The linkage all moves fine. The filter has not been changed so its
probably about 90% sure to be the problem. Thats the first step for
sure. Its CIS/K I think, but not sure. And yes, the sensor plate feels
just like its supposed to.
Hendrik Riessen wrote:
Well...............it may be the filter. If it is old, change it. However
there are other possibilities such as blocked screen in the fuel tank (not
likely due to the suddenness of the problem). Weak fuel pump (not likely due
to the suddenness of the problem). From there things get more tricky (more
likely).
Is it the CIS or CIS/E (K or KE) jetronic injection system?
What troubles me is the suddenness of the problem (am I repeating myself?),
if it was filter related I would expect a gradual loss of performance unless
some really filthy fuel went into the system. The oilers will agree that
blocked filters come on slowly and not just one day I was zipping along and
the next day it was no go.
Agreed that if the engine revs with external fuel delivery then ignition and
air supply problems can be ruled out, so back to the fuel system.
Have you checked the throttle linkages to ensure they can move their full
amount of travel (the throttle flap should move about 80 degrees)?
Have you checked the sensor plate for ease of movement? When pushed down
there should be slight resistance all the way down and then should snap
shut. You can also push down the sensor plate with the motor idling, it
should stall.
The only real way of diagnosing the system is with fuel pressure gauges,
which I don't have.
Anyway you can try changing fuel filters but I have a feeling there might be
bigger probs.
This is a nice overview of the system
http://www.auto-solve.com/mech_inj.htm
some more things that could be wrong
http://www.forparts.com/techbosKjectronic.htm
Hendrik
----- Original Message -----
From: "Trampas" <[EMAIL PROTECTED]>
To: "'Mercedes Discussion List'" <[EMAIL PROTECTED]>
Sent: Monday, January 02, 2006 6:23 AM
Subject: Re: [MBZ] the warp drive mystery
Good to know that you have it figured out!
Trampas
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Kaleb C. Striplin
Sent: Sunday, January 01, 2006 2:04 PM
To: Mercedes mailing list; Banned List
Subject: [MBZ] the warp drive mystery
Well I went over to my dads where I stashed the car and loaded it up on
the trailer. Decided to use the 6.2 suburban instead of the usual 1 ton
6.5 turbodiesel to haul it back home. Boy is there a difference in
towing. With the 6.5 turbo, I dont even know there is a fully loaded
trailer hooked on the back. With the 6.2, I know its there. Still tows
fine though. Anyways, back to the 380. Barely had enough power to load
on the trailer. Once home, I took the air cleaner off and fired her up.
Of course wouldnt rev up past about 2k in neutral. Brought out the
gas can and just putting the nozzle over the throttle body cause it to
be able to rev up. just from the fumes. Poured a couple of drops down
it and she revved all the way up. The conclusion is the filter has to
be plugged up. I guess running it so lean trying to keep up speed was
enough to superheat the exhaust. Doesnt appear anything is wrong with
the exhaust that I can tell.
--
Kaleb C. Striplin/Claremore, OK
89 560SEL, 87 300SDL, 85 380SE, 85 300D,
84 250 LWB, 83 300TD, 81 300TD, 81 240D, 81 240D,
76 450SEL, 76 240D, 76 300D, 74 240D, 69 250
http://www.striplin.net
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Kaleb C. Striplin/Claremore, OK
89 560SEL, 87 300SDL, 85 380SE, 85 300D,
84 250 LWB, 83 300TD, 81 300TD, 81 240D, 81 240D,
76 450SEL, 76 240D, 76 300D, 74 240D, 69 250
http://www.striplin.net
