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1989 Ford Mustang Hesitates

Tiny
JOEBOX
  • MEMBER
  • 1989 FORD MUSTANG
  • V8
  • 2WD
  • MANUAL
  • 300,000 MILES
How are you doing Sir or Ma'am, I currently been having a problem with my mustang hesitating when I take off in all the gears I go through. I noticed it only happens when the car is cold or not warmed up yet. If I let it warm up it does not do it, if I fire it up and take off within 5 min it will almost stall on me when I am giving it gas, in all the gears. It just starting happening, and I take care of her on a regular basis. Tune up, oil changes everything.
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Wednesday, March 10th, 2010 AT 4:44 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If the clutch is not slipping. Inspect and test all the following listed below and get back with some testing results we start here

Oxygen sensors.
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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Wednesday, March 10th, 2010 AT 5:11 PM

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