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Old 03-14-2006, 07:33 AM
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JBR JBR is offline
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Join Date: Nov 2005
Posts: 122
73 450sl runs horrible

It seems as if every time I do something to the car it runs even worse.
New fuel lines, Injector cleaner, Some new vac lines,new cap,rotor,plug wires,new plugs fuel filter.
Things I have noticed.
Manifold pressure sensor, The wires were in reversed. I switched.
On the fire wall are 2 vac pods, with small vac lines top and bottom, also electrical wire on bottom. The one on the pass. side has an open port(no vac line to it?). Should I plug it? The one to the right of it has an open port on top with a small goose neck vac line. The vac storage container under the pass fended had a broken line which I fixed.
The car seems to run on only a few cylinders. It starts easy now that I found the small red wire on the + battery post was not allowing the fuel pump to run.
It runs like s**t when its cold and like s**t when its warmed up. Once it warms up it will idle so low that it will stall. When I drove the car home in Nov 05 it ran much better than it does now.
I have sprayed carb clenaer around the injectors and heard no difference.
Any ideas out there. Thanks
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Stable:
1973 450sl
1978 red diamond ice vette
1975 steel blue convertable vette
2002 steel blue dakota quad.
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