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2007 Chevrolet Silverado 2500 HD Classic LT 6.0L Hesitation
Posted to GM Driveability on 4/12/2013 13 Replies

This truck originally came in with a code P0174 too lean bank 2. I replaced the b2s2 o2 sensor when I saw a reading of 0 volts intermittently on scan tool. Cleared code and drove to complete monitors for smog check and code P0420 cat efficiency code came on. I...

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  Related Documents & Media  2007 Chevrolet Silverado 2500 HD Classic LT

 
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Silverado 2500 HD Classic LT

VIN 1GCHC24U47
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsHesitation
OccursIntermittently

Trouble Codes

P0174Fuel System Too Lean (Bank 2)
P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Silverado 2500 HD Classic LT

VIN 1GCHC24U47
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsHesitation
OccursIntermittently

Trouble Codes

P0174Fuel System Too Lean (Bank 2)
P0420Catalyst Efficiency Below Threshold (Bank 1)