2002 Mercury Sable car is pulling back on acceleration

Tiny
CARFORM
  • MEMBER
  • 2002 MERCURY SABLE
2002 Mercury Sable V8 Four Wheel Drive Automatic

Is this a transmission problem or something else?
Monday, February 8th, 2010 AT 9:25 PM

1 Reply

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

Oxygen sensor
Catalytic converter
Dirty fuel injectors (cleaning the injectors often fixes this).
Bad MAP (manifold absolute pressure) sensor
Bad TPS (throttle position) sensor
Bad or dirty MAF (mass airflow) sensor
Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
Bad gasoline (fuel contaminated with water or too much alcohol)
Dirty or worn spark plugs
Bad plug wires
Weak ignition coil
Cap and rotor

Note:If it doesn't apply disregard.
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Monday, February 8th, 2010 AT 11:30 PM

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