Mechanics

ENGINE HESITATION

2008 Infiniti G35 • 37,000 miles

My infiniti's engine hesitate when I stop the car for more than 5 hrs. Unless if I warm the car for more than 10 mins.
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Wahab
October 23, 2011.



http://www.2carpros.com/articles/engine-hesitates

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.

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 and keep testing.

Rasmataz
Oct 26, 2011.