Question about 1987 Nissan Pathfinder

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1987 Nissan Pathfinder 3.0 @Operating temp no acceleration

I've replaced : the fuel pump, cap, rotor, plugs & wires. The truck runs great until it reaches operating temp or so it seems. The truck is not overheating and it won't accelerate the tachometer won't get over 1800 rpms with out complete loss of spark, the only way it'll rise over that is to diesel it downhill by downshifting. I am leaning towards the coil overheating and losing spark there. The voltage gauge is reading within 14 - 18 on the dash while running. On the way to the parts store to get a coil.

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  • robey420508 May 12, 2009

    getting good pressure at the carb but i haven't replaced the fuel filter

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  • 103 Answers

When last did you change the fuel filter ?

Posted on May 12, 2009

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My 95 Pathfinder has sat idle for a couple months and now it won't start.


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My 2000 Nissan Pathfinder runs good when first starting up but as it warms up it begins to sputter when accelerating and the rpms jump, but does't get good acceleration. I've replaced the fuel...


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My nissan pathfinder won't stay running evethough I start it as it should be. I'm not sure what preventing it from running?


Here are some things to check:

1. Make sure the starter relay is good ( this can be tested with a fuse tester) - touch the two prongs on tester to two prongs on relay until the light on the tester comes on - (if not a tranparent relay) if not light comes on, then the relay is no good.

2. If relay is good - check the spark plug wires, and plugs to make sure the wires are not frayed, secured to plugs, and plugs are not loose.

3. If these are good, if it has a distributor, check the cap and rotor. The rotor may be craked, and the metal prongs in the cap may be worn and grooved.

4. If these are good (which even if worn will still work), have the alternator tested. You may have a faulty alternator.

Also consider replacing the fuel and air filter before all things as usually it is the simplest of things. The fuel or air filter may be plugged.

Please let me know if you need further assistance.

carsandcomps,

Guru, Premium Expert @ Fixya.com

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you have two different problems. first your gauge may have a bad ground or bad sending unit . try fuel injector cleaner as they may be gloged for hesitation .

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