P3871 Engine Fault Code

Check Solution For P3871 OBD Code :

P3871 engine code seems a kind of powertrain problem, we try to show one by one the meaning and the solution. Brief explanation of the P3871 code and definition of P3871 is the bottom side.

P3871 Meaning :

p	Powertrain Code Problem is related engine, transmission and emissions systems.
3	SAE - Generic
8	BBV Sensor Circuit Low Voltage
7	BBV Sensor Circuit Low Voltage
1	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 P3871 ?

Deactivation of cylinders is achieved by releasing a synchroniser pin that normally interlocks the cam follower and rocker arms. P3871 code resolves the synchroniser pin is released using hydraulic pressure which is controlled by a dedicated solenoid.

P3871 Code Description:

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue. When you see P3871 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.