P3086 Trouble Code

View P3086 obd/2 error code description and symptoms. P3086 engine photo

Brake Switch Circuit Input Malfunction Indicates PCM did not receive a brake pedal position (BPP) input. Open or short in BPP circuit Open or short in stoplamp circuits Damaged PCM Malfunction in module(s) connected to BPP circuit. (Rear Electronic Module [REM] Windstar and LS6/LS8 or Lighting Control Module (LCM) Continental and Town Car. Damaged brake switch Misadjusted brake switch Check for proper function of stoplamps.

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.

Difficulty Level (Expert)
Level
Repair Time (35 Min.)
Time
Cost Prediction : $ 40-75

P3086 Error Code Repair Process :

If your pedal forward / rearward potentiometer feedback circuit short to battery 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 P3086 and engine control unit are in charge of monitoring a bunch of different pedal forward / rearward potentiometer feedback circuit short to battery, and if they get a reading that's a little out of whack, up pops the check engine light.

Wrench Tool P3086 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Common Causes of P3086

A common cause of code P3086 is the failure of Pedal Forward / Rearward Potentiometer Feedback Circuit Short to Battery, but there are several other possible causes as well, such as ;

P3086 code for all cars

You can view according P3086 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P3086 Hillman Speed +P3086 Mercedes E Class +P3086 Bmw M3 +P3086 Jaguar Xj-12 +P3086 Renault Avantime

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