I HAVE A 1998 XK8 THE STALLS ON THE HWY EVERY ...

2001 Jaguar XK8

Tiny

Dwayne Mooore

July, 26, 2011 AT 9:38 PM

I have a 1998 XK8 the stalls on the HWY every now and then. The strage thing the is the motor & power is still on but car slow down & when I step the gas nothing happen. I pull over put in park and car always starts right up

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Tiny

JIS001

July, 27, 2011 AT 3:47 AM

Have you had any repairs done recently to the vehicle? If you have you may just need to reset the ECM adaptations for it to run properly again? Here is a service bulletin to reseting the adaptations?

303-01

DATE 4/98

V8 XJ Series/XK8

MODEL
1997 MY-ON XK8 Range
1998 MY-ON V8 XJ Series

VIN
001001-ON
812256-ON

Driveability Concerns After Repair - Resetting ECM Adaptation

Issue: After repairing an engine management problem, the vehicle may still not run properly because the ECM strategy has adapted to an extreme rich or lean limit while attempting to compensate for the previous problem. This bulletin outlines a procedure for resetting the ECM adaptation to a base setting.

Action: ENGINE CONTROL MODULE (ECM) ADAPTATION

To expedite the adaptive learning process for some functions of the ECM, perform the following procedure: Warning: Perform this procedure with the vehicle on a firm surface (not on a lift) after ensuring that no danger exists to surrounding personnel or property.

Caution: Do not exceed the engine speeds and time durations listed below.

1. Apply the parking brake, and allow the engine to reach normal operating temperature with the selector lever in P.

2. Press the A/C button to turn the climate control off.

3. Apply the service brakes, and move the transmission selector lever to D. Perform steps 4-7 with the brakes applied and the transmission selector lever in D.

4. Allow the engine to idle for an additional 2 minutes.

5. Gradually raise the engine speed to 950 RPM. Hold this speed for 45 seconds.

6. Raise the engine speed to 1200 RPM. Hold this speed for 45 seconds.

7. Raise the engine speed to 1500 RPM. Hold this speed for 30 seconds.

8. Allow the engine to return to idle. Move the selector lever to P and allow the engine to idle for 2 minutes to cool the transmission fluid. Switch off the engine.

Let me know if this helps you out?

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