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(#1)
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High load misfires problems. Help! -
07-05-2017, 04:32 AM
FBO 135i n55 DCT on a wedge Performance tune. Getting misfires under high load. Happening on cylinders 1, 3, 4, and 5. Brand new coil packs and brand new OE plugs. Fuel rail pressure staying above 2k psi. One log showed 1940psi(lowest it got). Does it on pump tune and 96 octane race fuel blend tune. Ran 100 octane through it to see if it was ****ty fuel and same misfires. Any ideas?
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(#2)
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07-05-2017, 07:45 AM
Post a JB4 CSV log. Ideally 3rd or 4th gear - start at 2500, go WOT until redline..
JB4 | BMS OCC | N20 TMap | Fuel-It! PI | AIC6 PI Controller | Fuel-It! Fuel Lines | Fuel-It! Stage 2 LPFP | Continental In-line E Sensor | ER Charge Pipe | Pure Stage 2 Turbo | Pure High Flow Inlet | GFB DV+ | Richter C'less D/Pipe | Berk Race Full Exhaust | MFactory Pro Helical LSD (75% Bias Ratio) | eDiff Disabled Via Coding | MFactory Solid Diff Bushes | Diff Lockdown Bracket | Custom 98G0B BEF | NGK 5992s | KW3 Coilovers
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(#4)
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07-08-2017, 11:34 PM
Quote:
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(#5)
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07-13-2017, 07:35 AM
Did Wedge give any ideas on what he thought may be the issue? Could be the fly wheel causing problems. DCTs have seen misfires resolved by upgrading to the M4 flywheel. MFactory is supposed to be releasing a kit as well.
Every once in a while I will see a high load misfire as well, and I believe this is my issue. Pure stage 2 Wedge tuned E30. You being just being FBO, it may not be the same issue.
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