
Saturday, December 22nd, 2018 AT 4:36 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi and thanks for using 2CarPros.

First, take a look through this link to see if it helps. It discusses the most common causes of a crank no start condition.

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

Make sure to check if you are getting spark and fuel to the engine.

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

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

You will need to use a multi meter and a test light, so here are the directions for that.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

https://www.2carpros.com/articles/how-to-use-a-voltmeter

https://www.2carpros.com/articles/how-to-check-wiring

I also recommend scanning the computer for trouble codes. Here is a quick video showing how that is done. If you don' t have a scanner, most parts stores will lend or rent a scanner.

https://youtu.be/YV3TRZwer8k

Let me know what you find or if you have other questions.

Take care,
Joe
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Saturday, December 22nd, 2018 AT 8:24 PM

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