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2002 Chevrolet Express 1500 4.3L Excessive Emissions, Poor Fuel Economy
Posted to GM Driveability on 7/9/2005 7 Replies

Morning Techs

This van came to us with these two codes, did the usual- check for other codes, parameters checked out, air filter. Nothing jumped out at me. After a little research I found bullentin on the CPI getting varnish build up and causing poppets to dr...

7 Replies Received (View Replies)

  Related Documents & Media  2002 Chevrolet Express 1500

 
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Express 1500

VIN 1GCFG15W12
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Fuel Economy
OccursIntermittently

Trouble Codes

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

car Vehicle Data

2002 Chevrolet Express 1500

VIN 1GCFG15W12
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Fuel Economy
OccursIntermittently

Trouble Codes

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