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1992 GMC Sonoma SLE 4.3L Lacks Power
Posted to GM Driveability on 1/18/2000

The cust originally thought that this was a transmission problem, however, my test drive confirmed a lack of power. Road testing with scanner, I determined that O2 was switching slowly, and MAP was not to my liking. New parts repaired those concerns. Howev...

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Message Closed w/FIX

car Vehicle Data

1992 GMC Sonoma SLE

VIN 1GDCS14W0N
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Central Port Injection
EmissionsOBD-I
SymptomsLacks Power
OccursAlways, Hot, Cruise, Light Accell
Message Closed w/FIX

car Vehicle Data

1992 GMC Sonoma SLE

VIN 1GDCS14W0N
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Central Port Injection
EmissionsOBD-I
SymptomsLacks Power
OccursAlways, Hot, Cruise, Light Accell