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2002 Mercury Sable slight loss of power

Tiny
BOBONE53
  • MEMBER
  • 2002 MERCURY SABLE
Engine Performance problem
2002 Mercury Sable 6 cyl Automatic 110000 miles

while driving (highway), engine seems to lag a bit at any constint speed.
Wednesday, May 26th, 2010 AT 3:23 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect and test all the following listed below and get back with some results

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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Wednesday, May 26th, 2010 AT 5:51 PM

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