Periklis Member 67 Member For: 14y 9m 2d Posted 01/05/12 08:18 AM Share Posted 01/05/12 08:18 AM Hello all,Past month or so as soon as I wind up boost on the car, more frequently in first and second the car is backfiring loudly and multiple times looses power, then boosts up again... normally does this when its really cold winter air outside, happens about 60% of the time, and more often when the car is still cold..Any suggestions/ideas? It looses power backfires, then idles really sh*t afterwards, untill I give it a decent rev then goes back to normal...Ive replaced the spark plugs afew weeks ago, and the coils replaced about 6 months ago..Any help apreciated,Cheers 1 Link to comment https://www.fordxr6turbo.com/forum/topic/79973-boost-causing-serious-backfiring/ Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,332 Member For: 19y 7m 19d Gender: Male Location: Perth Posted 01/05/12 08:22 AM Share Posted 01/05/12 08:22 AM Has it been tuned to suit the higher boost pressure?What model? Link to comment https://www.fordxr6turbo.com/forum/topic/79973-boost-causing-serious-backfiring/#findComment-1230097 Share on other sites More sharing options...
discostig Manual mode ________________________ All day, erryday Donating Members 13,798 Member For: 17y 5m 17d Gender: Male Location: Probably above atmospheric pressure Posted 01/05/12 08:26 AM Share Posted 01/05/12 08:26 AM On 01/05/2012 at 8:18 AM, Periklis said: and more often when the car is still cold..You push it when cold? Nooooooo... Link to comment https://www.fordxr6turbo.com/forum/topic/79973-boost-causing-serious-backfiring/#findComment-1230101 Share on other sites More sharing options...
Periklis Member 67 Member For: 14y 9m 2d Posted 01/05/12 08:27 AM Author Share Posted 01/05/12 08:27 AM 03 ba xr6t 5spd, and its stock as a rock! Link to comment https://www.fordxr6turbo.com/forum/topic/79973-boost-causing-serious-backfiring/#findComment-1230102 Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,332 Member For: 19y 7m 19d Gender: Male Location: Perth Posted 01/05/12 08:30 AM Share Posted 01/05/12 08:30 AM Plugs/coils/valve springs/diff bush.Dont belt it when its cold....... Link to comment https://www.fordxr6turbo.com/forum/topic/79973-boost-causing-serious-backfiring/#findComment-1230105 Share on other sites More sharing options...
Periklis Member 67 Member For: 14y 9m 2d Posted 01/05/12 08:34 AM Author Share Posted 01/05/12 08:34 AM Should any of this come up on the diagnostics though? It went for a service about a month ago, and the diagnostics came up fine.. Link to comment https://www.fordxr6turbo.com/forum/topic/79973-boost-causing-serious-backfiring/#findComment-1230111 Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,332 Member For: 19y 7m 19d Gender: Male Location: Perth Posted 01/05/12 08:37 AM Share Posted 01/05/12 08:37 AM Nope. Possibly see a missfire code, but unless it was missing at the time, i doubt they would chase it up Link to comment https://www.fordxr6turbo.com/forum/topic/79973-boost-causing-serious-backfiring/#findComment-1230115 Share on other sites More sharing options...
Pazzo Donating Members 11,132 Member For: 14y 6m 20d Gender: Male Posted 01/05/12 08:38 AM Share Posted 01/05/12 08:38 AM Could it be a overboost condition? OP does your car feel like it has more power? Link to comment https://www.fordxr6turbo.com/forum/topic/79973-boost-causing-serious-backfiring/#findComment-1230117 Share on other sites More sharing options...
Periklis Member 67 Member For: 14y 9m 2d Posted 01/05/12 02:10 PM Author Share Posted 01/05/12 02:10 PM no same sort of power, doesnt happen all the time, but when it does it really struggles to wind boost without backfiring in 1st and 2nd.. 1 Link to comment https://www.fordxr6turbo.com/forum/topic/79973-boost-causing-serious-backfiring/#findComment-1230299 Share on other sites More sharing options...
Periklis Member 67 Member For: 14y 9m 2d Posted 20/04/13 12:30 PM Author Share Posted 20/04/13 12:30 PM car has started doing it again.. ive seen afew threads with same problem but no solutions?? anyone with any ideas? Link to comment https://www.fordxr6turbo.com/forum/topic/79973-boost-causing-serious-backfiring/#findComment-1382294 Share on other sites More sharing options...
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