Pagoda SL Group

W113 Pagoda SL Group => Drive train, fuel, suspension, steering & brakes => Topic started by: gcw206 on August 19, 2018, 23:07:07

Title: Acts like out of fuel
Post by: gcw206 on August 19, 2018, 23:07:07

My 1969 280SL acts as if she is out of gas, but wait a few minutes, and she starts right up.  I had a similar problem several years back, and I replaced the rusty fuel tank (the problem), all of the filters, and the fuel pump.  She has run flawlessly ever since (until now).  When she started acting up, the fuel tank was full, the fuel looked very clean when observed through the access hole in the trunk floor, the fuel pump delivered a bit more than 1 liter every 15 seconds (as tested), and the fuel filter was replaced (I have a fuel tank filter in hand that I am going to replace tomorrow).  I suspect that the fuel delivery system is fine; however, I have not ruled out the venting system for the fuel tank.  I understand that the standard MBZ fuel cap is not vented, and all venting comes through the venting system? Is there an easy way to test the fuel tank vent system?  Does anybody have any other ideas? 

Title: Re: Acts like out of fuel
Post by: ja17 on August 20, 2018, 05:24:58

Check the filter screen inside the intake fitting of the electric fuel pump. Test the venting by removing the gas cap if the engine falters again.

Title: Re: Acts like out of fuel
Post by: wayne R on September 27, 2018, 10:34:09

This is similar to  a problem i just had, and  a new set of distributor points and condenser
fixed the problem,regards.

Title: Re: Acts like out of fuel
Post by: MikeSimon on September 27, 2018, 13:40:08

Seems like a common problem...

https://www.sl113.org/forums/index.php?topic=27978.0