2000 STS FUEL PUMP WONT TURN ON

  • Tiny
  • 2gr6ryda
  • 2000 Cadillac Seville

My 2000 sts would stall almost everytime I drove it once. It would start back up instantly and not stall again. I thought it was the fuel pump failing. I drove the car dry of gas cause my fuel gauge didnt work properly and I put more gas in and ever since the fuel pump would not turn on. I put a new fuel pump in and it still will not power on. I checked the relay and it was working. Any suggestions as to what can be causing the fuel pump to not turn on?

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Saturday, July 14th, 2007 AT 1:53 PM

2 Replies

  • Tiny
  • merlin2021
  • Expert
  • 17,589 posts

Try changing the Temperature sensor.

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Saturday, July 14th, 2007 AT 4:42 PM
  • Tiny
  • rasmataz
  • Member

If its not the temperature sensor-try checking all 3 relays-cooling fan power relay, High, and low speed relay-aint it could be the PCM not activating the relay.

Hot wire the fan motor, if it comes On go to the relays one by one.

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Sunday, July 15th, 2007 AT 7:17 AM

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