myXR6T8U Member 16 Member For: 17y 9m 19d Posted 24/07/09 08:03 AM Posted 24/07/09 08:03 AM hey guysI have a 2004 xr6t ute with a haltech computer.. about two weeks ago the car started to miss while driving it. then it stopped on the freeway. I leave it for a while then it starts again straight way.. then it will start missing again.. anyway my mechanic changed the spark plugs. it was ok for a day then it got worse. it wont idle and is missing all the time...has anyone had this problem before..
Adam Here since the start... Legacy Donating Member 10,282 Member For: 23y 5m 8d Gender: Male Location: Victoria Posted 24/07/09 08:05 AM Posted 24/07/09 08:05 AM Have you unplugged the Haltech to see if it still misses?
myXR6T8U Member 16 Member For: 17y 9m 19d Posted 24/07/09 08:22 AM Author Posted 24/07/09 08:22 AM no I havent. what would that tell me..
Redback Banned 236 Member For: 17y 3m 23d Gender: Male Location: Blacktown NSW Posted 24/07/09 08:50 AM Posted 24/07/09 08:50 AM Sounds like coils could be gone mate.
BFHOON Legacy Donating Member 1,932 Member For: 20y 6m 10d Gender: Male Location: nsw Posted 24/07/09 09:42 AM Posted 24/07/09 09:42 AM iv heard of the igniters needing some calibration to suit the multi coil setup our car runs.
Adam Here since the start... Legacy Donating Member 10,282 Member For: 23y 5m 8d Gender: Male Location: Victoria Posted 24/07/09 10:00 AM Posted 24/07/09 10:00 AM It would tell you if the Haltech is the problem.
TurboBart Member 25 Member For: 17y 7m 26d Gender: Male Location: Perth WA Posted 24/07/09 11:12 AM Posted 24/07/09 11:12 AM Mine did this for awhile before the throttle position sensor shat itself.
ebxmple Member 1,322 Member For: 18y 8m 3d Posted 24/07/09 11:23 AM Posted 24/07/09 11:23 AM Inlet manifold gasket????? Spray some brake clean or petrol over the inlet manifold gasket along the head and see if it changes.
myXR6T8U Member 16 Member For: 17y 9m 19d Posted 26/07/09 08:29 AM Author Posted 26/07/09 08:29 AM thanks for info guys.. will try these out.. would a dyno tell the problem or would that just tell me about the haltech
Xrfranjo Member 350 Member For: 19y 1m 11d Gender: Male Location: Bonnyrigg Heights, NSW Posted 26/07/09 09:04 AM Posted 26/07/09 09:04 AM mine did that for a while and found that it was the injectors as I have maxed them out for too long and they decieded to stop working under load..
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