OBD Guide

P1141

Load Calculation Cross Check Range/Performance

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

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Dips during acceleration
  • Check Engine Light Illuminates

Causes

  • Malfunction of the mass air flow sensor (MAF)
  • Problems with the throttle position sensor
  • Air leaks in the intake tract
  • Absolute pressure (MAP) sensor malfunction
  • Problems with sensor wiring or connectors

How to Fix

  1. Check the MAF readings at different speeds
  2. Inspect the intake tract for air leaks
  3. Check the operation of the throttle position sensor
  4. Test MAP sensor
  5. Check the condition of the wiring and connectors

Related codes

Error P1141 by Vehicle Brand