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  #1  
Old 04-07-2012, 02:19 PM
1sikmax 1sikmax is offline
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Default Nissan tech plzz help me...

I put a new motor in my 00 Maxima and she started right up... No misfires shaking noting she was purring like a baby... I let it run for about 30 min so everything could get in sync but the car turned off and didn't turn back on...this happened Wednesday and I still havn't been able to get the car on... I'm getting fuel to the engine but Iits drowing the plugs... I'm pretty sure i'm not getTing any spark cause all the car does is crank but doesn't turn on I hooked up a power probe i'm getting power and ground thru the wiring 2 the coils but no spark... What could it be?
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  #2  
Old 04-07-2012, 04:42 PM
1sikmax 1sikmax is offline
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All these views but no1 2gimme any ideas.. Wassup
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  #3  
Old 04-07-2012, 05:48 PM
1sikmax 1sikmax is offline
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Any body
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  #4  
Old 04-07-2012, 06:12 PM
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bennyb53 bennyb53 is offline
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You might need to replace your crankshaft and camshaft sensors.
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  #5  
Old 04-07-2012, 06:59 PM
1sikmax 1sikmax is offline
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Quote:
Originally Posted by bennyb53 View Post
You might need to replace your crankshaft and camshaft sensors.
That's it?
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  #6  
Old 04-08-2012, 11:16 AM
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NissanTech NissanTech is offline
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Quote:
Originally Posted by 1sikmax View Post
All these views but no1 2gimme any ideas.. Wassup
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Originally Posted by 1sikmax View Post
Any body
Quote:
Originally Posted by 1sikmax View Post
That's it?
We have problems and life of our own as well.


Did you use the engine from the same model and year?
Did you replaced or inspect the camshaft position and crankshaft position sensors?
What is the fuel pressure (PSI)?

Quote:
I'm pretty sure i'm not getTing any spark cause all the car does is crank but doesn't turn on
This is not enough information. Are you getting or not spark?

I suggest starting by checking if there is spark at each cylinder, and if there is spark you may have to do a compression test.

The new motor you install may have jumped timing.
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  #7  
Old 04-08-2012, 11:34 AM
1sikmax 1sikmax is offline
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Quote:
Originally Posted by NissanTech View Post
We have problems and life of our own as well.


Did you use the engine from the same model and year?
Did you replaced or inspect the camshaft position and crankshaft position sensors?
What is the fuel pressure (PSI)?

This is not enough information. Are you getting or not spark?

I suggest starting by checking if there is spark at each cylinder, and if there is spark you may have to do a compression test.
HP
The new motor you install may have jumped timing.
No the motor its from a 01.. But I had to swap manifolds causer I was told they were different...Theres no spark in any cylinder accept the 1st 1 closest to the altinator...i havnt changed or done anything with the cam and crank sensors... The fuel psi im not exactly sure cause I didn't check it...but I am getting fuel I hear the pump priming...and how does a car with a timing chain jump timing...thought that only happens with timing belts
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  #8  
Old 04-08-2012, 12:03 PM
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NissanTech NissanTech is offline
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Quote:
...i havnt changed or done anything with the cam and crank sensors...
If you are not getting any spark you should start by checking or replacing the sensors.
Quote:
The fuel psi im not exactly sure cause I didn't check it...but I am getting fuel I hear the pump priming...
You need to check if there is good fuel pressure at the injector
Quote:
and how does a car with a timing chain jump timing...thought that only happens with timing belts
Broken timing chain guides, worn out guides, stuck close tensioner, no oil pressure at tensioner, overtight bearings, damage camshaft gears, damage crankshaft sprocket, poor oil pressure, etc. Specially with used engines.
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  #9  
Old 04-08-2012, 12:21 PM
1sikmax 1sikmax is offline
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Thanx Nissan tech... Ill get to work...
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  #10  
Old 04-10-2012, 07:08 AM
1sikmax 1sikmax is offline
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Yo thanx allot guys..I changed the sensors and the car started with no problems..appreciate the help Benny nd Nissan tech...
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