P0134 Code: O2 Sensor Circuit – No Activity Detected
Though complex, a vehicle’s emissions controls rely heavily on oxygen sensor feedback to adjust fueling. …
Engine Codes
P0174 Code: System Too Lean (Bank 2)
Is your car showing a P0174 code after scanning your check engine light? This code …
P0411 Code: Secondary Air Injection Incorrect Flow Detected
Strict emissions laws of the 1970s and 80s compelled development of smog reduction systems. These …
P0178 Code: Fuel Composition Sensor Circuit Low
When you’re driving down the road, the last thing you want to deal with a …
P0117 Code: Engine Coolant Temperature Circuit Low Input
Modern cars rely on sensors and computers to optimize performance. But with complexity comes faults. …
P0031 Code: Heated Oxygen Sensor (HO2S) Heater Control Circuit Low (Bank 1, Sensor 1)
Unlike old vehicles, today’s cars meter emissions through constant monitoring. Oxygen sensors prove critical, reporting …
P0161 Code: O2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 2)
Today’s computerized controls and sensors enable self-monitoring for efficiency. Key components like oxygen sensors determine …
P0132 Code: O2 Sensor Signal Circuit High Voltage
When you’re driving down the road, the last thing you want to see is a …
P0155 Code: O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
There are few feelings worse than when you see your vehicle’s check engine light come …
P0740 Code: Torque Converter Clutch Circuit Malfunction
A check engine light often makes drivers think “engine issue.” But modern vehicles log codes …
P0136 Code: Oxygen Sensor Circuit Malfunction (Bank 1, Sensor 2)
Seeing the check engine light come on can raise alarm bells, but you shouldn’t automatically …
P0505 Code: Idle Air Control System Malfunction
A check engine light and poor performance are worrisome signs. But code P0505 points to …