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International Automotive Technicians Network
2010 Chevrolet Express 3500 6.0L Hard Start
Posted to GM Driveability on 12/10/2012 14 Replies

After fueling van it hard starts, (long crank time). If you disconnect purge line problem goes away. This only happens after you put gas in tank. Started getting evap codes before this problem came about. This van does have 300000 miles on it. When you run eva...

14 Replies Received (View Replies)

  Related Documents & Media  2010 Chevrolet Express 3500

 
Message Closed w/FIX

car Vehicle Data

2010 Chevrolet Express 3500

VIN [No VIN Available]
Engine6.0 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHard Start
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
P0496EVAP Canister System High Purge Flow
Message Closed w/FIX

car Vehicle Data

2010 Chevrolet Express 3500

VIN [No VIN Available]
Engine6.0 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHard Start
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
P0496EVAP Canister System High Purge Flow