× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2003 Pontiac Bonneville SLE 3.8L MIL Lamp on
Posted to GM Driveability on 1/11/2016 14 Replies

This Pontiac has a fuel trim reading of -13 long term fuel trim. Fuel pressure is normal with no leakdown and no leaking regulator. Fuel injectors flow test equally. Have installed known good O2 sensor and mass airflow sensor from similar vehicle with no chang...

14 Replies Received (View Replies)

  Related Documents & Media  2003 Pontiac Bonneville SLE

 
Message Closed

car Vehicle Data

2003 Pontiac Bonneville SLE

VIN 1G2HY54KX3
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
Message Closed

car Vehicle Data

2003 Pontiac Bonneville SLE

VIN 1G2HY54KX3
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)