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2001 GMC Yukon XL 1500 SLT 5.3L MIL Lamp on
Posted to GM Driveability on 1/24/2014 6 Replies

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 ...

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  Related Documents & Media  2001 GMC Yukon XL 1500 SLT

 
Message Closed w/FIX

car Vehicle Data

2001 GMC Yukon XL 1500 SLT

VIN 3GKEC16T91
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0440EVAP System Leak Detected
P0443EVAP Canister Purge Valve Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

2001 GMC Yukon XL 1500 SLT

VIN 3GKEC16T91
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0440EVAP System Leak Detected
P0443EVAP Canister Purge Valve Circuit Malfunction