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Xterra Nissan Xterra Discussion Forum

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  #1  
Old 05-21-2017, 01:33 PM
FASTIZCOOL's Avatar
FASTIZCOOL FASTIZCOOL is offline
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2000 Xterra 00 Xterra 3.3
 
Join Date: May 2017
Location: Athens Ohio Suburbs
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Red face Terra down... Help

Cranks... No fire... Pump accelerator with key on bazillion times... Smell no fuel... Checked fuel pump... Squirted me good... Poor old senile fat man needs some help here... A wannabe ase sugessted crank sensor... Help me guys... Im stuck in a sedan til i get terra back on her feet.
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Old 05-21-2017, 05:14 PM
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smj999smj smj999smj is offline
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2006 Pathfinder
2003 Frontier King Cab
2003 Frontier KC SVE 4x4
 
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Well, the crank position sensor on this vehicle, which is located on top of the trans bellhouse, is only used for monitoring purposes and will not cause drivability issues.
To eliminate a fuel delivery possibility, spray carb cleaner into the engine and then try to start the engine. If the engine "fires," then concentrate on a fuel delivery problem. Just because you can get fuel to "squirt" out of the hose does not guarantee proper fuel pressure exists, which should be around 41-45 PSI unregulated and around 34-36 PSI regulated. Fuel pressure gauges can be obtained through "loaner programs" at some of the big name parts stores if you need one, like Autozone. Another fairly common issue is faulty sending units, which were recalled. The electrical circuit through the sender to the fuel pump can corrode and open, meaning there can be power to the sender but it doesn't get to the pump inside the fuel tank. Also, it's a good idea to make sure the spark plugs are not fouled.
If it isn't a fuel delivery issue, then check for spark to the plugs. If there is no spark, it could very well be a bad distributor, which is common on these engines, but one would have to do some circuit and power checks per the factory service manual to diagnose it properly without "guessing and replacing parts." If there was no spark, I would first remove the distributor cap and check the condition of it and the rotor and I would make sure the rotor turns when the engine is cranked. If it doesn't turn, then it could very well be that the timing belt has broke; they are due for replacement every 105,000 miles and/or 6-years, whichever comes first.
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