Re: ELCD valve - Saab 9000 Bulletin Board - Saabnet.com
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I think it is called the ELCD valve(no clue what the acronym means), but is is part of the fuel vapor recovery system, rather than EGR (exhaust gas recirculation). A hose connects the gas tank to a charcoal canister inside the right front fender. The Jetronic or Trionic system opens or closes the ELCD valve to the intake manifold to purge the gas vapor stored in the canister. In the Jetronic system, it seems like the valve is triggered by engine speed, so you never really notice it at idle. In the Trionic system, the valve apparently cycles (ticks) all the time based on some criteria, so you can hear it at idle.
posted by 155.104.3...
Posts in this Thread:
- Ticking?????, 96Areo, Thu, 25 Jan 2007 07:39:11
- EGR valve, David Ingram, Thu, 25 Jan 2007 09:11:19
- As others note, it's ELCD valve, sorry for error. n/m, David Ingram, Thu, 25 Jan 2007 12:58:54
- Re: EGR valve, 96Areo, Thu, 25 Jan 2007 09:46:53
- Re: ELCD valve, Gene N
, Thu, 25 Jan 2007 10:40:45 <-- Viewing This Message
- hey thanks for that info i have the sameticking noise, mark, Thu, 25 Jan 2007 09:22:50
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