O2 sensor circuit (lean exhaust)
1) O2 sensor defective or lead shorted
2) Lean injectors (dirty or blocked)
3) Water in fuel
4) Exhaust leaks upstream of O2 sensor
5) Fuel pressure or volume too low
6) MAF sensor reading lower airflow than is actually present
7) Vacuum leaks
8) Incorrect or poorly calibrated PROM
Fault in EGR Diagnostics
code 26/quad driver module fault. I have a vibration when I acceleration at times. What is the cause? I have a 1990 oldsmobile cutlass cierra, 3.3 liter V6 engine. The engine light comes on and off. what is the possible cause?
Poo69,po299,poo98,po472 what do these codes mean 2005 f-350 6.0 liter
Code 113 is a fuel injector fault code
engine fault code p1607
OBD P0645 indicates a fault in the A/C clutch relay.OBD P0645 indicates a fault in the A/C clutch relay.
92 XJS 5.3Ltr Engine code 8s Fault code FF14 Engine Coolant Temprature (ECT) Sensor fault.
Fault code P2509 indicates a powertrain ECM PCM internal engine off timer performance issue. This code may be triggered when the ECM detects a fault in the engine off time period calculation. It is recommended to diagnose and resolve the underlying issue causing this fault code to be triggered.
Trouble code P1258 means: Engine Metal Over Temperature Protection
Fuel Fault code 89 translates to "Purge valve circuit. Looks at voltage across purge valve winding to detect open or short circuit."
hard fault code What is a hard fault code?
Engine check urgently