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Do I need a new ECM

Tiny
MITCHD64
  • MEMBER
  • 2003 DODGE CARAVAN
  • 143,000 MILES
2003 4Cyl Carvan fwd, has codes of intermittent cam sensor have replaced cam sensor and wiring. Still same code, purchased different ECM w/no codes installed and now get same codes. I have been told by two dodge shops and 1 garage I need a new ecm? I am having a problem shifting from start to 2nd or 3rd. Once it shifts into high runs great 60-70 mph.
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Sunday, January 1st, 2012 AT 9:21 PM

2 Replies

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
It's either an improperly installed and adjusted sensor, bad/loose connectors or wiring, or a faulty ECM. Since you replaced the ECM with asupposedly know good item, I would focus on the other two possibilities.
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Tuesday, October 29th, 2019 AT 3:20 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect and test the camshaft position sensor's interruptor ring/clearances
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Tuesday, October 29th, 2019 AT 3:20 PM

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