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2001 Infiniti QX Truck wont start after running

Tiny
CHOSTET
  • MEMBER
  • 2001 INFINITI QX
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
My qx4 will start fine if it has been sitting for at least a few hours. In the last week if I go run an errand and then come back out to the truck it typically will not start. It cranks and cranks but will not actually start. I have to leave it setting until it cools down enough to start.
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Monday, May 4th, 2015 AT 4:17 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check fuel pressure with a gauge auto parts rent it, may not be giving enough when hot and scan for codes, check crank and cam sensors.
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Monday, May 4th, 2015 AT 7:05 AM
Tiny
CHOSTET
  • MEMBER
  • 2 POSTS
If it is crank or cam sensor will it definitely throw a code? Because as of right now the check engine light has not come on. Could it be fuel filter?
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Monday, May 4th, 2015 AT 9:26 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
A lot of times a crank sensor especially will be bad/on verge of and not throw a code. I doubt it 's a fuel filter even though it probably has never been changed more likely a pump that is why you check pressure with a gauge fp should be 43 w/o vacuum and 34 w/vacuum
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Monday, May 4th, 2015 AT 9:38 AM

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