OBD Guide

P1562

Quantity Adjuster Upper Stop Value

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Difficulty starting the engine
  • Dips during acceleration

Causes

  • Malfunction of the fuel quantity regulator
  • Fuel system contamination
  • Electrical wiring problems
  • Engine control unit malfunction
  • Mechanical damage to the fuel pump

How to Fix

  1. Check the condition of the fuel quantity regulator
  2. Clean the fuel system
  3. Check the integrity of the electrical wiring
  4. Test the engine control unit
  5. Replace the fuel pump if necessary

Related codes

Error P1562 by Vehicle Brand