P04A8 Trouble Code

View P04A8 obd/2 error code description and symptoms. P04A8 engine photo

The input turbine speed sensor detects rotation of the input shaft of the input shaft speed sensor transmission. The computer uses that information, along with the output shaft speed sensor to determine if the transmission is operating according to plan. If the computer detects a difference between the input shaft speed , and the expected output shaft speed, it will adjust transmission pump pressure to prevent clutch disc slip. If adding pressure doesn't solve the problem, it will set a trouble code.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

P04A8 Error Code Repair Process :

If your port air relief circuit malfunction 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 P04A8 and engine control unit are in charge of monitoring a bunch of different port air relief circuit malfunction, and if they get a reading that's a little out of whack, up pops the check engine light.

P04A8 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 P04A8

A common cause of code P04A8 is the failure of Port Air Relief Circuit Malfunction, but there are several other possible causes as well, such as ;

Faulty Air Flow Meter
Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
Foreign matter caught in fuel filler cap
Open or short in the CMP sensor circuits

P04A8 code for all cars

You can view according P04A8 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P04A8 Lamborghini P140

+P04A8 Apollo Gt

+P04A8 Seat Leon 2

+P04A8 Toyota Prius 3

+P04A8 Paykan 1600

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

About Us | Contact | Privacy