Thread: 1980 450 SL
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  #6  
Old 08-09-2000, 10:06 PM
stevebfl stevebfl is offline
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Join Date: Mar 2000
Location: Gainesville FL
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You have fuel pressure drop off and then vapor lock as a result.

The system should maintain about 3 bar residual pressure for long enough for the motor to cool. This isn't a problem cold and fuel pressure often drops to zero over night, but builds almost instantly.

Common problem is pump check valve or pressure accumulator diaphram.

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Steve Brotherton
Owner 24 bay BSC
Bosch Master, ASE master L1
26 years MB technician
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