1997 Mercury Mountaineer once put in drive it drag on takeo

Tiny
GUNNZ
  • MEMBER
  • 1997 MERCURY MOUNTAINEER
  • V8
  • FWD
  • AUTOMATIC
  • 10,791 MILES
Once put in drive it drag on takeoff than it jumps up in speed. Why do it do this
Monday, June 21st, 2010 AT 1:40 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.
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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Tuesday, June 22nd, 2010 AT 12:33 AM

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