1998 BMW 740 hessitation

Tiny
MMURCH1975
  • MEMBER
  • 1998 BMW 740
  • V8
  • 2WD
  • AUTOMATIC
  • 138,000 MILES
I take off from a lite and the car barely wants to go when I step on it then it starts to feel like it wont go int the next gear and when I stop it shakes like crazy I tuned the car up and changed the mass airflow still have the problem
Monday, February 15th, 2010 AT 7:22 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect and test all the following listed below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
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, February 15th, 2010 AT 8:41 PM

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