myXR6T8U Member 16 Member For: 16y 2m 12d Posted 24/07/09 08:03 AM Share 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.. Link to comment Share on other sites More sharing options...
Adam Here since the start... Lifetime Members 10,282 Member For: 21y 10m 1d Gender: Male Location: Victoria Posted 24/07/09 08:05 AM Share Posted 24/07/09 08:05 AM Have you unplugged the Haltech to see if it still misses? Link to comment Share on other sites More sharing options...
myXR6T8U Member 16 Member For: 16y 2m 12d Posted 24/07/09 08:22 AM Author Share Posted 24/07/09 08:22 AM no I havent. what would that tell me.. Link to comment Share on other sites More sharing options...
Redback Banned 236 Member For: 15y 8m 16d Gender: Male Location: Blacktown NSW Posted 24/07/09 08:50 AM Share Posted 24/07/09 08:50 AM Sounds like coils could be gone mate. Link to comment Share on other sites More sharing options...
BFHOON Donating Members 1,932 Member For: 18y 11m 3d Gender: Male Location: nsw Posted 24/07/09 09:42 AM Share Posted 24/07/09 09:42 AM iv heard of the igniters needing some calibration to suit the multi coil setup our car runs. Link to comment Share on other sites More sharing options...
Adam Here since the start... Lifetime Members 10,282 Member For: 21y 10m 1d Gender: Male Location: Victoria Posted 24/07/09 10:00 AM Share Posted 24/07/09 10:00 AM It would tell you if the Haltech is the problem. Link to comment Share on other sites More sharing options...
TurboBart Member 25 Member For: 16y 19d Gender: Male Location: Perth WA Posted 24/07/09 11:12 AM Share Posted 24/07/09 11:12 AM Mine did this for awhile before the throttle position sensor shat itself. Link to comment Share on other sites More sharing options...
ebxmple Member 1,322 Member For: 17y 27d Posted 24/07/09 11:23 AM Share 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. Link to comment Share on other sites More sharing options...
myXR6T8U Member 16 Member For: 16y 2m 12d Posted 26/07/09 08:29 AM Author Share 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 Link to comment Share on other sites More sharing options...
Xrfranjo Member 350 Member For: 17y 6m 4d Gender: Male Location: Bonnyrigg Heights, NSW Posted 26/07/09 09:04 AM Share 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.. Link to comment Share on other sites More sharing options...
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