How do I fix error code P0170?
What repairs can fix the P0170 code?
- Correcting any condition that causes the engine to run rich.
- Correcting any condition that causes the engine to run lean.
- Replacing the powertrain control module.
Can you drive with a P0170 code?
You can continue to drive the car with this code. The code is basically for a rich fuel mixture. This can mean you may see some loss of fuel mileage, however the car should get you to your destination.
What can cause a P0170 code?
What are the Possible Causes of the P0170 Code?
- Contaminated Engine Oil (too long since the last oil change)
- A leaking injector.
- Excessive fuel pressure due to restriction along the fuel return line or a faulty fuel pressure regulator.
- A saturated Carbon Canister due to packing the fuel tank.
- Clogged air filter.
What is po170?
Table of Contents. Error Code P0170 is described as Fuel Trim Malfunction Bank 1. This means the PCM (powertrain control module, also known as ECM or engine control module) has detected a fuel trim outside the specified range set by the vehicle’s manufacturer.
What does Bank 1 system too rich mean?
System too rich bank 1 means that the oxygen sensor in bank 1 identified a rich situation (presence of inadequate amount of oxygen in the exhaust). The detection of too much fuel mean that there is insufficient oxygen. Bank 1 is technically cylinder 1, which is the area of the vehicle’s engine with the first cylinder.
Can a bad O2 sensor cause a misfire?
If an oxygen sensor or mass airflow sensor is failing, it could give incorrect data to your engine’s computer, causing the misfire. When a vacuum line is broken, it can cause a fuel-injected motor to misfire.
What does p0170 stand for in auto repair?
Dirty air filter, air filter housing or Mass Air Flow (MAF) sensor, or faulty MAF sensor are common causes for the P0170 code. The cost to diagnose the P0170 code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type.
Why does my Subaru check engine light come on?
by Alibaster Smith. The Subaru check engine light comes on when there is a problem with the Subaru’s emissions control system. The Subaru’s computer, called an ECU, generates fault codes that pertain to various sensors on the vehicle. If one of these sensors fails, it will trigger a fault code.
What does a fault code on a Subaru mean?
The Subaru’s computer, called an ECU, generates fault codes that pertain to various sensors on the vehicle. If one of these sensors fails, it will trigger a fault code.
How do you reset the Check Engine light on a Subaru Outback?
Then try to slide the cable off the negative battery terminal. You now have to wait 4 to 5 minutes, before your then reconnect the cable and tighten the retaining nut. Finally, start the car engine and wait for the vehicle Subaru’s computer to reset the check engine light.