OBD Guide
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P115D

Mass Or Volume Air Flow 'A' Air Mass Too High Compared To Model

P115D is an OBD-II diagnostic trouble code meaning: Mass Or Volume Air Flow 'A' Air Mass Too High Compared To Model. Common causes: malfunction of the mass air flow sensor (maf), air leak in the intake tract after the mass air flow sensor. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Is On
  • The engine may go into emergency mode

Causes

  • Malfunction of the mass air flow sensor (MAF)
  • Air leak in the intake tract after the mass air flow sensor
  • Contamination or damage to the air flow sensor
  • Problems with the MAF wiring or connectors
  • Malfunction of the engine control unit (ECU)

How to Fix

  1. Check the air flow sensor for contamination and clean if necessary.
  2. Check the tightness of the intake tract after the mass air flow sensor
  3. Check the wiring and connectors of the air flow sensor
  4. If necessary, replace the mass air flow sensor
  5. If the problem persists, check the ECU

Related codes

P0101P0102P0103

FAQ

What does the P115D code mean?

P115D is an OBD-II diagnostic trouble code that indicates: Mass Or Volume Air Flow 'A' Air Mass Too High Compared To Model

What causes a P115D error code?

The most common causes of P115D include: Malfunction of the mass air flow sensor (MAF); Air leak in the intake tract after the mass air flow sensor; Contamination or damage to the air flow sensor; Problems with the MAF wiring or connectors.

How do I fix a P115D diagnostic trouble code?

To fix P115D: Check the air flow sensor for contamination and clean if necessary.. Check the tightness of the intake tract after the mass air flow sensor. Check the wiring and connectors of the air flow sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P115D?

Yes, but get it checked soon

How much does it cost to fix P115D?

The estimated repair cost for P115D is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat