2000 Jaguar S-Type car is sluggish sometimes

Tiny
JCREWSER
  • MEMBER
  • 2000 JAGUAR S-TYPE
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 41,000 MILES
I need to know why the car is running sluggish sometimes.
Friday, June 25th, 2010 AT 10:44 AM

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, fuel filter 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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Friday, June 25th, 2010 AT 7:26 PM

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