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1999 Jaguar XK8 4.0L Poor Idle Quality, MIL Lamp on
Posted to European Driveability on 3/13/2008 5 Replies

Hey Jag-masters! Ive got this xk8 that a customer recently brought in for the first time and his concern was display reads "failsafe engine mode" and would not go over 20mph. We noticed it did infact not go over 20mph, had a code P0121 (TPS circuit range), and...

5 Replies Received (View Replies)

  Related Documents & Media  1999 Jaguar XK8

 
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car Vehicle Data

1999 Jaguar XK8

VIN SAJGX2047Z
Engine4.0 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On

Trouble Codes

P0121Throttle Position Sensor Range/Performance
P0335Crankshaft Position Sensor 1 Circuit Malfunction (No Signal)
Message Closed

car Vehicle Data

1999 Jaguar XK8

VIN SAJGX2047Z
Engine4.0 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On

Trouble Codes

P0121Throttle Position Sensor Range/Performance
P0335Crankshaft Position Sensor 1 Circuit Malfunction (No Signal)