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Engine will not exceed 2,000 RPM's?

Tiny
ATOMICDR
  • MEMBER
  • 2001 INFINITI QX
  • V8
  • 4WD
  • AUTOMATIC
  • 222,000 MILES
So far it's been narrowed down to the "coolant temp sensor" as the cause of the problem. Any other advice would be greatly appreciated. Where is this sensor located on the engine?

Thank-you.
Tuesday, January 27th, 2015 AT 8:40 AM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan for codes check fuel pressure with a gauge auto parts rent it and check for a vacuum leak. See pic for coolant temp location.
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Tuesday, January 27th, 2015 AT 9:45 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
The first thing I would do is change out the fuel filter, here is the location. Check out the images (below). Please let us know what happens.
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Saturday, September 7th, 2024 AT 9:25 AM

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