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1989 300e starting problem

Tiny
GBVETTE98
  • MEMBER
  • 1989 ALL OTHER MAKES ALL OTHER MODELS
1989 300e (109k miles) won't start. If I pull the fuel pump relay it will start and run until it runs out of gas ( about 5-10 seconds) I then put the fuel pump relay back in, and it wont start, after a few cranks I pull the relay out and it starts again until it runs out of gas again (5-10 seconds)

Is this a bad relay? I have second one I got from a junk yard from a 300e with 150k miles and it does the exact same thing?

Any ideas?

Also, what is the other relay behind the fuel pump relay for?
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Wednesday, February 28th, 2007 AT 5:00 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
All fuel infested cars, if the starting cicuit is good will be told by the computer to supply power to the fuel pump for 10-15 secs. Any dash lights on? Pull codes if yes. Then in the same location as the relay the should be a fuse, at least in American cars this is true. If not check for fuel pump fuse in the car!
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Monday, March 5th, 2007 AT 4:10 PM

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