OBD Guide

P2074

Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Higher Load

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

Symptoms

  • Unstable engine operation at high speeds
  • Reduced engine power
  • Dips during acceleration
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Air leaks in the intake tract
  • Malfunction of mass air flow sensor or MAP sensor
  • Problems with the throttle position sensor
  • Throttle valve contamination
  • Damage to the sensor wiring harness

How to Fix

  1. Check the tightness of the intake tract
  2. Clean throttle body
  3. Check the performance of the air flow sensors/mass sensors
  4. Check the integrity of wiring and connections
  5. Scan the system for other errors

Related codes

Error P2074 by Vehicle Brand