Quote:
Originally Posted by ZHP to B58
Almost at 65k miles now. Just installed the TU HPFP, filled up 100 octane, ran stage 2 HPFP 95 octane map. Feels like a whole different car than when it was on the stock HPFP and stage 2 95 octane map.
Did the install more so because I was misfiring under WOT even with burbles, overrun brap, cold start, and startup roar off. Changing the ignition coils and spark plugs all at the same time didn't fix the issue.
Now it doesn't misfire at all.
Checked the OCC after about 20k miles post-install and it only accumulated about 5 drops of fluid.
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So have you checked logs after to see if the new HPFP fixed the fueling issue?
Also, regarding the extension, its no longer necessary. the b58 fb group cracked the code on it, the power plug can be rotated.
Hopefully the fuel pump fixes it. There's a lot of guys jumping to replace spark plugs and coils because its easier than fuel injectors, but honestly, if you have a fuel injector related issue, hopefully you catch it early on, as long term failure can be catastrophic.