C20AC Porsche 904 OBD Code

OBD/2 C20AC error code description and symptoms.

Intake Manifold Runner Control Malfunction (Stuck Open) The IMRC system is monitored for failure during continuous, key ON engine OFF or key ON engine running self-test. The test fails when the signal on the monitor pin is less than an expected calibrated range at closed throttle. IMRC monitor signal circuit shorted to PWR GND or SIG RTN Damaged IMRC actuator Damaged PCM An IMRCM PID reading approximately near 1 volt at closed throttle may indicate a fault.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code C20AC, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code C20AC on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

C20AC Porsche 904 Error Code Repair Process :

If your throttle position (narrow range) sensor circuit malfunction check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system C20AC and engine control unit are in charge of monitoring a bunch of different throttle position (narrow range) sensor circuit malfunction, and if they get a reading that's a little out of whack, up pops the check engine light.

Difficulty Level (Soso)

Repair Time (50 Min.)

Cost Prediction : $ 40-75

Common Causes of Porsche 904 C20AC OBD2 Code

A common cause of code C20AC is the failure of Throttle Position (Narrow Range) Sensor Circuit Malfunction, but there are several other possible causes as well, such as ;

• 1Camshaft Position Sensor circuit poor electrical connection
• Faulty ignition coil (s)
• Faulty starter motor
• Ignition coils harness is open or shorted

C20AC is a kind of Chassis Trouble Code Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

C20AC code for other Porsche cars

You can view according C20AC DTC for your car model. We selected several models to see obd2 solutions click and view it.

• C20AC Porsche 1300
• C20AC Porsche 3400
• C20AC Porsche 356
• C20AC Porsche 550
• C20AC Porsche 718
• C20AC Porsche 804
• C20AC Porsche 901
• C20AC Porsche 906
• C20AC Porsche 907
• C20AC Porsche 908
• C20AC Porsche 910
• C20AC Porsche 911
• C20AC Porsche 911 Type 991
• C20AC Porsche 911 Type 996
• C20AC Porsche 911 Type 997
• C20AC Porsche 912
• C20AC Porsche 914
• C20AC Porsche 917
• C20AC Porsche 924
• C20AC Porsche 928
• C20AC Porsche 930
• C20AC Porsche 931
• C20AC Porsche 935
• C20AC Porsche 936
• C20AC Porsche 937
• C20AC Porsche 944
• C20AC Porsche 959
• C20AC Porsche 962
• C20AC Porsche 964
• C20AC Porsche 965
• C20AC Porsche 968
• C20AC Porsche 986
• C20AC Porsche 993
• C20AC Porsche 996
• C20AC Porsche Boxster
• C20AC Porsche Boxster Type 981
• C20AC Porsche Boxster Type 986
• C20AC Porsche Boxster Type 987
• C20AC Porsche Carrera Gt
• C20AC Porsche Cayenne
• C20AC Porsche Cayenne Type 92a
• C20AC Porsche Cayenne Type 9pa
• C20AC Porsche Cayman
• C20AC Porsche Cayman Type 718
• C20AC Porsche Cayman Type 981
• C20AC Porsche Cayman Type 987
• C20AC Porsche Coupe
• C20AC Porsche Dp
• C20AC Porsche Gt
• C20AC Porsche Gt2
• C20AC Porsche Gt3
• C20AC Porsche Karisma
• C20AC Porsche Kremer
• C20AC Porsche Macan Type 95b
• C20AC Porsche Mega
• C20AC Porsche Panamera Type 970
• C20AC Porsche Panamericana
• C20AC Porsche Rsk
• C20AC Porsche Tapiro

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