OBD Guide

P1188

Fuel Pressure Monitoring - Leakage

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Difficulty starting the engine
  • Check Engine Light Is On

Causes

  • Damage to the fuel line
  • Fuel pump malfunction
  • Problems with the fuel pressure regulator
  • Leak in fuel tank
  • Fuel filter clogged

How to Fix

  1. Check fuel lines for leaks
  2. Check the operation of the fuel pump
  3. Inspect the fuel pressure regulator
  4. Replace damaged components
  5. Check the fuel tank for leaks

Related codes

Error P1188 by Vehicle Brand