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International Automotive Technicians Network
1998 GMC Savana 3500 5.7L Poor Fuel Economy, power loss
Posted to GM Driveability on 6/20/2005 8 Replies

Hello fellow tecs, This truck has come to me after the customer replaced the intake manifold gaskets on his own complaining of a loss of power and the exaust manifolds glowing red after a hard pull. ( This hadden't happened in the past ). I first thought inter...

8 Replies Received (View Replies)

  Related Documents & Media  1998 GMC Savana 3500

 
Message Closed w/FIX

car Vehicle Data

1998 GMC Savana 3500

VIN 1GDHG31R6W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / Vortec CSFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy, Power Loss
OccursHot, Under Load
Misc.Box Van
Message Closed w/FIX

car Vehicle Data

1998 GMC Savana 3500

VIN 1GDHG31R6W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / Vortec CSFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy, Power Loss
OccursHot, Under Load
Misc.Box Van