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Since last post I discovered that pressure does decay when the engine is hot intermittantly. I've seen it hold fine in some circumstances and decay so fast you can see the pressure gauge needle moving. Pulled the fuel rail and found no leaking injectors. I saw the pressure decaying while the injectors were out and dry. Must be the check valve or regulator. However if I turn the ignition on the pressure comes back up to 43 psi nearly instantly. While the pressure decay is not good, I'm not sure that is the problem.
Went to store to get new plugs. When I came back pressure down to 10 psi and engine cooled some. Installed new plugs and engine will not start. Occasional backfire but no start!!!!! Grrrrrr
Ron
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