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Odometer problem

Tiny
SMANIMTIM
  • MEMBER
  • 1997 NISSAN CEFIRO
  • 144,000 MILES
Hi, I own a 1997 Nissan Cefiro with an A32 engine installed. I've notice something on my odometer, sometime at start up or even when i'm driving it suddenly shoots up to a high of 4000rpm but I don't feel the engine roaring at that rate, its like a normal 850 to 1000 rpm. Then suddenly it drops down to its normal reading. Is there an electrical shortage? Or what could you advise that I need to do. Thanks, Sonny
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Tuesday, March 6th, 2012 AT 2:03 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you have a check engine light if so scanned the computer for codes-start here

I don't have the references to this vehicle-might want to clean the throttle body and also check the throttle position sensor, fast idle control device and also the IACV-AAC valve
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Tuesday, March 6th, 2012 AT 2:08 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Check for shorts and check for weak body grounds.
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Tuesday, March 6th, 2012 AT 2:09 AM

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