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2005 Chevrolet Silverado 1500 LS 5.3L Poor Idle Quality, Surge, MIL Lamp on
Posted to GM Driveability on 3/30/2015 25 Replies

Have replaced lower intake gaskets, has been tuned up. Ran smoke test leaking around fuel inj. replaced O-rings didn't run any better still lean. Also seems to run good cold doesn't surge. surges at idle hot thanks for any help.

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  Related Documents & Media  2005 Chevrolet Silverado 1500 LS

 
Message Closed w/FIX

car Vehicle Data

2005 Chevrolet Silverado 1500 LS

VIN 2GCEK13T35
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, MIL Lamp On
OccursHot

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2005 Chevrolet Silverado 1500 LS

VIN 2GCEK13T35
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, MIL Lamp On
OccursHot

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)