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2005 Chevrolet Suburban 1500 LT 5.3L MIL Lamp on
Posted to GM Driveability on 9/14/2009 18 Replies

Group- I have a flex fuel k1500 4x4 5.3L that sets PO 171 and PO 174 while at idle.

The freeze frame data indicates this happens while the engine is at 550 RPM's. I have pressure dropped the injectors and get the same drop throughout. Approx. 15 Lbs. Fuel pre...

18 Replies Received (View Replies)

  Related Documents & Media  2005 Chevrolet Suburban 1500 LT

 
Message Closed w/FIX

car Vehicle Data

2005 Chevrolet Suburban 1500 LT

VIN 1GNFK16Z45
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, Idle

Trouble Codes

171Bank 1 Lean
174Bank 2 Lean
Message Closed w/FIX

car Vehicle Data

2005 Chevrolet Suburban 1500 LT

VIN 1GNFK16Z45
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, Idle

Trouble Codes

171Bank 1 Lean
174Bank 2 Lean