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1999 nissan pathfinder not starting cranking have spark and…

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1999 nissan pathfinder not starting...
1999 nissan pathfinder not starting cranking have spark and gas is coming.have injector pulse ,try look for the code with the scanner not communicating with the engine.it is communicating with other components
what would be the problem?
Submitted: 1 month ago.Category: Nissan
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Answered in 1 minute by:
3/6/2018
Nissan Mechanic: Clifton B., ASE Master Auto Tech replied 1 month ago
Clifton B.
Clifton B., ASE Master Auto Tech
Category: Nissan
Satisfied Customers: 4,659
Experience: ASE Master Certified Tech, Nissan Master Certified Tech, 12 yrs. experience in auto repair.
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hi my name is ***** ***** i will be helping you today

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Nissan Mechanic: Clifton B., ASE Master Auto Tech replied 1 month ago

if there is no communication with the ecm then that is most likely the cause of the problem you should first check all fuses then if ok check for power and ground to the ecm ,if you have power and ground replace the ecm before you do that also check the idle air control valve under the throttle body sometimes they burn out and short the ecm out .

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Customer reply replied 1 month ago
i checkrd the fuses all good
how to check the power and ground to the ecm
Nissan Mechanic: Clifton B., ASE Master Auto Tech replied 1 month ago

i​ will get you a wire diagram to help

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Customer reply replied 1 month ago
still waiting for your response
Customer reply replied 1 month ago
i disconnect the ecm connector and i dont find any numbers.
Customer reply replied 1 month ago
i did check all the power and ground every thing good.what would be the problem
Customer reply replied 1 month ago
installed brandnew distributer
Customer reply replied 1 month ago
hello you there sir
Nissan Mechanic: Clifton B., ASE Master Auto Tech replied 1 month ago
Did you set the timing when you install the distributor and y did you replace the unit
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Customer reply replied 1 month ago
because of it didnt start thought maybe the cam sensor and replaced the distributor
Nissan Mechanic: Clifton B., ASE Master Auto Tech replied 1 month ago

DID YOU TIME THE DISTRINUTOR ?

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Customer reply replied 1 month ago
timing is good i pointed to the no 1 cylinder
Nissan Mechanic: Clifton B., ASE Master Auto Tech replied 1 month ago

yes but is it one number intake or exhaust ??

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Customer reply replied 1 month ago
i am not sure can you tell me how to check pls
Nissan Mechanic: Clifton B., ASE Master Auto Tech replied 1 month ago

do you have spark now

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Nissan Mechanic: Clifton B., ASE Master Auto Tech replied 1 month ago

and do you have a timing light ??

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Customer reply replied 1 month ago
have spark and gas coming
i dont have the timing light
Nissan Mechanic: Clifton B., ASE Master Auto Tech replied 1 month ago

ok there is only two way to set the distributor if you line up the number one cylinder try this turn the crank last mark on the pulley then look to see if the distributor is at number if it is turn the crank again one complete turn line up last mark then remove the distributor and reinstall correctly . if it is not remove and install the unit again but do not turn the crank

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Customer reply replied 1 month ago
ok i did the way you said and the car is now not just cranking like before now trying to start but not starting almost start but dont want to
Nissan Mechanic: Clifton B., ASE Master Auto Tech replied 1 month ago

sounds like the distributor timing is still off you need to get a timing light to check this

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Customer reply replied 1 month ago
I removed the spark plug and put the piston to TDC and check the rotor timing was ok
Nissan Mechanic: Jay, Nissan Technician replied 1 month ago
Jay
Jay, Nissan Technician
Category: Nissan
Satisfied Customers: 21,389
Experience: 20+yrs experience with Nissan & Infiniti Trained & Certified.Currently still working for Dealer
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Hello my name is ***** ***** thank you for your question.

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Customer reply replied 1 month ago
Still I couldn't find the problem
Nissan Mechanic: Jay, Nissan Technician replied 1 month ago

So would you like me to help you with this to see if we can figure out a direction of repair?

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Customer reply replied 29 days ago
hi sorry for the delay i am still struggling with this car can you help me please.
Nissan Mechanic: Jay, Nissan Technician replied 29 days ago

Do you have a Volt Meter?

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Nissan Mechanic: Jay, Nissan Technician replied 29 days ago

Lets turn the key to the ON position, and with the volt meter, check voltage at each pin at the OBD2 port. You should see 3 pins with battery voltage.

Go through that and let me know what you find..

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Customer reply replied 29 days ago
two pin giving battery voltage 11 something and one gives 4.5 volts
Nissan Mechanic: Jay, Nissan Technician replied 29 days ago

That is a sign of bad Ecm. What color wires are getting power?

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