Quote:
Originally Posted by braydo
I actually put in a warlbro pump, I'm not running the stock 5sfe pump. With the check engine light not being lit up i think my ecu may be faulty. Is this a possibility?
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ECU could be faulty, not getting power or there could be a problem with the check engine light curcuit ('W' Pin).
Reference page FI-32
1991 MR2 BGB Online - Mechanical - EFI System