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)

Or, hide this message: temporarily or permanently

Full Throttle Enrichment, Checking

Checking Full Throttle Enrichment

Test Conditions

Temperature sensor II minimum 60°C (140°F)
CO tester and VW 1367 connected

- Start engine and let idle approximately two minutes
- Slowly accelerate engine until 4000 rpm is reached
CO must read 0.3 - 1.1% Vol.

- Using squared end of tool VW 1490, bridge terminals of connector 2
CO reading must increase above 1.5% Vol.

If CO readings NOT OK
- Replace control unit