restricted performance yellow light on

[pearn7]

xk8 1999 60320 miles what should I do or look for,only done 300 miles.help

[Old Peter]

Hi Joseph,

 

You need to use a diagnostic tool or get a garage to diagnose the issue.

 

An OBD2 scanner can be got quite cheaply on eBay.

 

It could be a faulty sensor at best.  The restricted performance is to ensure no damage is caused to the engine.

 

Regards,

 

Peter. 

[pearn7]

thank Peter

got OBD2,no 6 cyl not firing.next time no 8 not firing.ordered new set of plugs.hope they work!!!!!