P1456 INFINITI Evaporative Emission Control System Leak Detected Small Leak

Possible causes – Missing Fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– Incorrect fuel tank vacuum relief valve– Leak is in line between intake manifold and EVAP canister purge volume control solenoid valve. Tech description Usually loose or bad fuel…

P0446 INFINITI Evaporative System Canister Vent Control Valve Circuit

Possible causes – Missing Fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– Vent control valve harness is open or shorted– Vent control valve circuit poor electrical connection– Faulty vent control valve Tech description Before replacing any parts, try re-tighten the…

P0442 INFINITI EVAP Control System Leak Detected Small Leak

Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap – EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel tank leaking Tech description The fuel tank filler cap and the Purge Volume Control…

P1441 INFINITI Evaporative Emission Control System Very Small Leak

Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel tank leaking Tech description The fuel tank filler cap and the Purge Volume Control Valve…

P0740 INFINITI Torque Converter Clutch Solenoid Valve

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness is open or shorted– Torque converter clutch solenoid valve circuit poor electrical connection When is the obd code mean? Diagnostic trouble code P0740 is detected when TCM detects an improper voltage drop when…

P0731 INFINITI 1st. Gear Malfunction

Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech description Start by inspecting the transmission fluid level and condition, and change fluid if necessary. When is the obd code mean? P0731 is detected when A/T cannot be shifted to the 1st gear position even…

P0733 INFINITI 3rd. Gear Malfunction

Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech description Start by inspecting the transmission fluid level and condition, and change fluid if necessary. When is the obd code mean? P0733 is detected when A/T cannot be shifted to the 3rd gear position even…

P0755 INFINITI Shift Control Solenoid B Malfunction

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘B’ valve– Shift solenoid ‘B’ valve harness is open or shorted– Shift solenoid ‘B’ valve circuit poor electrical connection Tech description When the a transmission solenoid is malfunction, in most cases the problem is not the electrical part of the solenoid; the…

P0762 INFINITI Shift Solenoid Valve C Stuck On

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘C’ valve– Shift solenoid ‘C’ valve harness or connectors– Shift solenoid ‘C’ valve circuit is open or shorted Tech description When the a transmission solenoid is stuck on, in most cases the problem is not the electrical part of the solenoid; the…

P0760 INFINITI Shift Solenoid Valve C Malfunction

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘C’ valve– Shift solenoid ‘C’ valve harness or connectors– Shift solenoid ‘C’ valve circuit is open or shorted When is the obd code mean? The P0760 code is detected when the TCM detects an improper voltage drop when it tries to operate…