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  #16  
Old 02-27-2011, 05:21 PM
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Default Re: Not firing #2 -#3 cyl on 1992 4 cyl 2.3L

good news ..truck is running on all 4! still cant believe a 50 cent 8 mm bolt can keep a truck from firing up but it can!! thanks everyone
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  #17  
Old 04-17-2011, 09:42 AM
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Default Re: Not firing #2 -#3 cyl on 1992 4 cyl 2.3L

I have the same problem. No spark from #2 and #3,
Autozone said the ICM was fine, So I have been replacing EGR related Sensors, and both coil packs and wires and sparkplugs.

I can pull off the plug wires one at a time while it is running, no spark jumping at 3 and 2 cyls.

My tach. does not read correctly and sometimes it will start working and It feels like they are all running.

This all started after changing plugs and wires. they were the original ones at 119000.

I think I am ready to change the ICM
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  #18  
Old 04-18-2011, 05:02 PM
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Default Re: Not firing #2 -#3 cyl on 1992 4 cyl 2.3L

Yeah zebra...i would try the ICM the autozone scanner is going to read it is fine because it partially is. It is firing 1 and 4 no prob....Mine did the same thing right after plug and wire change...I know its a expensive guess mine was 155 bucks at napa. However it worked...let me know how it goes for you.
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  #19  
Old 04-18-2011, 06:31 PM
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Default Re: Not firing #2 -#3 cyl on 1992 4 cyl 2.3L

I found an ICM @ Amazon for $85. I have already had that thing off once. and my hands are almost healed.
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  #20  
Old 04-19-2011, 04:48 PM
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Default Re: Not firing #2 -#3 cyl on 1992 4 cyl 2.3L

yeah good deal..i put mine on twice also. the first time i broke the bolt which is on the lower left side. it broke in the manifold. i took the ac compressor off to get the bolt out and then puting the icm back on was no prob. be sure to put a liberal amount of dielectric grease on the back of the icm or that manifold will toast that sucker in 10 minutes.....good luck.
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  #21  
Old 04-24-2011, 09:49 AM
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Default Re: Not firing #2 -#3 cyl on 1992 4 cyl 2.3L

The new ICM fixed it. It's running on all 4 and the tach. works
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  #22  
Old 04-25-2011, 03:45 PM
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Default Re: Not firing #2 -#3 cyl on 1992 4 cyl 2.3L

good deal!
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  #23  
Old 06-21-2012, 09:43 AM
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Default Re: Not firing #2 -#3 cyl on 1992 4 cyl 2.3L

boblove1


Little late on this but I am searching for a diagram for the coil and plug wire configuration. I have foud several on the web and would like a for sure answer if possible.
Thanks
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  #24  
Old 06-21-2012, 11:32 AM
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Default

I had to replace mine cuz it was only sending current to the auxiliary coil. When replacing it i lost 1 bolt but works fine, its a coincidence but I've had to replace it every year during our hurricane season. Someone told me its because of the humidity.

GO GO POWER RANGER!!!
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  #25  
Old 03-23-2013, 09:01 AM
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Default Re: not firing on #2

changed icm, crank sensor, everything checks out but still no fire on #2
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