P0102

Mass or Volume Air Flow Circuit Low Input

Severity: Medium Fuel & Air Metering Generic OBD-II Code Est. Repair: $80 - $350

Schedule diagnosis soon. Continued driving may worsen the issue.

What Does P0102 Mean?

MAF signal lower than expected.

Common Symptoms

CEL
Hesitation
Stalling possible

Possible Causes

Dirty/failed MAF
Unmetered air after MAF
Wiring
Restricted intake

How to Fix P0102 – Repair Guide

Clean/replace MAF
Check for post-MAF leaks
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Recommended OBD2 Scanners & Tools

To read and clear this code yourself, you need a reliable OBD2 scanner. Here are top-rated options:

BlueDriver Bluetooth Pro OBDII Scan Tool

Professional Bluetooth scanner with live data, enhanced diagnostics (ABS/SRS) and repair reports. Works with iPhone & Android. No subscription fee.

$70 - $120
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ANCEL AD310 Classic Enhanced OBD2 Scanner

Best-selling handheld code reader. Read & clear engine codes, live data, freeze frame. No phone required. Highly rated for beginners.

$25 - $40
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FIXD Bluetooth OBD2 Scanner

Simple plug-and-play sensor that explains codes in plain English via free app. Ideal for first-time users.

$35 - $60
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Disclaimer: Information is for educational reference only and does not replace professional diagnosis. Actual causes and costs vary by vehicle make, model, year and condition. Always verify with a qualified technician.