CHANGE FUEL PUMP, RELAYS AND POWER TRANSISTOR AND IT WONT START

  • Tiny
  • franciscobermudez
  • 1997 Mitsubishi Montero
  • 316,000 miles

I have 1997 mitsubishi montero 3.5L V6 and a I have change the fuel pump, cam and crank sensor, fuel pump relays and the power transistor, still it wont start, what could it be?

Sunday, August 19th, 2012 AT 6:42 PM

14 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

Start with basics. Check compression, fuel pressure and spark.

Find what is missing and we go from there.

Roy

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Sunday, August 19th, 2012 AT 6:46 PM
  • Tiny
  • franciscobermudez
  • Member

Already did that and nothing, the fuel pressure comes ok

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Sunday, August 19th, 2012 AT 6:48 PM
  • Tiny
  • franciscobermudez
  • Member

The thing is my fuel does not receives electricity

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Sunday, August 19th, 2012 AT 7:01 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

Ok, what is the compression?

Where did you test for power for fuel pump?

Roy

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Sunday, August 19th, 2012 AT 7:08 PM
  • Tiny
  • franciscobermudez
  • Member

The fuel pump is not receiving electricity, I check the relays they are new

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Sunday, August 19th, 2012 AT 7:46 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

Where did you check for voltage? At the pump or relay?

Roy

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Sunday, August 19th, 2012 AT 7:47 PM
  • Tiny
  • franciscobermudez
  • Member

In both, in the relay says 12v in the pumo says 0.22v

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Sunday, August 19th, 2012 AT 7:49 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

Ok, the relay needs 2 12 volt feeds. One for the control and one for load. Do you have 2 hot terminals?

Roy

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Sunday, August 19th, 2012 AT 7:53 PM
  • Tiny
  • franciscobermudez
  • Member

Yes, there are two relays, ehat do you mean wuth hot terminala?

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Sunday, August 19th, 2012 AT 7:55 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

No, 1 relay. There are to be 2 terminals that have 12 volts on the connector.

Roy

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Sunday, August 19th, 2012 AT 8:00 PM

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