2010年7月26日 · P0451 Evaporative Emission Control System Pressure Sensor Range/Performance GM code setting criteria P0451 EVAP System Pressure Sensor Circuit Fault: Engine running at idle speed for at least 2 minutes, ECT sensor input from 158-230°F, IAT input from 14-122°F, BAROMETRIC input more than 75 kPa, fuel tank level 25 …

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2012年1月9日 · P0451 Evaporative Emission Control System Pressure Sensor Range/Performance On our '96 the canister is on the firewall. Newer models have them located near the gas tank IIRC. It has two hoses on top and is vented out the bottom so that is 3 hoses to check as Tofuball points out. You could get a small round magnet and epoxy it to the drain plug?

P0451 - EVAP System Pressure Sensor Performance P0455 - EVAP System Malfunction, Large Leak Detected P0461 - Fuel Level Sensor Circuit Performance Problem P0463 - Fuel Level Sensor Circuit Voltage High P0480 - Radiator Fan Control System Malfunction P0500 - VSS Malfunction P0505 - ISC System Malfunction P0506 - ISC System RPM Lower Than Expected

2012年12月6日 · P0451 - EVAP System Pressure Sensor Performance P0455 - EVAP System Malfunction, Large Leak Detected P0461 - Fuel Level Sensor Circuit Performance Problem P0463 - Fuel Level Sensor Circuit Voltage High P0480 - Radiator Fan Control System Malfunction P0500 - VSS Malfunction P0505 - ISC System Malfunction P0506 - …