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No spark

Tiny
EC HEMPSTER
  • MEMBER
  • 2003 MITSUBISHI DIAMANTE
  • 3.5L
  • V6
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Drove home okay. Turned off vehicle.
Next morning. Engine wont start. Turns over but wont start. Pulled spark plug lead. Turned over engine, no spark.

Possible cause?
Saturday, June 15th, 2019 AT 4:23 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,872 POSTS
Welcome to 2CarPros.

Any time spark is lost, my first suspect is the crankshaft position sensor. Now, testing it really isn't that hard, but it requires a live data scanner. Basically, plug in the scanner and check for an RPM signal. If none is found, the sensor is the most likely cause.

Here are a few links you may find helpful:

https://www.2carpros.com/articles/how-a-crank-shaft-angle-sensor-works

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

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

___________________________-

The attached picture shows the sensor and location.

Check this first and let me know what you find.

Joe
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Saturday, June 15th, 2019 AT 6:08 PM

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