P1820 Isuzu 4200 OBD Code

OBD/2 P1820 error code description and symptoms.

The Camshaft Position sensor will signal the Engine Control Module when the #1 cylinder is ready for the spark plug to fire (top-dead-center on compression stroke). The ECM uses the information from this sensor to help calculate fuel delivery and spark timing.

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.

P1820 Isuzu 4200 Error Code Repair Process :

For p1820 transmission transfer case clockwise shift relay coil circuit failure 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. P1820 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 p1820 transmission transfer case clockwise shift relay coil circuit failure with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Isuzu 4200 P1820 OBD2 Code

A common cause of code P1820 is the failure of P1820 Transmission Transfer Case Clockwise Shift Relay Coil Circuit Failure, but there are several other possible causes as well, such as ;

Clogged or faulty fuel injector (s)
Engine Control Module (ECM)
Damaged VCT phaser
Incorrect fuel filler cap used

P1820 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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P1820 Isuzu 4200 OBD Code

P1820 Isuzu 4200 Error Code Repair Process :

Common Causes of Isuzu 4200 P1820 OBD2 Code

P1820 code for other Isuzu cars