Have it done will a duty cycle meter and check the O2 function if you don't have the procuder i'll send it to you. Steve Toughill MAINElyVW1@aol.com 84 Scirocco GTX 88 Fox Mainely Metric -- To subscribe or unsubscribe, send email to scirocco-L-request@privateI.com, with your request (subscribe, unsubscribe) in the BODY of the message.