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Thread: P0171 & p0300
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Old 02-09-2021, 07:25 PM
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spartacus spartacus is offline
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Ohm out the injectors to make sure they are in spec. the fsm says 13.8 ohms at 20*C ( 68*F). give or take a couple of ohms less then 12ohms cold or higher then 16 when hot would be a cause for concern. I would look'at the coolant temps when warm too. bad ECT can screw with a fuel trims as well as a stuck open thermostat. All that said, there was a thread on here a while a go where the symptoms were about the same and in the end it was a loose cranck pulley bolt that was the cause.
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