Trouble code P0123 means:Throttle/pedal position sensor/switch A circuit high input
6 Quarts with filter change.
The eighth digit in the VIN (Vehicle Identification Number) is the engine code.
The Ford diagnostic code 316 is a misfire detected at engine start up.
motorcraft.com shows : for a 1985 Ford Midsize LTD - V8 - 302 (5.0 L ) " M " engine code ( .044 inch ) " F " engine code ( .050 inch ) engine code is 8th " character " of VIN
engine misfire
8th " character " of your VIN
Drivers side o2 sensor
Diagnose the problem and fix it
The 1967 Ford Thunderbird was equipped with two different V8's. The 390 V8 315 H.P. was the standard engine. It is engine code Z. The 428 V8 345 H.P. was the optional engine. It is engine code Q.
Code 173 indicates the oxygen sensor is telling the computer that the engine is running rich.
An engine cylinder misfire has been detected in the # 3 engine cylinder
For engine error code, it means EGR valve/solenoid malfunction