car:
99 odd2b ek hatch
with obd1 b18c
running P2t ecu.

problem:
code 41(Primary oxygen sensor heater).
stop hitting vtec
and runs very rough.


should the car be bonging and running rough without the(Primary oxygen sensor heater)????

 

no, the heater is just for startup. get the o2 to operating temp.

you need to ditch that ecu. i have a p72 for sale. PM me

 

ill try another ecu