Exhausting my knowledge, misfire issue on 1996 960 wagon.

[Offgrid]

All I can go on is that the plugs when I got the car were virtually new NGKs with a 0.9 gap, and the engine was misfiring. I swopped the plugs for Bosch ones with a 0.8mm gap, and the misfiring vanished. I didn't check the heat rating of the NGKs, and that could have affected the running. If I can find the plugs I saved, then I'll post the type number to ensure that they were suitable. I did do a bit of research, and informed opinion seems to agree that the NGKs should have a gap of 0.7mm because of the construction of the cathode.

[Laird Scooby]

Originally Posted by Offgrid

All I can go on is that the plugs when I got the car were virtually new NGKs with a 0.9 gap, and the engine was misfiring. I swopped the plugs for Bosch ones with a 0.8mm gap, and the misfiring vanished. I didn't check the heat rating of the NGKs, and that could have affected the running. If I can find the plugs I saved, then I'll post the type number to ensure that they were suitable. I did do a bit of research, and informed opinion seems to agree that the NGKs should have a gap of 0.7mm because of the construction of the cathode.

https://www.ngkpartfinder.co.uk/cata...0+SERIES/1994/

https://www.ngkpartfinder.co.uk/cata...ES/1994/14896/

Might have to be signed in to see it all, if so let me know and i'll do a screen shot instead.