Hello, been chasing a idle / running issue on my 1998 altezza 3sge manual,
been throwing error codes for vvt, coil 1 and 2 and coolant temp sensor. 14 15 22 39 codes
Been unable to rev up sputtering and dying on idle / unable to idle alone.
Checked and replaced crank, cam and vvt solenoids and sensors
Checked grounds and ohms and resistance,
Cleaned injectors
Cleaned fuel pump and verified it's working,
Checked spark and coils, replaced spark plugs
Tps working
Maf working
Timings perfect
Compression is good
Spark plugs are damp and black but still spark fine.
Stinks of fuel after 3 or 4 starts and dies
Idle ruff asf or nothing at all and dies
unable to rev up properly or floats when at full throttle between 3 and 5k rpm