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2003 Chevrolet Suburban 1500 LS 5.3L Hard start
Posted to GM Driveability on 10/11/2014 42 Replies

Seems like fuel system is losing prime. No fuel leaking from regulator vacuum line and line is OK. Vehicle does have massive amount of miles on it. Did not know why the vehicle seems to be losing pump prime in a short period of time. I do not know if the EVAP ...

42 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Suburban 1500 LS

 
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Suburban 1500 LS

VIN 8GNFK16Z53
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHard Start
Occurs5 Minutes After Shutting Off Engine.

Trouble Codes

P0496EVAP Canister System High Purge Flow
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Suburban 1500 LS

VIN 8GNFK16Z53
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHard Start
Occurs5 Minutes After Shutting Off Engine.

Trouble Codes

P0496EVAP Canister System High Purge Flow