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Car has a hard time passing 2000rpm-2500rpm

Tiny
KENNY1988
  • MEMBER
  • 2004 INFINITI G35
  • 130,000 MILES
The vehicle is very slow off the start and has a hard time accelerating over2000rpm.
I changed he cam shaft sensor and the problem got worse.
Friday, May 25th, 2012 AT 5:30 AM

6 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you have a check engine light?

Go to this walk thru link:https://www.2carpros.com/articles/engine-hesitates
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Friday, May 25th, 2012 AT 7:26 AM
Tiny
KENNY1988
  • MEMBER
  • 3 POSTS
Yes the check engine light is on.
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Saturday, May 26th, 2012 AT 5:18 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Have the computer scanned for code/s and post them if any present
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Saturday, May 26th, 2012 AT 8:46 AM
Tiny
KENNY1988
  • MEMBER
  • 3 POSTS
P0021 and P0011
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+1
Saturday, May 26th, 2012 AT 2:49 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
P0021 for Intake cam position timing-check the oil if sludged-up

P0011: http://www.obd-codes.com/p0011
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Saturday, May 26th, 2012 AT 7:41 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
P001 and P0021 are both for the Intake Valve Control and it could be due to sludged oil causing the control valves to stick or the control valves are faulty.
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Sunday, May 27th, 2012 AT 11:38 AM

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