2001 Jaguar S-Type thermostat

2001 JAGUAR S-TYPE
150,000 MILES • 6 CYL • 2WD • AUTOMATIC
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JACK P BOND
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  • 1 POST
When i start my car it runs well until it warms up and then its sluggish and sounds like its dieseling.When i drive uphill,its sluggish
Sep 6, 2010 at 9:15 PM
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RASMATAZ
  • CERTIFIED EXPERT
  • 75,992 POSTS
Lack of acceleration,chugging,hesitating,bogging,misfiring etc. could be caused by one of the following below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock 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 it.
Sep 6, 2010 at 10:23 PM