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whoosh.....stutter........CheckEngineLight! [fixed pg5]

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bacillus:

--- Quote from: john_o on November 28, 2008, 10:44:55 am ---But thats because standard map only ever requests 110bar max.
Its that additional headroom (which should be available) that it just wont give.........


--- End quote ---
Can I assume you have an uprated HPFP with APR pump specific software?

john_o:
nope, std pump which should deliver 130bar. (which to be fair it does at lower rpm) , thats why a swap was attempted.
Adding a HPFP has been considered but a) I shouldnt need it and b) it may not even help
(still cant believe it pulled 320bhp @ prosport!) but time will tell.
Ironically some maps request less fuel pressure (and allow AFR to lean and EGR to raise above recomended limits), so on those I may not have had a problem!

John

gazbutS3:
Strange this, is it the same map they used on my ED30 do you know John, that ran great on the stock pump, doesn't help you I know :smiley:

sibart:
I know this may be of no consolation but I had exactly the same problem on my Octy (REVO).
Tried all sorts including extra ground wires to the coil packs. Its an tuning industry wide problem.The fault eventually cleared itself on my car???????. Revo had it on there Demo Seat which went when they changed the exhaust so i'm told.
It really is a puzzle of which no-one has found a defined answer.

RedRobin:

--- Quote from: sibart on November 28, 2008, 05:11:56 pm ---
It really is a puzzle of which no-one has found a defined answer.

--- End quote ---

....Those are the worst kind of faults!

Btw, your ex K03 turbo is holding out and delivering very well indeed so far!

Thanks :happy2:

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