P078A Engine Fault Code

Check Solution For P078A OBD Code :

P078A engine code seems a kind of powertrain problem, we try to show one by one the meaning and the solution.
Brief explanation of the P078A code and definition of P078A is the bottom side.

P078A Meaning :

p Powertrain Code
Problem is related engine, transmission and emissions systems.
0 SAE - Generic
7 BBV Sensor Circuit Low Voltage
8 BBV Sensor Circuit Low Voltage
a Transmission

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 P078A ?

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. P078A 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.

P078A Code Description:

Regarding the P078A code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter. When you see P078A 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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