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:




1. Check resistance change and resistance value at 100°C (212°F).

NOTE: Resistance should decrease in response to temperature Increase.
Resistance: 100°C (212°F) 85.3 ±8.53k Ohms

2. If NG, replace EGR temperature sensor.