Engine shuts off when it reaches operating temperature, is the timing or PCM?

Tiny
RONNIE WOLF
  • MEMBER
  • 2001 CHRYSLER TOWN AND COUNTRY
  • 3.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 220,000 MILES
I had to replace the timing belt cover on my van listed above. After I put everything back together it would not run properly. The mechanic said the PCM went out and I replaced it and the Cam sensor. It'll start but as soon as it gets up to running temperature it shuts off. It sounds good when it's idling.
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Wednesday, June 22nd, 2022 AT 8:49 PM

9 Replies

Tiny
JOE F
  • EXPERT
Ronnie,

What you describe sounds like an issue with the crankshaft position sensor. When they start to fail, heat adversely affects them.

Take a look through this link and let me know if it mirrors what you experience:

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

Also, I am assuming that it runs normally before this started. Is that correct?

Let me know.

Joe
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Wednesday, June 22nd, 2022 AT 9:15 PM
Tiny
RONNIE WOLF
  • MEMBER
It runs normally before it heats up. I just replaced the cam sensor.
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Wednesday, June 22nd, 2022 AT 9:19 PM
Tiny
RONNIE WOLF
  • MEMBER
Do you think I could have a bad sensor?
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Wednesday, June 22nd, 2022 AT 9:46 PM
Tiny
JOE F
  • EXPERT
Ronnie,

It is possible. If the vehicle has a tachometer, see if it jumps around when it starts running oddly. If the sensor is the issue, the engine will be losing the RPM signal from it, or at least it will be erratic.

Or, if you have a live data scanner, see if the signal jumps around.

Let me know.

Joe
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Thursday, June 23rd, 2022 AT 7:57 PM
Tiny
RONNIE WOLF
  • MEMBER
Okay, next time I'm around it I'll check it and let you know.
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Friday, June 24th, 2022 AT 8:50 AM
Tiny
JOE F
  • EXPERT
Sounds good. I'm interested in knowing if that is the issue. Chances are it is something simple.

Take care and I'll watch for your reply.

Joe
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Friday, June 24th, 2022 AT 8:20 PM
Tiny
RONNIE WOLF
  • MEMBER
Okay, thank you.
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Friday, June 24th, 2022 AT 8:21 PM
Tiny
RONNIE WOLF
  • MEMBER
Replaced the cam sensor for the second time and it runs just great. I really appreciate your help. One more question, I have a hole in my air conditioner condenser can I just replace the condenser or do I have to replace dryer and all that too?
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Wednesday, June 29th, 2022 AT 10:16 AM
Tiny
JOE F
  • EXPERT
Hi,

Ronnie, first, I'm glad to hear it is running properly. That's good news. As far as the AC question, could you possibly copy that question to a new thread? We try to keep the topics specific to one issue, so it is more helpful to others. I hope you understand.

Here is the link to start:

https://www.2carpros.com/questions/new

As far as your new question, there are variables and PAG oil will need to be added to the new condenser. I will watch for your new post.

Take care,

Joe
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Wednesday, June 29th, 2022 AT 9:55 PM

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