500 SEL Engine help
OK The car:
1985 500SEL 196,000 mI On cold start - very very rough, black smoke worse than a sick diesel, rough in any RPM range missing when hot at idle and black smoke, smooth at running speeds Seems to be a vac leak somewhere, as climate control defaults to defrost when driving could this be the only cause? Not familiar with the gassers - about to resort to a indy could the original timing chain have anything to do with it? I have looked and looked for the vac leak w/tester but not familiar enough with the engine to find. It looks like the lines UNDER the intake are not in the correct spots. are there any diagrams for this? |
I would check the cold start valve for leaking or spraying for more than a few seconds when starting. Try a search - several posts on how to do it.
You could also have a worn-out o-ring in the fuel distributor. If you can't check fuel pressure, get professional help. |
yes, I believe that is the final solution. I have plenty of porsche and mercedes DIESEL tools, but don't really want to buy another $3k in specialty tools for the benz gassers - not even my car!
Anybody know of a trustworthy mechanic in the Denver area? I have always done my own work and would hate to refer my dad to a bum. |
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