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Car wont start

Tiny
SOONERDFFAN
  • MEMBER
  • PONTIAC GRAND AM
1994 pontiac grand am 3.2 engine
car wont start- no fire
connected computer scanner to car and it reads
unable to communicate- check engine lite works
tried another scanner and it read the same thing
do I need a new ecm? :
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Thursday, November 22nd, 2007 AT 8:34 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

It sounds like the ECM may have an internal fault. Has the battery been spiked, or has any welding been done on the car? As this can cause a voltage spike that can damage the ECM, Just check for a main engine fuse or a ECM, ECU fuse first, you can install a test ECM to help pin point the fault. Your auto supplier may be able to help with this.

Mark (mhpautos)
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Thursday, November 22nd, 2007 AT 10:26 PM

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