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Re: Engine temperature too low for closed loop
Posted to Technical Discussion Forum on 2/6/2020 19 Replies

Hi Louie, I haven't run across this before, but in looking at the service info, it looks like this code has more to do with the air fuel ratio sensor heater. The header does lead one to believe it involves coolant temp, but the diag is all about a/f sensor hea... Login to read more.

19 Replies Received (View Replies)