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Re: Toyota Help understanding 02 heater circuit ground
Posted to Technical Theory Forum on 2/8/2010

Hi All.

Just an update. I had her recheck her steps today to make sure of what she had tested so far.

She blew the 15 amp EFI fuse after the relay and then car wouldn't start. Took most of her 2 hours to get that figured out and fixed so don't know anythin... Login to read more.