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1998 Infiniti Infinity QX4 Infiniti engine / transmission prob

Tiny
FHONADLE24
  • MEMBER
  • 1998 INFINITI QX60 HYBRID
  • 4.0L
  • 5 CYL
  • 4WD
  • AUTOMATIC
  • 198,000 MILES
Problem started after we had exhaust pipe under passenger side replaced (pipe going straight to converter) so I am thinking it might be converter but not sure the car is bogging out almost like it's not getting air to the engine or something, rpm gauge goes crazy idle and if driving you must hammer gas petal to get it to move, or else it will studder and stall out, starts right back up but problem does continue please help I need to find the problem. When I went to the shop they changed the sensors but didn't do anything.
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Tuesday, February 4th, 2014 AT 9:39 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Is the check engine light coming on at all?

Have you brought it back to the guy that did the work?
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Wednesday, February 5th, 2014 AT 6:25 AM
Tiny
FHONADLE24
  • MEMBER
  • 2 POSTS
Yes we did bring it back to them they said they could not find the problem and yes check engine light is on for a couple sensors MAF sensor is one of them other that that I don't know for what else but mechanic said they tried everything computer says
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Wednesday, February 5th, 2014 AT 8:23 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
It's obvious that you need a different shop. This one has no idea what they are doing. The computer will not tell you what is wrong with the car. It just tells you specific facts about a specific circuit and the tech has to determine the cause. These codes need to be troubleshooted and are likely related to your problem.
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Thursday, February 6th, 2014 AT 2:35 AM

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