LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Speedometer problem?

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Old Mar 13, 2006 | 06:21 AM
  #1  
ChrisUlrich's Avatar
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From: Cliffside Park, NJ
Speedometer problem?

Not really sure where to post this... sorry

If I am in neutral and I rev up the motor... the speedometer will go up? It will rise to about 10mph then drop right back down?

Little confused by this...? Something broken you think?
Old Mar 13, 2006 | 11:55 AM
  #2  
ChrisUlrich's Avatar
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Re: Speedometer problem?

No one?
Old Mar 13, 2006 | 11:59 AM
  #3  
Javier97Z28's Avatar
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From: Jupiter (NPB), Fl
Re: Speedometer problem?

Signal comes from the PCM... do you have a spare you could swap in to test?
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