OBD Guide

P02E1

Diesel Intake Air Flow A Control Performance

P02E1 is an OBD-II diagnostic trouble code meaning: Diesel Intake Air Flow A Control Performance. Common causes: air filter clogged, malfunction of the mass air flow sensor (maf). Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Unstable idling
  • Black smoke from the exhaust pipe

Causes

  • Air filter clogged
  • Malfunction of the mass air flow sensor (MAF)
  • Airflow control solenoid valve problems
  • Open or shorted wiring harness
  • Malfunction of the engine control unit (ECU)

How to Fix

  1. Check and replace the air filter
  2. Diagnose the air flow sensor and, if necessary, replace it
  3. Check the operation of the solenoid valve
  4. Check the integrity of the wiring harness
  5. Reset error and test drive

Related codes

Error P02E1 by Vehicle Brand

FAQ

What does the P02E1 code mean?

P02E1 is an OBD-II diagnostic trouble code that indicates: Diesel Intake Air Flow A Control Performance

What causes a P02E1 error code?

The most common causes of P02E1 include: Air filter clogged; Malfunction of the mass air flow sensor (MAF); Airflow control solenoid valve problems; Open or shorted wiring harness.

How do I fix a P02E1 diagnostic trouble code?

To fix P02E1: Check and replace the air filter. Diagnose the air flow sensor and, if necessary, replace it. Check the operation of the solenoid valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P02E1?

Limited driving only, diagnose soon

How much does it cost to fix P02E1?

The estimated repair cost for P02E1 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat