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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EGR Temperature Sensor: Testing and Inspection

EGR Temperature Sensor Test:





Check resistance change and resistance value at 1OO°C (212°F).
Resistance should decrease in response to temperature increase.

Resistance: At 1OO°C (212°F)..85.3 ± 8.53 K Ohms

If Not Good, replace Exhaust Gas Recirculation (EGR) temperature sensor.