
2004 Buick Rainier CXL 5.3L MIL Lamp on
The vehicle has had a recuring p0420 code and now has a pending p0174 lean condition b2. I have checked the fuel pressure and volume , pressure under heavy accel. Checked the regulator, smoked the intake all ok. I checked and cleaned the maf, but was ok. The f...
FIX posted 12/29/2010
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)12 Replies Received(Hide Replies)12 Replies Received
|
Message Closed w/Summary
|
VIN | 5GAET13P54 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0174 | Fuel System Too Lean (Bank 2) |
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/Summary
Vehicle Data
2004 Buick Rainier CXL
VIN | 5GAET13P54 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0174 | Fuel System Too Lean (Bank 2) |
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |