P018A

Fuel Pressure Sensor B Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Difficulty starting the engine

Causes

Open or short circuit in wiring harness
Fuel pressure sensor B malfunction
Poor contact in connectors
Problems with the ECU

How to Fix

Check the integrity of the sensor wiring harness
Check the electrical parameters of the sensor
Clean or replace connectors if necessary
Replace fuel pressure sensor B
Check and update ECU software

Related codes

P018B P0190 P0191