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2007 Infiniti G35 surges

Tiny
PBLUMAN
  • MEMBER
  • 2007 INFINITI G35
Engine Performance problem
2007 Infiniti G35 6 cyl All Wheel Drive 33000 miles

When I take off from a stop, the car power surges then drops, sometimes dangerously as I get less power as I enter traffic.
Sunday, March 21st, 2010 AT 11:42 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi pbluman, Welcome to 2carpros and TY for the donation

Inspect and test all the following listed below and get back with some results

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard.
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Monday, March 22nd, 2010 AT 5:35 AM
Tiny
KEN08041987
  • MEMBER
  • 1 POST
I am having the same problem. I have noticed it when I start from a stop and the engine is relatively cold (first 5 minutes or so) or if barely pressing accelerator on highway. If I put the hammer down it goes away. Interested in answer as my dealership wants major $$$ everytime I go in there.
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Wednesday, February 27th, 2013 AT 1:41 PM

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