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1990 Nissan Sentra car wont start

Tiny
SLICK379
  • MEMBER
  • 1990 NISSAN SENTRA
Engine Mechanical problem
1990 Nissan Sentra 4 cyl Front Wheel Drive Manual

My sister in law pulled up to the store shut it of and now it wont start, nissian told her either computer or distribitor, her boy friend changed both still will not run, I tried a comp out of friends car and it did not start. He told me one time he grounded the wire to injectur and it started tried agin and nothing.
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Tuesday, July 29th, 2008 AT 5:10 AM

8 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you hear the fuel pump when key at run position? If so check the fuel pressure with a fuel pressure gauge then report back the readings this is where we start the diagnosis-
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Tuesday, July 29th, 2008 AT 5:13 AM
Tiny
SLICK379
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Yes fuel pump does come on, the problem I should have said was it turns over but does not spray fuel out injector. Tried injector in friends car and works fine.
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Tuesday, July 29th, 2008 AT 5:18 AM
Tiny
RASMATAZ
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Tried injector in friends car and works fine. If this the case replace the injector
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Tuesday, July 29th, 2008 AT 5:24 AM
Tiny
SLICK379
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  • 7 POSTS
Sorry tried her injector in friends car and it workeked fine in his car, we tried a iode light, to check for power to injector when car turns over nothing, checked grounds from battery all good
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Tuesday, July 29th, 2008 AT 5:30 AM
Tiny
RASMATAZ
  • MECHANIC
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Test the main relay and the inline resistor to the injector
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Tuesday, July 29th, 2008 AT 5:43 AM
Tiny
SLICK379
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Were is the resistor located
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+1
Tuesday, July 29th, 2008 AT 5:48 AM
Tiny
RASMATAZ
  • MECHANIC
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What is the wire colors on the injector-mine showing black that goes to the resistor and comes out from it red to the main relay-do you have this color the diagram am working on is blurry unreadable wish I can help you more-
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Tuesday, July 29th, 2008 AT 5:58 AM
Tiny
SLICK379
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  • 7 POSTS
One white one black, found were they go in to computer. Looks like they leve injector go threw firewall and into the cab to computer
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Tuesday, July 29th, 2008 AT 6:23 PM

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