What Is Code P018C? P018C is an OBD II fault code that stands for “Fuel pressure sensor “B” Circuit Low”. There are a few things that can cause this code like a bad sensor, or high or low fuel pressure. It pops up when the Power Control Module (PCM) receives an erratic signal voltage from the fuel pressure sensor.

Where is the low fuel pressure sensor?

The fuel tank pressure sensor is part of the fuel pump assembly and is mounted on top of the tank or inside the tank. It’s part of the evaporative emissions system (commonly referred to as “EVAP”) and reads pressure in the fuel system to detect evaporative leaks, such as a loose or faulty gas cap.

What does code P018B mean?

The Fuel Pressure Sensor monitors the fuel pressure in the fuel system. The Fuel Pump Control Module uses this information to adjust the fuel pump’s on time as needed. If the Fuel Pump Control Module does not see a change in pressure from the Fuel Pressure Sensor when the fuel pump is activated, it will set code P018B.

How do you read fuel pressure with obd2?

Using a diagnostic code reader

  1. Start your engine and let it idle for several minutes. You can also take your vehicle for a short 10-minute drive to warm up the engine. …
  2. Connect the scanner to your OBD 2 port. …
  3. Pull-out Stored OBD-II Error Codes. …
  4. Check The Live Fuel Pressure Data.

Can I drive with a faulty fuel pressure sensor?

Engine stalling might occur as the fuel rail pressure sensor goes from bad to worse. You will be driving and then suddenly, your engine will stall. It may also stall while idling. This will make driving extremely difficult (and dangerous) and it should motivate you to do something about it.

What are the symptoms of a faulty fuel pressure sensor?

Following are the main symptoms you would observe when the fuel rail pressure sensor goes bad:

  • Poor Fuel Mileage.
  • Sluggish Acceleration.
  • Problems in Starting.
  • Stalling.
  • Engine Check Light.
  • Unburnt Fuel in Exhaust.

How do I fix code P018B?

Get it checked and replace if needed. Fuel Pressure Sensor – Fuel Pressure Sensor is an important car part which should never be neglected. May be there is some fault in it due to which P018B code may start flashing. Fuel Pump – A faulty Fuel Pump can be troublesome.

What is fuel pump control module?

The Fuel Pump Driver Module controls the voltage delivered to a vehicle’s fuel pump. By controlling the voltage, the module maintains optimal fuel pressure and fuel delivery to the engine throughout its full operating range.

How do I fix code P069E?

Removing or replacing a faulty fuel pump controller or damaged fuses and relays. Replacing the fuel pump controller with an updated version if the existing one is defective. Repairing or adjusting wiring harnesses to make sure they are not shorted, grounded, broken. Adjusting the vehicle’s voltage shutoff (inertia) …

What is a good fuel pressure reading?

5- to 10-psi

Fuel pressure for most vehicles should stay in a 5- to 10-psi range. But, techs should make sure to look at the service information for the specifications. Other data PIDs used to regulate the fuel pump include the engine position sensors.

What causes low fuel pressure?

Typical causes for low fuel pressure include a dirty fuel filter, weak pump, incorrect tank venting, restricted fuel lines, a clogged pump inlet strainer and faulty electrical control.