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2003 Chevrolet Tahoe LS 5.3L Hesitation
Posted to GM Driveability on 1/11/2010 10 Replies

I am looking for anybody that has had this code po178 come up before since I do not understand the FCS system well or others that do. Is the sensor in the fuel system/pump or is it regulated by the a/f sensors and is this the actual failure with this code.

An...

10 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Tahoe LS

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Tahoe LS

VIN 1GNEK13Z33
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation
OccursAlways

Trouble Codes

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

car Vehicle Data

2003 Chevrolet Tahoe LS

VIN 1GNEK13Z33
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation
OccursAlways

Trouble Codes

P0178Flexible Fuel Sensor Signal Circuit Low Voltage