Update
Cleaned the MAF. Recalibrated the ECU. Still erratic idle and problems when not under load. Goes well when it got higher revs.
Cel comes back on after a few km. It idles on about 800 when Cold, 1200 hot.
New search for vaacum leaks. None found.
If I disconnect the MAF when it idles it immediately stops.
Also opened the oil filler cap when it was idling. Not difficult to open. But some suction there. The idle jumped up to 1500 With the cap open.
Will change fuel filter tomorrow, just in case.
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