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Simply cuts out when driving?

Tiny
ANONYMOUS
  • MEMBER
  • 1999 HOLDEN JACKAROO
  • 250,000 MILES
Hi, my Jackaroo simply cuts out when driving (for about 2 years now). If you leave it for ten minutes, it usually restarts, but is getting worse. The entire vehicle shuts off, so it can get pretty dangerous if your taking a corner, overtaking etc. Any ideas? Is it the fuel pump? Had the injectors cleaned recently and made no difference whatsoever. Just had a major service done as well, but nothing changed. Have heard it may be the idle air control solenoid, or the airflow meter.
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Thursday, February 21st, 2013 AT 8:17 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

It sounds like you might have an issue with the crankshaft position sensor.
Over time with heat and vibration of the engine the crank sensor can lose its calibration. And it can send incorrect signal to the ECM.
When the ECM receives wrong signal it can shut down the engine.
A failing crank sensor may or may not trigger the check engine light.
The crank position sensor is located on the lower part of the engine next to the crank pulley.

Here are few helpful articles:

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

Please let me know of any questions.
Thank you.
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Thursday, September 9th, 2021 AT 10:55 AM

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