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Old 28 October 2012, 05:19 PM
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rossbrown316
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Default fmic fitted now misfiring

i have just fitted the fmic and tried going round the block but it seemed rough and was misfiring.

has anyone experienced this?

thanks
Old 28 October 2012, 05:25 PM
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tubbytommy
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Originally Posted by rossbrown316
i have just fitted the fmic and tried going round the block but it seemed rough and was misfiring.

has anyone experienced this?

thanks
dont fit parts like this without a remap or your engine will go booooooooooooooooommmmmmm!!!!!
Old 28 October 2012, 05:37 PM
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rossbrown316
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thanks for your help i might take it off for now and save the pennies for a remap
Old 28 October 2012, 05:43 PM
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blackvenom
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Originally Posted by tubbytommy
dont fit parts like this without a remap or your engine will go booooooooooooooooommmmmmm!!!!!
What he said
Old 28 October 2012, 05:44 PM
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blackvenom
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Tho these must have been a boost leak
Old 28 October 2012, 05:45 PM
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tubbytommy
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Originally Posted by blackvenom
Tho these must have been a boost leak
this is true but either way it will need mapping.
if it made the sound of a baloon going down this is boost leaking

Last edited by tubbytommy; 28 October 2012 at 05:48 PM.
Old 28 October 2012, 05:51 PM
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KAS35RSTI
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Sounds like a boost leak. I take it you have a MAF?

Re check all the pipework & make sure everything is connected properly. You should not get any hesitation after fitting a FMIC. Regardless of remap.
Old 28 October 2012, 06:24 PM
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rossbrown316
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it still has the maf and will it 100% need a remap?
Old 28 October 2012, 06:25 PM
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Originally Posted by rossbrown316
it still has the maf and will it 100% need a remap?
for the last time

YES IT NEEDS A REMAP
Old 28 October 2012, 06:38 PM
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jayallen
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What year is the car?
Old 28 October 2012, 06:48 PM
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rossbrown316
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its 2004 and i will get a remap soon

thanks for you help
Old 28 October 2012, 07:15 PM
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JohnD
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Originally Posted by rossbrown316
its 2004 and i will get a remap soon

thanks for you help
Mine ran perfectly well after the FMIC instal. I never used a lot of throttle but it ran and boosted fine although laggier than before. I kept an eye on the KS3 knock meter and if anything was less active than before!
It's now got a bigger turbo and mapped.
If it was misfiring, there must be a problem somewhere.

JohnD
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