P0455 HONDA EVAP System Large Leak Detected

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 P0455 it

P0456 HONDA EVAP System Large Leak Detected

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– Evaporative Emission (EVAP) canister or fuel tank leaks– Evaporative Emission (EVAP) system hose leaking– Fuel tank leaking When is the obd code mean? Evaporative Emission (EVAP)…

P1171 HONDA Fuel System Lean During Acceleration

Possible causes – Plugged fuel filter or low fuel pressure– Faulty or dirty Mass Air Flow sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) HONDA Related P1171 code 1998 HONDA PASSPORT Vehicle Speed Control:cruise Control 1999 HONDA PASSPORT Vehicle Speed Control:cruise Control 2000 HONDA PASSPORT Vehicle Speed Control:cruise Control

P1644 HONDA MOTFSA Motor Control Module Signal Malfunction

Possible causes – Poor connection at the AC motor control module – Open or short circuit condition – Failed AC Motor Control Module When is the obd code mean? No duty signals are input from the MCM for at least 5 seconds. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1644 HONDA…

P0780 HONDA Shift Control System Fault

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shifting solenoid valve– Shifting solenoid valve harness is open or shorted– Shifting solenoid valve circuit poor electrical connection When is the obd code mean? The P0780 codes is detected when no rotation change occurs between input (turbine revolution sensor) and output (revolution sensor) and…

P0740 HONDA Transmission Lock-Up Control System Fault

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 Tech description On some Honda vehicles the P0740 code may be set by an overheating torque converter problem which is…

P0741 HONDA Torque Converter Clutch Hydraulic Circuit Stuck Off

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness or connectors– Torque converter clutch solenoid valve circuit is open or shorted– Transmission internal mechanical problem When is the obd code mean? Lock-up does not occur when driving in lock-up range or lockup…

P0731 HONDA Problem In 1st Clutch And 1st Clutch Hydraulic Circuit

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 HONDA Problem In 3rd Clutch And 3rd Clutch Hydraulic Circuit

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 3nd gear position even…

P0734 HONDA Problem In 4th Clutch And 4th Clutch Hydraulic Circuit

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? P0734 is detected when A/T cannot be shifted to the 4th gear position even…