B3647 Trouble Code

View B3647 obd/2 error code description and symptoms. B3647 engine photo

Fuel Rail Pressure Sensor in Range But Low The comprehensive component monitor (CCM) monitors the FRP pressure for acceptable fuel pressure. The test fails when the fuel pressure falls below a calibrated value. Low fuel pressure Damaged FRP sensor Excessive resistance in circuit Low or no fuel A FRP PID value below 551 kpa (80 psi) indicates a failure Low or no fuel A FRP PID value greater than 896 kpa (130 psi) indicates a failure.

A good starting point in your diagnosis is checking all system fuses and fusible links. This can be done using the DVOM on the voltage setting. You will want to test the fuses with circuits loaded. Some fuses will appear normal until a load is placed on their respective circuit; at which point they will fail. This has been the cause of many 'phantom malfunctions'. Consult your vehicle information source for fuse and fusible link locations. If all fuses are in working order, you may want to check TCM relay operation by swapping identical relays. Usually the horn relay, starter relay, fuel pump relay, air conditioning clutch relay, and controller relays are similar enough in design to swap for diagnostic purposes.

B3647 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B3647 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If idle switch circuit malfunction so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the idle switch circuit malfunction.

B3647 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 B3647

A common cause of code B3647 is the failure of Idle Switch Circuit Malfunction, but there are several other possible causes as well, such as ;

Erratic camshaft position due to low oil pressure
Faulty spark plug (s)
Faulty spark plug (s)
Loss of ground.

B3647 code for all cars

You can view according B3647 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B3647 Mercedes Clk 270

+B3647 Plymouth Breeze

+B3647 Porsche 911

+B3647 Chrysler Four

+B3647 Innocenti Koral

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