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  #1  
Old 02-27-2008, 04:27 PM
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88 300E not starting

Fuel pump not working..no voltage getting to it. Possible relay or fuse? And where located?

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Old 02-27-2008, 10:47 PM
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Good Luck,

Sam
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Last edited by vtxflyer; 02-28-2008 at 11:31 PM. Reason: didn't know what I was talking about
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Old 02-28-2008, 07:55 AM
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Two suggestions

1. Ignore the previous reply. The O2 sensor is not is the fuel pump path.

2. Try a Search, this question has come up before.
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Old 02-28-2008, 12:12 PM
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Quote:
Originally Posted by JPaz View Post
Fuel pump not working..no voltage getting to it. Possible relay or fuse? And where located?
The relay is located near the firewall behind the battery, there is a plastic sheild which can be easily removed to access the relays. The fuel pump relay will be next to the Klima relay and the OVP (smaller with a fuse on top). More details can be found with a search but a quick check would be to remove the fuel pump relay and jumper pins 7 & 8 to see if you can hear the fuel pumps running.
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Old 02-29-2008, 06:44 PM
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Whee dogies

Thank you, thank you to those that helped me. Pulled the fp relay and jumpered pins 7 & 8 to hear the fuel pumps. After reading about others with similar problems and how some of the solder connections were bad on several I took out the board and sure enough, the first solder connection to the board, opposite the incoming pin 7 or 8(?) was bad. Touched it up and voila, she started right up.
Saved a tow job to the garage, an overpriced part, and 5 minutes to put it in, for a total of proably $250-300.

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