change fuel pump, relays and power transistor and it wont start

1997 MITSUBISHI MONTERO
316,000 MILES
Avatar
FRANCISCOBERMUDEZ
  • MEMBER
  • 8 POSTS
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?
Aug 19, 2012 at 6:42 PM
Advertisement
Avatar
ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
start with basics. check compression, fuel pressure and spark.

find what is missing and we go from there.

Roy
Aug 19, 2012 at 6:46 PM
Avatar
FRANCISCOBERMUDEZ
  • MEMBER
  • 8 POSTS
already did that and nothing, the fuel pressure comes ok
Aug 19, 2012 at 6:48 PM
Advertisement
Avatar
FRANCISCOBERMUDEZ
  • MEMBER
  • 8 POSTS
the thing is my fuel does not receives electricity
Aug 19, 2012 at 7:01 PM
Avatar
ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
ok, what is the compression??

where did you test for power for fuel pump??

Roy
Aug 19, 2012 at 7:08 PM
Avatar
FRANCISCOBERMUDEZ
  • MEMBER
  • 8 POSTS
The fuel pump is not receiving electricity, i check the relays they are new
Aug 19, 2012 at 7:46 PM
Avatar
ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
where did you check for voltage?? at the pump or relay??

Roy
Aug 19, 2012 at 7:47 PM
Avatar
FRANCISCOBERMUDEZ
  • MEMBER
  • 8 POSTS
In both, in the relay says 12v in the pumo says 0.22v
Aug 19, 2012 at 7:49 PM
Avatar
ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
ok, the relay needs 2 12 volt feeds. one for the control and one for load. do you have 2 hot terminals??

Roy
Aug 19, 2012 at 7:53 PM
Avatar
FRANCISCOBERMUDEZ
  • MEMBER
  • 8 POSTS
Yes, there are two relays, ehat do you mean wuth hot terminala?
Aug 19, 2012 at 7:55 PM
Avatar
ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
no, 1 relay. there are to be 2 terminals that have 12 volts on the connector.

Roy
Aug 19, 2012 at 8:00 PM
Avatar
FRANCISCOBERMUDEZ
  • MEMBER
  • 8 POSTS
In 1 relay there is only one terminal with 12v
Aug 19, 2012 at 8:15 PM
Avatar
ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
ok, thats most likely your issue. you need 2 feeds. check the diagram i sent you

Roy
Aug 19, 2012 at 9:05 PM
Avatar
FRANCISCOBERMUDEZ
  • MEMBER
  • 8 POSTS
Where is the terminal harness side conector
Aug 19, 2012 at 9:31 PM
Avatar
ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
it sounds like you need help.maybe you should get a shop to help you with this as you need experience to attempt this diag.

Roy
Aug 19, 2012 at 10:09 PM