P2096 Code: Post Catalyst Fuel Trim System Too Lean (Bank 1)
A proper air-to-fuel ratio is critical for optimal engine performance. If you don’t have the correct ratio, …
Engine Codes
P0449 Code: Evaporative Emission System Vent Valve/Solenoid Circuit
When you’re driving down the road, the last thing you want to see is a …
P0496 Code: EVAP Flow During a Non-Purge Condition
Seeing the “Check Engine” light is never welcome, though modern OBD2 scanners let you read …
P0422 OBD-II Code: Main Catalyst Efficiency Below Threshold
The P0422 code alerts you to an issue with the efficiency of the catalytic converter’s …
P0299 Code: Turbocharger/Supercharger “A” Underboost Condition
While you’re bound to have a little stress whenever your check engine light pops on, …
P0301 Code: Cylinder 1 Misfire Detected
Though that dreaded check engine light leaves you dreading a breakdown, a P0301 code is …
P0110 Code: Intake Air Temperature Sensor 1 Circuit (Bank 1)
The OBD-II trouble code P0110 is associated with a problem in the intake air temperature …
P0100 Code: Mass Air Flow Circuit Malfunction
Today’s computer-controlled engines rely on sensors like the mass airflow sensor (MAF) to measure air intake. This …
P0202 Code: Injector Circuit/Open – Cylinder #2
When your car’s check engine light illuminates and diagnostic scanning reveals a P0202 code, you’re …
P2097 Code: Post Catalyst Fuel Trim System Too Rich (Bank 1)
To operate efficiently, an engine needs an appropriate air-fuel ratio. If there is something wrong …
P2098 Code: Post Catalyst Fuel Trim System Too Lean (Bank 2)
A proper air-to-fuel ratio is essential to an engine’s efficiency. When a car doesn’t have …
P1345 Code: Camshaft Position Correlation
Today’s vehicle data networks streamline operations but provide fault codes when issues arise. Savvy motorists …
P0506 Code: Idle Air Control System RPM Lower Than Expected
Today’s computer-controlled engines log codes for issues. P0506 indicates a discrepancy between an engine’s actual …
P0453 Code: Evaporative Emissions System – Pressure Sensor/Switch High
The last thing you want to see when you start up your engine is a …
P0008 Code: Engine Position System Performance
Nobody wants to see the check engine light stay on in their vehicle after they …
P2279 Code: Intake Air System Leak
A vehicle’s PCM or ECM continuously monitors many systems, including engine vacuum. P2279 is a diagnostic trouble …
P0170 Code: Fuel Trim Malfunction (Bank 1)
Modern vehicles can monitor air-fuel ratios, triggering diagnostic trouble codes if combustion efficiency declines. P0170 indicates …
P2509 Code: ECM/PCM Power Input Signal Intermittent
Few things can cause your heart to sink in your chest like a sudden check …
P2196 Code: O2 Sensor Signal Biased/Stuck Rich (Bank 1, Sensor 1)
Uh-oh, your car’s check engine light is on, and you’ve traced it back to a …
P0024 Code: “B” Camshaft Position – Timing Over-Advanced (Bank 2)
Has your check engine light illuminated due to a P0024 diagnostic trouble code (DTC)? Though …
P0308 Code: Misfire Detected in #8 Cylinder
A random engine shudder or misfire is alarming but modern vehicles are quite good at …
P0307 Code: Misfire Detected in #7 Cylinder
A check engine light requires investigation but doesn’t mean instant repair is needed. Code P0307 …
P0480 Code: Cooling Fan Relay 1 Control Circuit
Discovering that your vehicle has a P0480 code can be a worrisome, leaving you concerned …
P0204 Code: Injector Circuit/Open – Cylinder #4
Have you recently noticed a decline in your vehicle’s performance, accompanied by the sudden illumination …
P0191 Code: Fuel Rail Pressure Sensor Circuit “A” Range Performance
Is your car’s check engine light suddenly illuminated, and a diagnostic scan revealed a P0191 …
P2181 Code: Cooling System Performance
Is your vehicle’s check engine light on and upon scanning, a P2181 code is the …
P0522 Code: Engine Oil Pressure Sensor/Switch Low
Engine oil pressure warnings prevent catastrophic damage, but when the light comes on, action is …
P0328 Code: Knock Sensor #1 – Circuit High Input (Single Sensor or Bank 1)
Has your vehicle recently been plagued with a pesky check engine light, caused by an …
P0521 Code: Engine Oil Pressure Sensor/Switch Range/Performance
Nothing ruins a drive quite like the appearance of a check engine light (CEL). But …
P06DD Code: Engine Oil Pressure Control Stuck Off
You’ve just learned that your check engine light that has been traced back to an …
P0520 Code: Engine Oil Pressure Sensor/Switch Circuit Malfunction
Engine sensors prevent catastrophic damage, but trigger false alarms if they malfunction. Code P0520 indicates …
P1682 Code: Ignition 1 Switch Circuit 2
It seems as if each brand of vehicle found on the market today is prone …
P0345 Code: Camshaft Position Sensor “A” Circuit Malfunction (Bank 2)
Modern engines rely on sensors like the camshaft position sensor to optimize performance. But when …
P0068 Code: MAP/MAF – Throttle Position Correlation
Your car’s check engine light comes on, you plug in an OBD-II scanner, and see …
P0022 Code: “A” Camshaft Position – Timing Over-Retarded (Bank 2)
If a P0022 fault code is the cause of your check engine light coming on, …
U1000 Code: Communication Malfunction (Manufacturer Specific)
Seeing an obscure trouble code like U1000 can be puzzling for drivers. This manufacturer-specific code …
P0021 Code: “A” Camshaft Position – Timing Over-Advanced or System Performance (Bank 2)
Variable valve timing optimizes engine performance. But VVT issues trigger codes like P0021 for camshaft over-advancement. …
P0715 Code: Input/Turbine Speed Sensor Circuit Malfunction
Nothing ruins your day quite like seeing your check engine light suddenly flash on. When …
P0104 Code: Mass Air Flow Circuit Intermittent/Erratic
A check engine light rarely comes at a convenient time, often triggering concerns about expensive …
C1201 Code: ABS Inlet Valve Coil LF Circuit Short To Ground
When your vehicle’s ABS light illuminates, diagnostic fault code C1201 may be the culprit. This …
P0720 Code: Output Speed Sensor Circuit Malfunction
Don’t ignore that check engine light. While a P0720 code can be tricky to diagnose …
P0234 Code: Engine Over Boost Condition
Diagnostic trouble code P0234 indicates excess boost pressure in the intake of turbocharged or supercharged engines. …
P0460 Code: Fuel Level Sensor “A” Circuit Malfunction
When your vehicle’s check engine light illuminates and a diagnostic scan reveals a P0460 code, …
P0421 Code: Warm Up Catalyst Efficiency Below Threshold (Bank 1)
When your check engine light illuminates due to a P0421 code, you’re dealing with a …
P2006 Code: Intake Manifold Runner Control Stuck Closed (Bank 1)
Variable air intakes increase engine efficiency but can trigger fault codes like P2006 for intake …
P2015 Code: Intake Manifold Runner Position Sensor Range (Bank 1)
Modern engines often use variable intake manifold systems to optimize performance and efficiency across different …
P0352 Code: Ignition Coil “B” Primary/Secondary Circuit Malfunction
Are you facing a P0352 code and unsure what to do next? Fearing a costly …
P0743 Code: Torque Converter Clutch Solenoid Circuit Electrical
With a P0743 code, it may seem like your car has forgotten how to properly …