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A few new measures and developments...
These M-Jetronic ECU's have a "fuel quality" plug. Pretty much 5 different maps for fuel and ignition based on the plug.
If you google 'craig's place fuel plug' the first link should be a page that shows and explains it well enough. I can't post the link.
Surprisingly, my car had no plug in, or wire, so was running '100ron'. Swapped it to 95ron and instantly had a better car. Started faster, pulled better at low revs but worse at 3K+.
Fuel so far.
7.5L/100 mostly highway for one day.
Full tank normal driving town and highway. Averages have been taken after 400km.
9.5l/100 [100ron plug]
9L/100 --- [100ron plug]
8.4L/100 ---100km at 100ron, 100km at 95ron and 200km at 91ron.
While on 95ron I also had a about 15~20minutes of thrashing through local pine forrests... So a pretty impressive average!
Currently on 91ron. This week/tank I have been driving regularly, slow and gentle, and have noticed already in the first 1/4 tank I have got 30km better than any tank so far. I have also noticed the car seems to drive super gutless and has a 'miss' at low revs under load while cold. Maybe the owner took the plug out to resolve that 'miss'.
Keen to see my results at the end of the week.
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