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The mkiv Supra Owners Club

Still hitting Fuel Cut - with FCD


GetawayDriver

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Hello,

 

Car has been doing this for a while so i've just been driving about with the boost controller off.

 

If i switch it on it still hits fuel cut. i am running some very reasonable boost settings on my Blitz SBC-iD III and powermeter.

 

i've tried adjusting the pots on the pete betts FCD i have but to no avail - i still hit fuel cut randomly in 4th, 5th and 6-th. sometimes it will boost to 1.2 bar no worries, other times it hits fuel cut at an indicated 0.9 bar.

 

could it be a boost spike that is too quick for the boost controller to pickup, but the ecu can?

 

could something else cause this?

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yeah, def fuel cut - almost always close to the red line.

 

if it did it consistently i'd be able to pin it down, but it's so random i can't think would it could be but a loose conntection or a faulty unit.

 

my SMIC is shagged, i can actually see though it - could that contribute to it? i have a new FMIC to fit, just waiting on the pipe kit.

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