Mechanical, Exhaust & Performance/Tuning
I’ve read a few similar threads and they’ve been pretty useful, but would love some help please.
It’s a Corsa b 1.2 16V X-reg, done about 55k. Had from 40k and ran so sweetly.
Recently developed a misfire under load, around 3-4k revs. Idles absolutely fine. In neutral will rev right through...