P0174 Trouble Code

View P0174 obd/2 error code description and symptoms. P0174 engine photo

Low Speed Fuel Pump Primary Circuit Malfunction The PCM monitors the low speed fuel pump (LFP) primary circuit output from the PCM.
The test fails if: When the LFP circuit is commanded on (grounded), excessive current draw is detected on the LFP circuit; or when the LFP circuit is commanded off, voltage is not detected on the LFP circuit (the PCM expects to detect VPWR voltage coming through the low speed fuel pump relay coil to the LFP circuit). Open or shorted low fuel pump (LFP) circuit Open VPWR to low speed fuel pump relay Damaged low speed fuel pump relay Damaged PCM An open circuit or short to ground can only be detected with the low speed fuel pump.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

P0174 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P0174 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 p0174 system too lean bank 2 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 p0174 system too lean bank 2.

P0174 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 P0174

A common cause of code P0174 is the failure of P0174 System Too Lean Bank 2, but there are several other possible causes as well, such as ;

EVAP canister or fuel tank leaks
EVAP canister or fuel tank leaks
Exhaust gas leaks
Exhaust gas leaks

P0174 code for all cars

You can view according P0174 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P0174 Gaz 31

+P0174 Hyundai Portico

+P0174 Toyota Crown

+P0174 Triumph Tr

+P0174 Mercedes Sl 400

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

About Us | Contact | Privacy