Tag: tail-pipe

OBD-II Trouble Codes

P0131: O2 Sensor Circuit Low Voltage (Bank 1, Sensor 1)

Oxygen sensors measure the amount of oxygen in the exhaust stream. Your car’s primary computer, which is often referred to as the powertrain control module (PCM), uses the signal from...Read more

OBD-II Trouble Codes

P2002 Code: Diesel Particulate Filter Efficiency Below Threshold (Bank 1)

Diesel engines have a lot of advantages aside from providing better torque. The catch is, they produce more soot, which is a black, carbon-based substance that is damaging to the...Read more


Why Does My Car Smell Like Gas?

In the movies, even a minor gasoline leak can immediately turn into a massive explosion—which is why to some, smelling fuel inside the car can be extremely unnerving. Plus, the...Read more


How to Pass an Emissions Test: 7 Tips That May Help

Note: Please check your local and state laws regarding exemptions and coverage of car emissions testing in your area. Emission testing, or smog check, ensures your car meets the emission...Read more

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