fuel trims

The P2099: Post Catalyst Fuel Trim System Too Rich Bank 2 is triggered when the post-catalytic converter fuel trim system for bank 2 of the … Read more

The code P2098: Post Catalyst Fuel Trim System Too Lean Bank 2 signifies an issue with the fuel trim being too lean (not enough fuel … Read more

The code P2097: Post Catalyst Fuel Trim System Too Rich Bank 1 indicates an issue where the fuel mixture is too rich (too much fuel … Read more

Fault code P0174 – System too lean (Bank 2) is basically telling you that you have either less fuel or more air coming into the … Read more

code P0175 – system is too rich (Bank 2) is set when your PCM needs to cut the amount of fuel to the system to … Read more

The code P0172 – system is too rich (Bank 1) is set when your PCM needs to cut the amount of fuel to the system … Read more

The code P0173 Fuel trim malfunction (Bank 2) is telling you that there is something wrong with your stoichiometric ratio and your PCM is having … Read more

Fault code P0171 – System too lean (Bank 1) is basically telling you that you have either less fuel or more air coming into the … Read more

The code P0170 Fuel trim malfunction (Bank 1) is telling you that there is something wrong with your stoichiometric ratio and your PCM is having … Read more