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2000 GMC Sonoma SL 2.2L MIL Lamp on
Posted to GM Driveability on 7/14/2007 6 Replies

This customer has a problem with his service engine soon light coming on and we found, on two different occasions, codes P0178 & P0179. These codes are new to us because it is only for Flex Fuel models and they are not common around here yet. We priced out a n...

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Message Closed w/Summary

car Vehicle Data

2000 GMC Sonoma SL

VIN 1GTCS1959Y
Engine2.2 L / 4 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0179Flexible Fuel Sensor Signal Circuit High Voltage
P1078Intake Manifold Runner Control System (High RPM) Malfunction
Message Closed w/Summary

car Vehicle Data

2000 GMC Sonoma SL

VIN 1GTCS1959Y
Engine2.2 L / 4 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0179Flexible Fuel Sensor Signal Circuit High Voltage
P1078Intake Manifold Runner Control System (High RPM) Malfunction