what does code C0089 mean Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. C0089 Meaning : C Chassis Code Problem is controller area network wiring bus and modules. 0 SAE - Generic 0 Fuel And Air Metering 8 Exhaust Gas Recirculation System Valve 1 9 Kick-Down Switch Failed Short SAE - Generic codes, which have a '0' as their second digit to indicate they are common to all makes and models of vehicles. Related searches engine code C0089 C0089 fix obd C0089 dtc C0089 obd code C0089 obd2 C0089 C0089 car code diagnostic code C0089 car code C0089 check engine code C0089 fehlercode C0089 C0089 fiat codigo C0089 codigo falla C0089 codigo de falla C0089 que es el codigo C0089 C0089 kody błędów Possible symptoms ABS Warning Light ON Engine Light ON (or Service Engine Soon Warning Light) C0089 Signal Reason : Evaporative emissions systems test for a leak in the fuel tank and associated hoses. To perform the test, the computer pulls a vacuum and checks to see if the vacuum holds. Each car maker uses a different techniques to check, but most often it's some type of fuel tank pressure sensor. C0089 Check List There are possible reasons for C0089 trouble code, so you should check this problems step-by-step. Injector Circuit Malfunction - Cylinders Crankshaft Position Sensor A Circuit Malfunction Reverse Input Circuit C0089 Possible causes Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC will set. A/C system mechanical failure Open ACP or VREF circuit A/C sensor damaged A/C system electrical failure A/C clutch always engaged Verify A/C system function, including refrigerant charge.