S TYPE 3LTR 110,000 MILES

2000 Jaguar XJS

Tiny

phil ward

February, 11, 2007 AT 5:28 AM

I have a small problem with the car, it starts fine and runs but when I get to about 45/50 mph I get a small juddering, it feels like a spark plug is missing a beat, I have had all the plugs changed but the problem is still there, it only seems to happen when the car has warmed up a bit and not all the time, also when it is happening I sometimes get the engine management light flashing but not all the time, I have had it plugged into a computer but it shows up with no faults, Any help would be fantastic.

Phil Ward.

FOUND 17083 RELATED QUESTIONS

1 Answer

Tiny

Dave H

January, 6, 2010 AT 5:25 AM

Check fuel pressure. Add a good fuel system cleaner to the tank to clean the injectors

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