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1999 GMC Savana 3500 5.7L Hesitation, Surge, Misfire, Poor Fuel Economy
Posted to GM Driveability on 4/14/2011 12 Replies

The truck drives fine until at some point after it is warmed up...it can be 100 miles later on a trip, it loses power. Vin R Vortec 5.7

Engine was rebuilt by another shop due to a bad intake leak.

This problem happened before the rebuild and after.

They tol...

12 Replies Received (View Replies)

  Related Documents & Media  1999 GMC Savana 3500

 
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car Vehicle Data

1999 GMC Savana 3500

VIN 1GBJG31RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Vortec
EmissionsOBD-II Compliant
SymptomsHesitation, Surge, Misfire, Poor Fuel Economy
OccursUnder Load, Intermittently
Misc.Cut Away Van, Box Truck

Trouble Codes

P0339CKP Sensor ‘A’ Circuit Intermittent Signal
Message Closed

car Vehicle Data

1999 GMC Savana 3500

VIN 1GBJG31RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Vortec
EmissionsOBD-II Compliant
SymptomsHesitation, Surge, Misfire, Poor Fuel Economy
OccursUnder Load, Intermittently
Misc.Cut Away Van, Box Truck

Trouble Codes

P0339CKP Sensor ‘A’ Circuit Intermittent Signal