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1989 Chevrolet G20 Chevy Van 5.7L Hesitation, Cuts out, Stall
Posted to GM Driveability on 7/13/2004 15 Replies

egr valve seems to open prematurely just off idle in neutral causing stumble , what controls this egr systems opening if we diconnect the vacuum to egr it runs fine

15 Replies Received (View Replies)

  Related Documents & Media  1989 Chevrolet G20 Chevy Van

 
Message Closed w/FIX

car Vehicle Data

1989 Chevrolet G20 Chevy Van

VIN 1GBEG25K6K
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsHesitation, Cuts Out, Stall
OccursOn Accel, Intermittently, in Neutral Just Off Idle

Trouble Codes

13o2 sensor
33map sensor signal high
44lean exhaust
Message Closed w/FIX

car Vehicle Data

1989 Chevrolet G20 Chevy Van

VIN 1GBEG25K6K
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsHesitation, Cuts Out, Stall
OccursOn Accel, Intermittently, in Neutral Just Off Idle

Trouble Codes

13o2 sensor
33map sensor signal high
44lean exhaust