Loss of Power 79- 450 SL

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monarchd's picture


My 1979 - 450 SL losses power when the engine gets warm.
When it is cold or just started it has lots of power.
All filters are new, Catlic converter taken out, and fuel distributer changed.
Has anyone experienced this and solved it?

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Anonymous's picture

Hi Phil check the fuel pressures cold and hot from the warm up fuel pressure regulator,also check the vac hoses to it for excellerator enrichment.joeym

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