when i'm sitting at the lights my rpms drop to 200 or sometimes 0 and other times it seam to work ok
Aug 11, 2010 at 3:18 PM
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JACOBANDNICKOLAS
AUTOMOTIVE REPAIR CONTRIBUTOR
110,190 POSTS
Is the engine dieing, or is the problem only with the tach?
Aug 11, 2010 at 9:12 PM
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RAMHUNTER
MEMBER
3 POSTS
just the tact
Aug 11, 2010 at 10:33 PM
JACOBANDNICKOLAS
AUTOMOTIVE REPAIR CONTRIBUTOR
110,190 POSTS
It could be a few things, a bad signal from the PCM, BCM, or a bad ground. Have you checked for bad or loose body grounds?
Aug 11, 2010 at 11:04 PM
RAMHUNTER
MEMBER
3 POSTS
on the 2006 dodge ram the tact is closed all in and what ground wires are you talking about. i will also check the pcm and the bcm
Aug 12, 2010 at 11:19 AM
JACOBANDNICKOLAS
AUTOMOTIVE REPAIR CONTRIBUTOR
110,190 POSTS
There are body grounds that look like straps. They are usually held on with clips. Often, they rust or come loose.