Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Fuel Rail / System Pressure - Too High (P008800). Mass or Volume Air Flow Sensor "A" Circuit Short to Battery (P010012,P010014). Mass or Volume Air Flow Sensor "A" Signal Plausibility Failure (P010064
Fuel Rail / System Pressure - Too High (P008800) DESCRIPTION Refer to DTC P008700. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P008800 Fuel Rail / System Pressure - Too High Although the ECM is requesting the fuel pump assembly (for high pressure side) to o ...