bodhi03 New Member 15 Member For: 3y 6m 5d Posted 03/08/23 08:37 AM Share Posted 03/08/23 08:37 AM Hello all, I have a bf xr6 turbo that currently has a pretty bad misfire in cylinder 1, and im completely unsure of what it may be. I have replaced the spark plugs and coil pack however made no difference. Its really bad on a cold start idle, but when it warms up its a little better. After around 2-2.5k revs cyl 1 cuts back in, and I also have no problems with temp so head gasket feels ruled out. If anyone has any suggestions please let me know Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 16,247 Member For: 10y 2m 6d Gender: Male Location: South Australia Posted 03/08/23 09:10 AM Share Posted 03/08/23 09:10 AM Has the car been tuned? Link to comment Share on other sites More sharing options...
bodhi03 New Member 15 Member For: 3y 6m 5d Posted 03/08/23 09:22 AM Author Share Posted 03/08/23 09:22 AM it has yeah, back in 2018 Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 16,247 Member For: 10y 2m 6d Gender: Male Location: South Australia Posted 03/08/23 10:21 AM Share Posted 03/08/23 10:21 AM How long has the misfire been there? Did it happen all of a sudden? Is there any more info regarding things that happened around the time it appeared? Link to comment Share on other sites More sharing options...
bodhi03 New Member 15 Member For: 3y 6m 5d Posted 03/08/23 10:23 AM Author Share Posted 03/08/23 10:23 AM it was pretty sudden, however its been like this for a good few months now. I can’t really think of any events up towards it Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 16,247 Member For: 10y 2m 6d Gender: Male Location: South Australia Posted 03/08/23 10:26 AM Share Posted 03/08/23 10:26 AM When you get a chance, pull the oil cap off while it's running to see how much blow-by there is and if it is irregular. Link to comment Share on other sites More sharing options...
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