B0278 Trouble Code

View B0278 obd/2 error code description and symptoms. B0278 engine photo

Intake Manifold Runner Control Malfunction (Stuck Open) The IMRC system is monitored for failure during continuous, key ON engine OFF or key ON engine running self-test. The test fails when the signal on the monitor pin is less than an expected calibrated range at closed throttle. IMRC monitor signal circuit shorted to PWR GND or SIG RTN Damaged IMRC actuator Damaged PCM An IMRCM PID reading approximately near 1 volt at closed throttle may indicate a fault.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code B0278, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code B0278 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

B0278 Error Code Repair Process :

For a/c refrigerant pressure sensor circuit range/performance 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. B0278 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 a/c refrigerant pressure sensor circuit range/performance with your car's computers to find out exactly what's prompting the light to turn on.

B0278 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

Common Causes of B0278

A common cause of code B0278 is the failure of A/C Refrigerant Pressure Sensor Circuit Range/Performance, but there are several other possible causes as well, such as ;

1Camshaft Position Sensor circuit poor electrical connection
Dirty Oil
EVAP system hose leaking
Fuel injector leaks

B0278 code for all cars

You can view according B0278 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B0278 Pininfarina Osee

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