Quote:
Originally Posted by Diseasel300
Does it act this way when stone cold or only when warm/hot? 1985 is a transitional year, the older K-jet system didn't run the fuel pump unless the engine was rotating and did no pre-prime when the key was turned. It relied solely on the fuel accumulator for good starting. Symptoms of a failed accumulator are a slightly longer crank when cold, but extended cranking or failure to start when hot or heat soaked.
If it's always starting hard, it may be that the cold start injector isn't working or it may be that someone has messed with the fuel mixture adjustment on the fuel distributor and gotten it too rich or too lean.
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I think it starts easiest when cold. When I notice it most is when it has been driven and then it sitting for a few minutes - like in or our of a store for instance. Then if I did not try the key a few times to run the fuel pump it would crank for a long time. It does always start though.
Is there a way to check the accumulator or is it more of a try to narrow the symptoms and then just try a new one?
I can see the accumulator and it appears easy to access. Any instructions on how to change it and will it dump a whole tank of gas on me if I loosen it up?
Also - part number if someone has it would be great just to confirm. My car is a 1985 280SL which is a Euro model M110 engine.
Someone mentioned a potential check valve - is that a possibility?
thanks again!