2001 GMC Yukon XL 1500 SLT 5.3L MIL Lamp on
tank pressure voltage reads 1.25v when i use my modis to command purge solenoid to 10% or more there is no change to tank pressure voltage. 12v to purge solenoid and opens when control wire is grounded manually. im thinking ecm driver is not grounding control ...
FIX posted 1/25/2014
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Message Closed w/FIX
Vehicle Data2001 GMC Yukon XL 1500 SLT
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2001 GMC Yukon XL 1500 SLT
VIN | 3GKEC16T91 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0440 | EVAP System Leak Detected |
P0443 | EVAP Canister Purge Valve Circuit Malfunction |