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2000 Nissan Xterra Chugging under load

Tiny
SHARKBAIT8710
  • MEMBER
  • 2000 NISSAN XTERRA
  • 119,000 MILES
My 2000 Nissan Xterra is chugging. It was showing codes for a cam and crank sensor. I replaced the cap and rotor, spark plugs, and crank position sensor. Its still chugging. It only does it when it warms up and only does it under load (while driving) but not while idling or reving it up in neutral.
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Friday, June 28th, 2013 AT 4:40 PM

6 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Are the codes still active?

Roy
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Saturday, June 29th, 2013 AT 1:07 AM
Tiny
SHARKBAIT8710
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  • 4 POSTS
Codes are cleared and none have come back up.
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Saturday, June 29th, 2013 AT 2:56 AM
Tiny
ASEMASTER6371
  • MECHANIC
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How old is the timing belt?

Roy
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Saturday, June 29th, 2013 AT 3:18 AM
Tiny
SHARKBAIT8710
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No idea. But wouldn't it run rough all the time if it was timing? It only Chugs when it warms up.
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Saturday, June 29th, 2013 AT 3:21 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
With both cam and crank codes, the odds of both sensors failing are like you getting hit by lightning.

Usually when you get a code for both, it has to do with the timing belt causing the cam/crank corolation being off. Yes, it can cause rough running. I would start there.

I would also get the injectors professionally cleaned. Additive rarely work and have little or no effect.

Roy
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Saturday, June 29th, 2013 AT 3:26 AM
Tiny
SHARKBAIT8710
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But it only runs rough when warm.
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Saturday, June 29th, 2013 AT 4:46 PM

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