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Subject Topic: Cylinder 3 miss ripping my hair out Post ReplyPost New Topic
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Daktout1971
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Posted: May 02 2019 at 5:57pm | IP Logged Quote Daktout1971

2000 Frontier 2.4
Stopped for gas, restarted it and now it have a miss.

What Iíve done so far....
New plugs
Swapped injectors around.
Ohm out injectors. 8.6 on all
Swapped plug wires
Noid light on the injector harness.

The injector harness is firing.
The plug wire is firing.
The spark plug is firing.
It seems to have good compression. Havenít done a compression test,
but when it runs with the plug out, it blows alot of pressure.
Pulled the valve cover to see if anything was broken or missing.
Check the distributor reluctor wheel, looks good.

Everything is as it should be.

Still have a miss...anyone with the same problem? Any ideas?
Going bald rapidly.
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lakota
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Posted: May 03 2019 at 2:17pm | IP Logged Quote lakota

..

Try a little upper lube. It might be sticky valves.

I have run a little Lawn-boy 2 cycle lube in several engines. Like 4 or five oz per tankful

It has worked for me in my Jeeps & Nissan's.. Don S..

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'99 4x4 3.3 Frontier Se KC Auto, 48,000 miles
'76 4x4 401 Wagoneer QT
'04 FWD 1.8 Sentra '08 FWD 2.4 Camry LE
Fort Worth
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Daktout1971
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Posted: May 03 2019 at 6:16pm | IP Logged Quote Daktout1971

I guess the exhaust valve could be stuck. Kind of odd that it happened
all the sudden.

Tried a can of B12, 2 cans of brake cleaner and a bottle of octane boost
through the throttle body. Poured a good part of it thru the vacuum
booster hose too.
Fouled out the plug badly, replaced it.
It actually started to run on all 4 intermittently for a few minutes and
light throtttle. As soon as it came to a stop at a light, it was back to
missing.
Took the EGR off, clean as a whistle. No carbon, barely even dirty.

Are there known problems with the pickup in the distributor?

Iíve searched every forum, post, video I can find and still canít find
anything on the problem.
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Daktout1971
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Posted: May 03 2019 at 7:45pm | IP Logged Quote Daktout1971

Also....all the injectors ohm out at 8.6-8.7...everything Iím reading says
they should all be at 11-12
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lakota
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Posted: May 04 2019 at 12:35pm | IP Logged Quote lakota

..

I also used Pennzoil synthetic out board oil. Like Lawn-boy oil it is extremely heat resistant and will work well between hot worn parts. When put in the fuel it continues trying to do it's job. I first did this in 1957 in a 1950 Cadillac. It took about a week! That engine died in 1964(rip)...

I've used it in a lot cars and trucks.. Don S..

   

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PLEASE >>> A SIG similar to mine can be VERY HELPFUL to all the members!
'99 4x4 3.3 Frontier Se KC Auto, 48,000 miles
'76 4x4 401 Wagoneer QT
'04 FWD 1.8 Sentra '08 FWD 2.4 Camry LE
Fort Worth
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Daktout1971
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Posted: May 04 2019 at 2:29pm | IP Logged Quote Daktout1971

Iíve heard of running ATF in the fuel too, but mostly in Diesel engines.
Going to give the 2 cycle a try.
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frontierguy
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Posted: May 05 2019 at 5:55am | IP Logged Quote frontierguy

Have you verified the injectors are spraying fuel?

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08 Frontier SE KC 4X4 6speed
'10 Altima SL



Nissan Technician 25 + years
2011 John Deere X720SE
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Daktout1971
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Posted: May 05 2019 at 6:28pm | IP Logged Quote Daktout1971

So itís fixed....donít ask me how or why.

I replaced the cap, rotor, wires and cleaned the distributor and MAF.

Pulled the entire injector rail, and as frontierguy suggested (mad
props), verified the spray on all 4 injectors.

Blocked off the EGR at the exhaust manifold with a nickel.

Put everything back together, and now it purrs like a kitten.
Go figure.....donít care how or why, but it runs right now!
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frontierguy
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Posted: May 12 2019 at 3:52pm | IP Logged Quote frontierguy

Was there any residue in the distributor, under the
plate? If memory serves me , there was an updated dist.
to prevent the residue. Clean it out once in awhile is a
lot cheaper. Glad it is running OK. PS Hope you used
Genuine Nissan electrical parts and Nissan air filter!

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2011 John Deere X720SE
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