Maintenance & Troubleshooting

1996 Volkswagen Jetta Trek check engine light code P0506 Idle air control valve control circuit malfunction.

1996 Volkswagen Jetta Trek Check Engine Light Codes P0440

Exhaust Gas Recirculation (EGR) Sensor Circuit Malfunction

1996 Volkswagen Jetta Trek Check Engine Light Codes P0411

Code Description Exhaust Gas Recirculation (EGR) Flow Insufficient
Possible Causes
EGR valve stuck closed
EGR valve leaking
EGR cooler restricted
EGR sensor faulty
Symptoms
Check engine light illuminated
Engine may run rough
Reduced fuel economy
Increased emissions

1996 Volkswagen Jetta Trek Check Engine Light Codes

P0300 Random/multiple misfire detected
P0301 Cylinder 1 misfire detected
P0302 Cylinder 2 misfire detected
P0303 Cylinder 3 misfire detected
P0304 Cylinder 4 misfire detected

2006 VW Jetta FSI with low boost and no engine codes may have a faulty MAP sensor or a clogged MAF sensor.

P0420 Catalyst System Efficiency Below Threshold; P0430 Secondary Air Injection System Malfunction; P0440 Evaporative Emission Control System Malfunction; P0455 Fuel Tank Pressure Sensor/Switch Circuit Malfunction; P0460 Fuel Level Sensor/Sonde Circuit Malfunction; P0463 Fuel Level Sensor/Sonde Circuit Range/Performance; P0465 Fuel Level Sensor/Sonde Circuit Low Input

Volkswagen Jetta engine light codes P0010, P0011, P0012, P0013, P0014, P0015, P0016, P0017, P0018, P0019.

Volkswagen Passat engine codes are 5-digit alphanumeric codes. The first digit indicates the engine type, the second digit indicates the model year, and the last three digits are a sequential number.

P0300 Random misfire, P0301 Cylinder 1 misfire, P0302 Cylinder 2 misfire, P0303 Cylinder 3 misfire, P0304 Cylinder 4 misfire

P0010, P0300, P0301, P0302, P0303, P0304, P0420, P0441, P0455, P0456, P0457, P0458, P0496