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Old 07-19-2013, 06:38 AM
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Join Date: Oct 2012
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Arrow `984 500sel start cold hot no start

1984 mbz 500 sel starts fine cold and when run for small distance it is hard to start and hot now being told sticky injectors also now notice after running and leave idle it surges and stops surging on its own did this several times before shut off. started with idle control replaced everything can think of mechanic kept car 4 months drove the heck out of it gas changed too twice. left outside and vandalized almost year to get this far

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Old 07-19-2013, 11:18 AM
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Join Date: Jun 2011
Location: Las Vegas, NV
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First thing to check would be the fuel accumulator.
It's under the car, by the fuel pump.
It's there to keep the fuel pressure up for a while after the engine is shut off, to prevent hot start problems.
Next would be the check valve in the fuel pump, it can leak pressure after the engine is shut of.

Hook up a fuel pressure gauge and check how fast the system pressure drops after you shut of the engine.

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