P1991 Maserati 4200 OBD Code

OBD/2 P1991 error code description and symptoms.

The Transmission Fluid Pressure Switch allows the engine's control module (PCM) or Transmission Control Module (TCM) to use hydraulic fluid to engage the clutches in the transmission to allow for smoother shifting while driving. If the PCM or TCM detects an issue with the hydraulic clutch or the pressure switch, the PCM or TCM will set code P1991

Regardless of the design though, the purpose of all clutch actuating systems is to improve the driving experience by removing the need for manual clutch operation by the driver. Computer-controlled clutch actuating systems work particularly well in dual clutch systems where one clutch controls gear changes of even-numbered gear ratios, and a second clutch that controls gear changes of odd-numbered ratios.

P1991 Maserati 4200 Error Code Repair Process :

For secondary air injection system switching valve a circuit malfunction check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. P1991 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks secondary air injection system switching valve a circuit malfunction with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Maserati 4200 P1991 OBD2 Code

A common cause of code P1991 is the failure of Secondary Air Injection System Switching Valve A Circuit Malfunction, but there are several other possible causes as well, such as ;

Continuous oil flow to the VCT piston chamber
Erratic camshaft position due to low oil pressure
Faulty select solenoid
Fuel tank leaking

P1991 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.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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P1991 Maserati 4200 OBD Code

P1991 Maserati 4200 Error Code Repair Process :

Common Causes of Maserati 4200 P1991 OBD2 Code

P1991 code for other Maserati cars