× 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
2005 Buick Rainier CXL Plus 5.3L MIL Lamp on
Posted to GM Driveability on 9/9/2015 7 Replies

This Buick will very intermittently set these codes, puzzling that it sets rich & lean faults, customer reports no symptoms at all. Last time it was in for oil change it also had a P0101 mass airflow code, cleaned mass airflow sensor during service, had been f...

7 Replies Received (View Replies)

  Related Documents & Media  2005 Buick Rainier CXL Plus

 
Message Closed w/Summary

car Vehicle Data

2005 Buick Rainier CXL Plus

VIN 5GAET13M45
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0121Throttle Position Sensor Range/Performance
P0171Fuel System Too Lean (Bank 1)
P0172Fuel System Too Rich (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0175Fuel System Too Lean (Bank 2)
Message Closed w/Summary

car Vehicle Data

2005 Buick Rainier CXL Plus

VIN 5GAET13M45
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0121Throttle Position Sensor Range/Performance
P0171Fuel System Too Lean (Bank 1)
P0172Fuel System Too Rich (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0175Fuel System Too Lean (Bank 2)