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2004 Chevrolet Express 3500 6.0L Surge, Stall
Posted to GM Driveability on 7/8/2009 9 Replies

Van stalls intermittently,mostly on start up. Sometimes idle races upon start up. Checked for vac. leaks,found [...] not have a smoke machine.(still think i have an intake leak just can't prove it) Tested fuel pressure all ok,also holds steady with key [...] p...

9 Replies Received (View Replies)

  Related Documents & Media  2004 Chevrolet Express 3500

 
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Express 3500

VIN 1GCHG35U54
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mutiport
EmissionsOBD-II Compliant
SymptomsSurge, Stall
OccursIntermittently

Trouble Codes

P0506Idle Speed Control System Lower Than Expected
P0507Idle Speed Control System Higher Than Expected
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Express 3500

VIN 1GCHG35U54
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mutiport
EmissionsOBD-II Compliant
SymptomsSurge, Stall
OccursIntermittently

Trouble Codes

P0506Idle Speed Control System Lower Than Expected
P0507Idle Speed Control System Higher Than Expected