When your car’s “check engine” light comes on, it means that the computer has detected a problem.
And when you get the code P0171, it means that the fuel system is too lean.
This article will explain what that means and how to fix it.
Table of Contents
What Is Code P0171 And What Does It Mean
A code P0171 means that the fuel mixture is too lean. This code is often caused by a vacuum leak, which can be due to
- A faulty or loose vacuum hose
- Intake manifold gasket
- EGR valve.
- Dirty air filter
- Incorrect fuel pressure
- Defective ignition coil.
- Faulty oxygens sensor
A check engine light can come on for many different reasons, so it’s important to get the code read by a mechanic to determine the cause.
If you’re experiencing any drivability issues like stalling or poor fuel economy, be sure to get the car checked out as soon as possible.
How Do You Fix Code P0171
If your car’s check engine light comes on and you see code P0171, it means there’s a problem with the air/fuel mixture. Here’s what you can try:
Replace the air filter
Replace the fuel pump and the fuel filter
Replace the MAF (mass air flow) sensor
Replace the oxygen sensors.
Either way, it’s best to take your car to a mechanic to get it checked out.
How To Prevent Code P0171 From Happening Again
There are a few things you can do to prevent code P0171 from happening again.
First, make sure your engine oil is changed regularly and that your fuel filter is clean.
Also, make sure your air filter is clean and that your car is properly tuned.
If you follow these tips, you’ll be less likely to experience code P0171 again. Thanks for reading!
Is It Safe To Drive With A P0171 Code?
Not really, when your check engine is on, you should take this seriously. Avoid traveling too far. Fix the problem as soon as possible to avoid any damage to your engine.
Conclusion
Code P0171 is an indication that there’s too much fuel entering the engine. This can be caused by a number of things, such as a dirty air filter, a clogged fuel filter, or an incorrect air/fuel mixture.
There are a few things you can do to prevent code P0171 from happening again. First, make sure your maintenance is done regularly and that your fuel filter is clean. Also, make sure your air filter is clean and that your car is properly tuned. If you follow these tips, you’ll be less likely to experience code P0171 again.
