Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Air Flow Meter/Sensor: Testing and Inspection





Inspection

1. Check the MAFS visually.
A. Mounting direction correct.
B. Any contamination, corrosion or damage on connector.
C. Air cleaner's clogging or wet.
D. MAFS cylinder's deforming or blocking by any foreign material.
2. Check any leakage on intake system and intercooler system.