Correction- yes, it runs from the ALDA to the electric valve. I will try to
round up some hose to run from the banjo to the ALDA.
The car feels like it is starving for fuel- but it could be that the turbo is
running but the ALDA is not sending the signal to the pump for additional fuel.
I also suspect a clogged intake screen in the tank could be a possibility- but
wouldn't there be lots of air in the pre filter or other visible evidence of a
clogged screen?
Could this be as simple as clogged injectors, or is an ALDA / pressure issue
more likely?
----- Original Message -----
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, July 08, 2005 5:46 PM
Subject: Re: [MBZ] Alda Line
In a message dated 7/8/2005 2:21:38 P.M. US Mountain Standard Time, [EMAIL
PROTECTED] writes:
So, while I'm at the process of cleaning out the injectors I clean the
banjo
fitting- good. Then I check hoses from the Alda to the vacuum amplifier
(blue disk shaped thing) and they let air pass okay. But here's the
strange
thing- with the "Y" adapter that attacheds to the ALDA disconnected the car
drives equally slow.
I have 2 2.5's -- this one has less power (although has gotten better with
the purge)
If I disconnect the "Y" at the ALDA, I should see some performance
difference, no? What to check next?
John,
I don't know why your ALDA would be connected to the vacuum amplifier
(normally this is for the auto transmission modulator)! From the banjo on the
intake manifold, the pressure signal should go through a normally open electric
valve (part of over boost protection) and then to the ALDA. On yours there may
be a tee in the line for an electronic sensor/monitor.
For a GOOD test, you should run a pressure line directly from the banjo
fitting to the ALDA.
Please review your connections and try the test I mentioned.
Jim Friesen
Phoenix AZ
79 300SD, 261 K miles
98 ML 320, 136 K miles
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