Quote:
Originally Posted by sobamaflyer
I have an identical setup to yours and am having identical problems, except that I have cold AND hot start issues. It can take a couple of minutes to get mine running when cold, it will start back up VERY easily after a 5 minute drive, it will take a couple minutes to restart after a good long drive and an hour or so cool down. (The car runs wonderfully after it's started)
I also do NOT have the bottom nipple on the accumulator, original ('75) fuel pump, accumulator, etc. From my research here, I was on tonight to order a new accumulator, but now the advice above has me 2nd guessing that? Can it really take that long to re-build pressure if the pump's check valve is bad?
Is there another suspect area for the issues we are experiencing?
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CIS can drive you crazy. The key is to eliminate the likely suspects first and that takes diagnosis. Please remember, the OP doesn't have a fuel gauge set which is one of the basic tools for dealing with CIS issues. With the gauge set, you can readily identify or eliminate the check valve as a possible suspect. My advice, in the perfect world, would be to test the residual pressure
first to see if it is even part of the problem. To answer your question, of course there could be another suspect but avoid speculation and needless parts purchases by doing a step-by-step investigation to narrow down the possibilities.
BTW, your cold start issues my be related to too high cold fuel pressures--something that could be checked with a pressure gauge set as well. IMO, anyone who wants to work on a CIS engine needs to make an investment in a gauge set.