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2001 Infiniti I30 car hesitates when first started and taki

Tiny
BROTUS_MIL
  • MEMBER
  • 2001 INFINITI I30
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 106,000 MILES
I have a 2001 Infiniti I30, 106000 miles. I had the regular services performed and am noticing the car hesitating when I first start and take off. After a minute it runs fine and has no more problems and rpms are fine and steady. I had the sparkplugs changed @99k. I tried pulling codes no luck, tried seafoam no luck, checked battery and hoses nothing. Any help is appreciated
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Saturday, October 23rd, 2010 AT 5:46 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lack of acceleration, chugging, hesitating, jerking, bogging, misfiring etc. Could be caused by one of the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock 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 it
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Saturday, October 23rd, 2010 AT 6:37 PM

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