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2001 GMC Sonoma SL 2.2L MIL Lamp on
Posted to GM Driveability on 10/19/2004 2 Replies

Vehicle came in with P0178 P0179. Ran trouble tree and came down to replacement of FCS sensor approx 600 coco's. The code P0178 resets hard after 15 secs which is consistant with diagnostic tree info (12.5 secs.) I Have ingition feed, 5 volt, and ground at all...

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  Related Documents & Media  2001 GMC Sonoma SL

 
Message Closed w/FIX

car Vehicle Data

2001 GMC Sonoma SL

VIN 1GTCS14591
Engine2.2 L / 4 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways
Misc.Flex Fuel

Trouble Codes

P0178Flexible Fuel Sensor Signal Circuit Low Voltage
P0179Flexible Fuel Sensor Signal Circuit High Voltage
Message Closed w/FIX

car Vehicle Data

2001 GMC Sonoma SL

VIN 1GTCS14591
Engine2.2 L / 4 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways
Misc.Flex Fuel

Trouble Codes

P0178Flexible Fuel Sensor Signal Circuit Low Voltage
P0179Flexible Fuel Sensor Signal Circuit High Voltage