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Engine shuts off once car warms up

Tiny
ANONYMOUS
  • MEMBER
  • 2006 SCION TC
  • 2.4L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 246,500 MILES
Recently replaced spark plugs, coils, wiring, rail and fuel pump. Now my car shuts off after about 45 minutes to an hour of running. The car will not start back up when it's hot but once it cools down it starts right away.
Monday, April 13th, 2020 AT 2:42 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
This sounds very much like a crank sensor issue. Clearly there could be other causes but let's start with inspecting the spark plugs when this happens. If you have no spark then I suspect the CKP sensor is the issue. Inspect this by pulling a plug and holding it against the block to see if it sparks when cranking the engine as it is not starting.

Here is a guide that goes into detail about this issue:

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

I attached the procedure for this if that proves out. Let me know if you have questions.
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Monday, April 13th, 2020 AT 4:56 PM

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