Do you have the air flow sensor wired correctly?
Here are the colours of the wires and their functions on my MX83 GRANDE loom plugs from 7MGE motor to underdash plugs
White plug
yellow with brown spots___________ speedo speed sensor
brown _________________________ speedo speed sensor [make sure you earth this one]
yellow_________________________ temp sensor
black__________________________ tacho
yellow/blue _____________________ oil pressure switch
red/green [2] __________________ reverse
green__________________________ park
red ___________________________ neutral
blue___________________________ drive
light green______________________ 2
pink __________________________ L
Square grey plug
small black/white _______________ AC clutch
blue/red_______________________ FP diags
black/red _____________________ +B diags
red/black _____________________ 12v supply for speed sensor etc
big black______________________ nsw
big black/white _______________ nsw from start relay
light green ____________________ goes to purple/white in other grey plug
green with spots _______________ tccs diode
green/white ___________________ stop light switch
big black/yellow________________ power from ignition
small black/yellow _____________ solenoid 2 in transmission to cruise control ecu
green________________________ from airflow for circuit opening relay
black _______________________ from temp sensor on water inlet to start injector
Rectangular grey plug
pink__________ _______________ TE1 diags
brown/black __________________ earth
pink/green__________ _________ TE2 diags
grey________________________ VF1 diags
purple/white__________________ goes to pink. and light green in other grey plug
grey/green___________________ brown wire on abs sensor
pink/blue ____________________ grey wire on abs sensor
purple ______________________ blue wire on abs sensor
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