
2003 Chevrolet Silverado 1500 4.3L Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on
This truck has me stumped!!!! O2 Sensors installed but vehicle misfires after 5-10 miles and FT%/ST% above threshholds after driving. O2's flatline and system dumping fuel due to lean condition. Inspected spider assy with fuel pump running and no detectable le...
FIX posted 11/19/2011
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Message Closed w/Summary
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VIN | 1GCEK14X33 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection / Spider system |
Emissions | OBD-II Compliant |
Symptoms | Hesitation, Misfire, Poor Fuel Economy, MIL Lamp On |
Occurs | After a Hot Soak |
Misc. | Manual Transmission |
Trouble Codes
P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage |
P0174 | Fuel System Too Lean (Bank 2) |
P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching |
Message Closed w/Summary
Vehicle Data
2003 Chevrolet Silverado 1500
VIN | 1GCEK14X33 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection / Spider system |
Emissions | OBD-II Compliant |
Symptoms | Hesitation, Misfire, Poor Fuel Economy, MIL Lamp On |
Occurs | After a Hot Soak |
Misc. | Manual Transmission |
Trouble Codes
P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage |
P0174 | Fuel System Too Lean (Bank 2) |
P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching |