P006A

MAP - Mass or Volume Air Flow Correlation Bank 1

Fuel & air metering Generic OBD-II High

What it means

P006A means the engine computer sees a mismatch between what the mass air-flow (MAF) sensor reports and what the manifold pressure (MAP) sensor implies for the same conditions on bank 1. The two airflow signals don't agree, so the ECM can't trust its air measurement — often causing rough running, poor economy, or limp mode.

High

Can I keep driving? Often drivable but the car may run rough, hesitate, or enter limp mode; a badly wrong airflow reading can make it hard to start or stall.

Real-world scan data

Seen in

290

scans in the past year

Found in

0.1%

of scans

0.1%

of scans that found faults

Appears alongside · share of P006A scans

P0645in 27.9% of scans

Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.

Common symptoms

What you'll notice

Check-engine light on
Rough running, hesitation, or reduced power
Car may drop into limp mode
Hard starting or occasional stalling in worse cases
Reduced fuel economy

Common causes

Most likely first

Dirty or contaminated MAF sensorLikely
Faulty MAF or MAP sensorCommon
Intake air leak or aftermarket intake affecting airflow readingsCommon
Restricted air filter or clogged intake ductingLess often
Faulty engine control module — rareLess often

How to diagnose & fix

Work through it in order

Read freeze-frame data and compare live MAF and MAP readings against expected values.
Replace a dirty air filter and clean the MAF sensor element with MAF-specific cleaner.
Inspect the intake ducting for leaks, loose clamps, or a poorly fitting aftermarket intake.
Test the MAF and MAP sensors individually and replace whichever reads implausibly.
If sensors and intake are good, consider the ECM last. Clear and re-test.

FAQ

Quick answers

Is it safe to drive with P006A?+

Short trips are usually fine, but the engine may run poorly or enter limp mode. Fix it soon to avoid hard starting or stalling.

Can I just clear P006A?+

You can, but it returns until the airflow-reading mismatch is corrected — often as simple as a clean MAF sensor or a sealed intake.

Read & clear P006A yourself

Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.

▶ Get it on Google Play

✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX