Hot answers tagged evap
P1128 code tells you that the engine is running too weak under steady cruising when the EVAP system is checked by the ECU. You need to have an EVAP test to make sure where the fault lies. The fuel tank cap, EVAP vent, purge valves, O2 sensor, exhaust leak, MAP sensor and MAF sensor can all 'fool' the ECU into this code. Remember that the fault codes are what ...
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