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Introduced in May 1999, the 2000 model year Maxima (designated A33) was a refresh of the previous car, designed at Nissan's La Jolla, California design studio during 1996–1997 under Jerry Hirshberg.

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2000 Maxima misfire and stalling after warmup

Having trouble with my 2000 Maxima, clean throttlebody, tested IAC valve, replaced MAF sensor, now I can feel a misfire. It has stalled on me several times and is reluctant to restart, what is the proper way to test ignition coils ?

Is it possible that it is fuel related? 147,000 miles on this car, do not know the history of the fuel filter.

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@jkinnardinc before replacing any parts, I suggest you get your Nissan scanned. Check places like Autozone etc. that will scan it for free. Let us know what codes if any, your scan shows.Here is what the SM says about the rough idle:"

TEST ITEM

POWER BALANCE

Condition

  • Engine: After warming up, idle the engine.
  • A/C switch “OFF”
  • Shift lever “N”
  • Cut off each injector signal one at a time using CONSULT-II.

JUDGEMENT

Engine runs rough or dies.

CHECK ITEM (REMEDY)

  • Harness and connector
  • Compression
  • Injectors
  • Power transistor
  • Spark plugs
  • Ignition coils

Block Image

Attached is the ENGINE CONTROL SYSTEM part of the SM This shows you what and where to check, but some of the checks will require specialized tools.

No Job Name

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I appreciate the feedback, after another test drive after fixing the exhaust, I realized I had a misfire that was becoming more and more pronounced, in 25 years of wrenching on cars, I made another mistake, I did not look at the plugs first. The service history on this car when I bought it was almost immaculate, I thought for sure the previous owner had taken care everything. They had not taken care of spark plugs, I felt like such a rookie, The spark plugs had almost no electrode left at all. I am getting my new spark plugs today and I believe that will solve my problems. Thank you again for the help. Please don’t make the same mistakes that I did, check the basics first.

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It will run ruff like that when it's condesour like 7 dollar party from nissan

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It may be the knock sensor. It is located under your manifold. Its a small, 1 inch in diameter, circle on the front of the manifold. Take the top of the manifold off, (the black plastic part) the fuel rails, harnesses, exct, to get to it. Its about a 2 hour job to take it apart, and another 2 hours to put it back together. Fixed my 2000 maxima. She purrs like a kitten now!!!!

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Alternator not charging correctly caused my I30 Infiniti to misfire. Before I begin here, this car has 110k but had new spark plugs 8k miles and ran perfect until my misfire issues. Occasionally it has a coil go like everyone else has learned but not like this time.

It first showed cylinder #1 misfire code so I replaced plug & coil. All seemed well but a couple days later #5 cylinder also misfired and a spark plug fixed it.

There is a small relay in the coil wiring harness that can cause irattic misfires too so I replaced it too along with #5 spark plug and while there I switched coils around to just verify coil good/bad.

No change, it misfired #5 again 3 days later with other coil on it. Another new plug fixed it once more.

At that point alternator not charging also showed up in codes. Finally!!

It's really what caused it all but each misfired cylinder plug failed , gas fouled due to no fire is my guess? NGK plugs are very tough, ran them almost 50yrs from dirt bike days.

Original coil I removed was placed back on #1 after new alt installed and still doing fine.

No coils were ever bad in my case so a bad battery, terminal issues, elect short or bad alt can all cause misfire’s on todays cars so fully check that charging system & wiring before buying any parts. Sucks chasing misfires down on these cars. Hopefully all that will vanish for many yrs. Lmao. I wish..

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Jacob Kinnard さん、ありがとうございました!
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