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1999 Chevrolet Tahoe LS 5.7L MIL Lamp on, Intermtnt hard start
Posted to GM Driveability on 5/5/2014 18 Replies

Check engine light comes on with codes p0172 and p0175. Intermittent hard to start cold. Fuel injection unit updated to mpi about 6 months ago to correct rich codes. Customer does not drive truck much, but cel came on last week, only 1300 miles since repair. T...

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  Related Documents & Media  1999 Chevrolet Tahoe LS

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Tahoe LS

VIN 1GNEK13RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / cfi updated to mpi
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Intermtnt Hard Start
OccursNot Applicable, Cold

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Tahoe LS

VIN 1GNEK13RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / cfi updated to mpi
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Intermtnt Hard Start
OccursNot Applicable, Cold

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)