Car only runs when gas is pour in throttle body

145

Asked by negnoir Sep 24, 2012 at 03:33 AM about the 1991 Mercedes-Benz SL-Class 500SL

Question type: Maintenance & Repair

91 500sl will not run ignition is ok starter works but no fuel to injectors, new fuel pumps and filter added
car will run as long as gas is poured down throttle body. checked fuel distributor bleed valve gas is making it there but not to injectors

2 Answers
4,395

Paul answered 11 years ago

It is possibly a fuel pressure issue, if the terminal pressure at the injectors is not sufficient the injectors will fail to open, you will need to check the fuel system pressure, before and after the fuel distributor.. Possible failure lies within the fuel pressure regulator.

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