Xr6 boost Member 8 Member For: 12y 2m 13d Gender: Male Posted 29/09/12 11:43 AM Share Posted 29/09/12 11:43 AM When boosting it more then 4000rpm my car back fires and power cuts in and out. when I look at the air/fuel gauge when putting my foot down it goes straight to lean. Recently had car tuned but since have changed dump pipe could this be the problem?? Link to comment Share on other sites More sharing options...
Kosij Donating Members 2,045 Member For: 13y 28d Gender: Male Posted 29/09/12 11:48 AM Share Posted 29/09/12 11:48 AM (edited) YES! Dump pipe = touch up tune! You will fark it if you keep going! No doubt boost is off the chart!!! Edited 29/09/12 11:48 AM by Kosij Link to comment Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 3m 11d Gender: Male Location: @ my laptop Posted 29/09/12 10:58 PM Share Posted 29/09/12 10:58 PM any changes to air flow are going to require adjustments, a miss fire will also show as a lean or even too rich can show as lean on a gauge 1 Link to comment Share on other sites More sharing options...
sexual harrassment panda I see a red door and I want to paint it black Donating Members 5,919 Member For: 14y 10m 13d Gender: Male Location: Far north queensland Posted 29/09/12 11:11 PM Share Posted 29/09/12 11:11 PM Mick, Interested to know how too rich can show as lean on a gauge? Link to comment Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 3m 11d Gender: Male Location: @ my laptop Posted 29/09/12 11:13 PM Share Posted 29/09/12 11:13 PM too rich too cause a missfire will show as lean when being tested by an 02 sensor Link to comment Share on other sites More sharing options...
sexual harrassment panda I see a red door and I want to paint it black Donating Members 5,919 Member For: 14y 10m 13d Gender: Male Location: Far north queensland Posted 29/09/12 11:18 PM Share Posted 29/09/12 11:18 PM thanks Link to comment Share on other sites More sharing options...
Xr6 boost Member 8 Member For: 12y 2m 13d Gender: Male Posted 30/09/12 11:19 AM Author Share Posted 30/09/12 11:19 AM Thanks fellas for the advice ill change it back to 3,5inch split dump pipe and will let you know how it goes Link to comment Share on other sites More sharing options...
TXR05 Member 181 Member For: 13y 2m 24d Gender: Male Location: Brisbane QLD Posted 01/10/12 02:27 AM Share Posted 01/10/12 02:27 AM How do you install an afr Link to comment Share on other sites More sharing options...
Xr6 boost Member 8 Member For: 12y 2m 13d Gender: Male Posted 01/10/12 03:48 AM Author Share Posted 01/10/12 03:48 AM Been to long since I done mine but you got 3 wires 1 goes to the 02sensor other 1 goes to ignition and the other 1 goes to a good earth. Just double check with that Link to comment Share on other sites More sharing options...
SuckSqueezeBangBlow ʎǝʞuoɯ ɹoıuǝs Donating Members 1,808 Member For: 15y 8m 22d Gender: Male Posted 01/10/12 10:31 AM Share Posted 01/10/12 10:31 AM that's a narrowband gauge which is not very useful. Link to comment Share on other sites More sharing options...
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