B0798 Porsche Cayman OBD Code

OBD/2 B0798 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.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

B0798 Porsche Cayman Error Code Repair Process :

If your vehicle failed a B0798 test and the B0798 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses throttle position sensor disagreement btwn sensors a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look throttle position sensor disagreement btwn sensors: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression. Use your OBD Express DIY to look at the oxygen sensor outputs, coolant temperature, airflow, calculated engine load, and inlet air temperature.

Difficulty Level (Expert)

Repair Time (35 Min.)

Cost Prediction : $ 20-50

Common Causes of Porsche Cayman B0798 OBD2 Code

A common cause of code B0798 is the failure of Throttle Position Sensor Disagreement btwn Sensors, but there are several other possible causes as well, such as ;

• 1Camshaft Position Sensor circuit poor electrical connection
• EVAP system hose leaking
• Faulty select solenoid
• Three way catalyst converter Bank 1

B0798 is a kind of Body Trouble Code Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

B0798 code for other Porsche cars

You can view according B0798 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• B0798 Porsche 1300
• B0798 Porsche 3400
• B0798 Porsche 356
• B0798 Porsche 550
• B0798 Porsche 718
• B0798 Porsche 804
• B0798 Porsche 901
• B0798 Porsche 904
• B0798 Porsche 906
• B0798 Porsche 907
• B0798 Porsche 908
• B0798 Porsche 910
• B0798 Porsche 911
• B0798 Porsche 911 Type 991
• B0798 Porsche 911 Type 996
• B0798 Porsche 911 Type 997
• B0798 Porsche 912
• B0798 Porsche 914
• B0798 Porsche 917
• B0798 Porsche 924
• B0798 Porsche 928
• B0798 Porsche 930
• B0798 Porsche 931
• B0798 Porsche 935
• B0798 Porsche 936
• B0798 Porsche 937
• B0798 Porsche 944
• B0798 Porsche 959
• B0798 Porsche 962
• B0798 Porsche 964
• B0798 Porsche 965
• B0798 Porsche 968
• B0798 Porsche 986
• B0798 Porsche 993
• B0798 Porsche 996
• B0798 Porsche Boxster
• B0798 Porsche Boxster Type 981
• B0798 Porsche Boxster Type 986
• B0798 Porsche Boxster Type 987
• B0798 Porsche Carrera Gt
• B0798 Porsche Cayenne
• B0798 Porsche Cayenne Type 92a
• B0798 Porsche Cayenne Type 9pa
• B0798 Porsche Cayman Type 718
• B0798 Porsche Cayman Type 981
• B0798 Porsche Cayman Type 987
• B0798 Porsche Coupe
• B0798 Porsche Dp
• B0798 Porsche Gt
• B0798 Porsche Gt2
• B0798 Porsche Gt3
• B0798 Porsche Karisma
• B0798 Porsche Kremer
• B0798 Porsche Macan Type 95b
• B0798 Porsche Mega
• B0798 Porsche Panamera Type 970
• B0798 Porsche Panamericana
• B0798 Porsche Rsk
• B0798 Porsche Tapiro

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