Check Engine Light - Code indicates O2 sensor 1 error

asked by on

Car was in shop to recharge A/C system as it was now running hot all the time and not sometimes Hot and others Cold. Shop ended up replacing the compressor because of a leak. Found a leak problem with power steering hose, and not able to get a replacement, so they were going to shorten it as leak by clamp. When work complete I picked up and drove it home 2.9 miles, check engine light came on before I arrived home.

My car has 129500 miles.
My car has an automatic transmission.

The O2 sensor is a sensor in the exhaust system that reports to your car’s computer how much unburnt fuel is in the exhaust gases, which then tells the fuel injection system how to adjust the fuel mixture. When the oxygen sensor is faulty, it will cause the Check Engine Light to come on. I recommend having a qualified mechanic, like one from YourMechanic, come to your home or office to diagnose the Check Engine Light, inspect the power steering system, and perform any repairs as necessary.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

I have a Lincoln LS 2003 3.9, changed the thermostat and O-ring, bled the system until steady flow came out. Now it's leaking from

If the thermostat housing is leaking after you replaced the thermostat then you either did not seat the thermostat correctly or the housing is cracked. Remove the housing to check for cracks.

After tune up, alternator ruined by oil leak

Hello. The issue you are having is likely a ground wire fault that keeps blowing the fuse. Fuses blow when there is too much current for The ground circuit to release. Electricity is energy. Energy can't be created or destroyed,...

Car squeals only when accelerating/coasting. Stops when braking

Hi Taylor. Thanks for contacting us today. A noise like you are describing is often caused by wheel bearings that have lost lubrication and are wearing out. It can also be due to a loose serpentine belt or drive belt....

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when...
Rules of the Road For Iowa Drivers
Driving Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in your own state, that does not mean you know them in all...
How to Avoid Back Pain in a Car
If If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from sitting in a car’s seat for a long drive. Sometimes,...