Engine is in the very lean condition at this moment. Reading through the threads on hot start issue, you may conclude that most or a lot of these issues are related to fuel supply. Your system seems to be working perfect when cold.You can briefly check the influence of operation of the cold start system on your hot start by manually providing power to Cold Start Valve while cranking hot engine. You may consider becoaming a Full Member - it is not a huge investment, it pays off very, very quickly. The details of these systems are described in the Technical Manual, in the sectin for Full Members.
My impression is Mercedes have never solved this issue really. The same set of devicces is responsible for some injection during warm start, but it may not work during the warm start. In essence it is about a temperature feeling device sending a signa to activate a Cold Start Valve on the intake manifold to inject additional portion of fuel for certain time and in certain engine temperature conditions. Type "hot start issue" - exactly like I wrote and you will see many results.Īs for the starting aid, primarily cold - there are, I think 3 systems, older and newer on our cars. There are a lot of threads on this forum about hot start issues. And I am basing what I write on a thorough study of the related threads on this forum. I write about your issue as I went through it myself. Hi! I think you are starting a great adventure with your car! Not that I want to perform all repairs myself, but would like to be more informed. I am looking for any advice, vocabulary to engine parts, and helpful information to pull me away from being so dependent on an auto shop. But hey, maybe it's just an old part that needs replacement. Not claiming the guys don't do quality work, but on one of the threads I read somewhere that with modern tools the parts could have been over-tightened, possibly. I also read the solenoid could have been installed incorrectly. Because the engine starts up just fine when the car's been sitting, but doesn't start well at all when it's warm, I'm thinking the cold start valve works ok and the other doesn't. It looks like there are two starter valves: a cold start valve (CSV) and, I guess, the not-cold-start-valve (I'm learning, be nice!). Recently, when I drive it for about 10 minutes to get to the gas station, I pump the gas, and then try to start it up and it won't start. No issues aside from needed to give it a few pumps as to not shut off since it's cold. My 66 starts up after sitting for a month or two in an instant. So the entire engine was taken apart to inspect if any other problems were present. I am not as familiar with automotive repairs as my dad and granddad were, but consider myself handy and would like to learn more about the car rather than take it to the one guy in town who works on this class of vehicle. I have a '66 230 SL that has been in my family since it came off the line in 1966. I also found two repro tanks, different manufacturers for $425 and $485.Hello. Of the people I spoke with who had used the radiator shop, they all had good results, but their cars are show cars that only get a few miles per year, then sit in comfortable polished garages. They would do a caustic boil, phosphoric wash, then sealer. The best old school radiator shop near me looked at it and said no problem fixing mine. My local Mercedes dealership quoted me over $1100 for a new genuine tank.
Condensation above the fuel line I suppose? The exterior is like new, but inside the bottom and sides are very clean and the whole top is rusty. I drained what was left of the gas after evaporation (nasty molasses gunk and solids). The tank was filled with gas before it was garaged. I've wire brushed, scraped, prodded the area, and this seems to be the only damage. One is 1/8" round, the second is 1/16" wide and an inch long. Long story short, I've gone through and cleaned the entire fuel system lines, pump, regulator, etc, replaced the necessary, now faced with a fuel tank that I found two pinholes in the top along a seam. I have a 1966 250se coupe that I've been working to get back driving after sitting in a garage since 1992.
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