P2A00 Code: O2 Sensor Circuit Range/Performance (Bank 1, Sensor 1)
Diagnostic trouble codes (DTC) or onboard diagnostic (OBD) codes are designed to standardize vehicle system …
Engine Codes
P0120 OBD-II Code: Throttle/Pedal Position Sensor/Switch A Circuit
The Throttle Position Sensor/Switch is located on the Throttle Body of the Intake Manifold and …
P0174 Code: System Too Lean (Cylinder Bank 2)
Code P0171 indicates Bank 1 of the engine has a lean fuel mixture. P0174 indicates …
P0455 Code: Evaporative Emission Control System (EVAP) Large Leak Detected
The P0455 diagnostic trouble code appears when there’s a leak in the Evaporative Emission Control …
P0442 Code: Evaporative Emission Control System Leak Detected (Small Leak)
Your OBD-II diagnostic scanner may register a P0442 EVAP leak detected diagnostic trouble code. If …
P0171 Code – Fuel Trim System Too Lean (Bank 1)
If the powertrain control module (PCM) determines that air-to-fuel is too lean, the PCM will …
P0300 Code: Random/Multiple Cylinder Misfire Detected
When your check engine light comes on, it’s important to check your manual to find …
P0011 Code: Camshaft Position “A” – Timing Over(Bank 1)
If your car displays the P0011 engine code, you likely have a problem with your …
P0456 Code: Evaporative Emission System Small Leak Detected
Wondering why the check engine light is on and what is has to do with …
P0303 Code: Cylinder 3 Misfire Detected
The first question you are likely asking yourself is, “What does the code P0303 mean?” …
P0420 Code: Catalyst System Efficiency Below Threshold (Bank 1)
A common emissions code seen in the field, a P0420 trouble code indicates that the …
OBD-II Scanner: How To Use Diagnostic Car Code Reader?
Nothing can throw off your day faster than a “Check Engine” light popping up on …