P3879 Saab 9.3 Engine Fault Code

Check Solution For P3879 Saab 9.3 OBD Code :

P3879 Saab 9.3 engine code seems a kind of powertrain problem, we try to show one by one the meaning and the solution.
Brief explanation of the P3879 Saab 9.3 code and definition of P3879 Saab 9.3 is the bottom side.

P3879 Saab 9.3 Meaning :

p Powertrain Code
Problem is related engine, transmission and emissions systems.
3 SAE - Generic
8 Ignition System Or Misfire
7 Vehicle Speed Output Circuit
9 Kick-Down Switch Failed Short

SAE - Generic codes, which have a '0' as their second digit to indicate they are common to all makes and models of vehicles. These are the codes that are required for basic emissions fault diagnosis.

How To Fix P3879 Saab 9.3 ?

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

P3879 Saab 9.3 Code Description:

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. P3879 code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired. When you see P3879 Saab 9.3 engine fault code on your engine code reader this description will help you.

P Codes List of all Powertrain codes.

Final Step: In the definitions listed below, there is a test drive recommended after you've completed any repairs to see if the condition is fixed. Before you take a test drive after a repair, always erase the P Code(s) first. This will turn the check engine light off and then you will know if the check engine light returns, you've got further diagnostics to complete.

BE CAREFUL !
This engine code information is presented for information purposes only. This is not intended as repair advice and we are not responsible for any actions you take on any vehicle.

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