
2004 Toyota Corolla CE 1.8L Excessive Emissions
car came in with P0172 and long term fuel trims at -25%. cleaned throttle body checked MAF sensor. changed upstream O2 sensor. when using map gas O2s go full rich. when creating a vacuum leak O2s go full lean. checked air tube from MAF to throttle body for...
FIX posted 2/28/2018
![]()
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)26 Replies Received(Hide Replies)26 Replies Received
|
Message Closed w/FIX
|
VIN | 1NXBR32E44 |
Engine | 1.8 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions |
Occurs | Always |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |
Message Closed w/FIX
Vehicle Data
2004 Toyota Corolla CE
VIN | 1NXBR32E44 |
Engine | 1.8 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions |
Occurs | Always |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |