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just upgraded to stage 3 BUT got a missfire now

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Old 01-01-2007, 04:21 PM
  #1  
Roosie
500bhp Cosworth in making
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Default just upgraded to stage 3 BUT got a missfire now

right was running stage 1 with yellows today i put a stage 3 chip in for l6,greens.
i fitted a set of greens with are used but told there in gwo there is no leaks from inlet.

i havent yet fitted a 3bar yet but i only just started the cosworth (dont worry i wernt going to drive in untill i have 3 bar) but on idle it has a missfire. would this be because it aint got a 3 bar fitted yet? i thought it would still be ok on idle
Old 01-01-2007, 04:22 PM
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Jim Galbally
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having the wrong map sensor fitted will completely cock it up.

the ECU is getting told the WRONG values
Old 01-01-2007, 04:23 PM
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Jim Galbally
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infact, your ECU probably thinks you're actually on boost
Old 01-01-2007, 04:27 PM
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pete mcrash
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i dont think u should be doing this ur self.....lol....
Old 01-01-2007, 04:38 PM
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Roosie
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ive done this before im sure just starting it for 30secs aint going to kill it
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