P0178 Diagnostic Trouble Code Discussion for September 2007
Fuel Composition Sensor Low Frequency
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0178
| Help Request | Posted | |
| 2003 Chevrolet S10 2.2L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 1GCCS14H43 P0178: Fuel Composition Sensor Circuit Low Voltage. I have tried to find info about this sensor in Alldata and Mitchell. I can not find any info on it. When I look at scan data, I see upstream O2 at 0 mv, short term srat at 45%, long term at 0 % and running so rich that it leaves a black spot on concrete. New P... |
September 30, 2007 |
