What does it mean when post catalyst fuel trim system is too lean?

If you see this generic code, it’s likely a problem in the exhaust system. Your vehicle is getting too much air and not enough fuel, creating a lean condition that disrupts the fuel efficiency of your vehicle.

What does system Too Lean on bank 1 mean?

The OBDII trouble code P0171 – System Too Lean (Bank 1) means that the engine air-fuel mixture is too lean, or there is too much air and too little fuel. Driving a car with the code P0171 can cause more damage to the engine over time, as when the engine runs lean, the combustion temperature is higher.

Is it safe to drive with a P2096 code?

A P2096 code is relatively serious. If you notice this code, you should plan to fix the problem. Still, you’ll be able to drive your car in the near-term without worrying too much. However, if you choose not to fix the issue for a prolonged period, then you might end up causing serious damage to your vehicle’s engine.

What does Engine code P2098 mean?

Post Catalyst Fuel Trim System
P2098 is the Post Catalyst Fuel Trim System is at its Low Limit Bank 2. This simply translates to the engine controller is seeing a lean condition (too much air and not enough fuel).

How much does it cost to fix a system too lean bank 1?

You may need to replace the fuel pump if it is weak or faulty. These problems cause the air-fuel mixture to be off and trigger the System too lean bank 1 code since the pump can’t get enough fuel to the engine. On average, this repair costs $870, where parts cost around $690 and labor costs around $180.

Is it OK to drive with a P0171 code?

Any time your check engine light is on, you should take the reading seriously. A P0171 code is no exception to this rule. When the engine stores this code, you should not drive your vehicle far, if at all. When your engine runs lean, there is not enough gasoline for it to run efficiently.