OBD Guide
ENFRDEESPT

P307A

Air Intake System Flow too Low

P307A is an OBD-II diagnostic trouble code meaning: Air Intake System Flow too Low. Common causes: air filter clogged, dmrv malfunction. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Reduced engine power
  • Misfires
  • Increased fuel consumption
  • Unstable idling
  • Check Engine Light Illuminates

Causes

  • Air filter clogged
  • DMRV malfunction
  • Throttle problems
  • Leaks in the intake manifold
  • Contaminated or damaged absolute pressure sensor (MAP)

How to Fix

  1. Check and replace the air filter
  2. Clean or replace the mass air flow sensor
  3. Check the throttle valve for contamination
  4. Check the tightness of the intake tract
  5. Diagnosis and replacement of DBP if necessary

Related codes

P0101P0102P0103

FAQ

What does the P307A code mean?

P307A is an OBD-II diagnostic trouble code that indicates: Air Intake System Flow too Low

What causes a P307A error code?

The most common causes of P307A include: Air filter clogged; DMRV malfunction; Throttle problems; Leaks in the intake manifold.

How do I fix a P307A diagnostic trouble code?

To fix P307A: Check and replace the air filter. Clean or replace the mass air flow sensor. Check the throttle valve for contamination. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P307A?

Yes, but get it checked soon

How much does it cost to fix P307A?

The estimated repair cost for P307A is $6–56. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat