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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Fuel Tank Pressure Sensor Inspection




1. Check sensor air vent hole and pressure passage for clog. Clean if clogged.
2. Check sensor O-ring for damage and deterioration. Replace as necessary.
3. Check sensor for operation referring to " Fuel Tank pressure sensor Check". If found defective, replace.