Fuel System Open Loop Due To Insufficient Temperature. the engine runs in open loop when first started, before the oxygen sensors come up to operating temperature. hard start (must give it gas), stalls after firing unless i hold the pedal for 1/2 minute or so until it will idle on it's own. then found the fuel system status to be stuck in open loop. if the coolant temperature sensor is bad the coolant is actually getting up to temperature but the sensor isn't relaying. the fuel system 1 ol fault occurs when the control system does not switch from an open to a closed loop as the engine temperature rises, preventing the system from making correct fuel adjustments and causing your engine to run rich. the p0125 code indicates a problem in the cooling system, likely with the engine coolant temperature (ect) sensor. Was also getting disa codes, because the auto. how to troubleshoot a fuel system 1 ol fault. It could be one or more of the following problems:. In simple terms, this fault occurs when the engine control module (ecm) continues to operate in an.
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Was also getting disa codes, because the auto. It could be one or more of the following problems:. how to troubleshoot a fuel system 1 ol fault. then found the fuel system status to be stuck in open loop. In simple terms, this fault occurs when the engine control module (ecm) continues to operate in an. hard start (must give it gas), stalls after firing unless i hold the pedal for 1/2 minute or so until it will idle on it's own. the engine runs in open loop when first started, before the oxygen sensors come up to operating temperature. the p0125 code indicates a problem in the cooling system, likely with the engine coolant temperature (ect) sensor. the fuel system 1 ol fault occurs when the control system does not switch from an open to a closed loop as the engine temperature rises, preventing the system from making correct fuel adjustments and causing your engine to run rich. if the coolant temperature sensor is bad the coolant is actually getting up to temperature but the sensor isn't relaying.
Closed Loop Vs Open Loop Fuel System
Fuel System Open Loop Due To Insufficient Temperature It could be one or more of the following problems:. the fuel system 1 ol fault occurs when the control system does not switch from an open to a closed loop as the engine temperature rises, preventing the system from making correct fuel adjustments and causing your engine to run rich. how to troubleshoot a fuel system 1 ol fault. the engine runs in open loop when first started, before the oxygen sensors come up to operating temperature. In simple terms, this fault occurs when the engine control module (ecm) continues to operate in an. if the coolant temperature sensor is bad the coolant is actually getting up to temperature but the sensor isn't relaying. Was also getting disa codes, because the auto. the p0125 code indicates a problem in the cooling system, likely with the engine coolant temperature (ect) sensor. then found the fuel system status to be stuck in open loop. It could be one or more of the following problems:. hard start (must give it gas), stalls after firing unless i hold the pedal for 1/2 minute or so until it will idle on it's own.
