toyota T-100, misfire on number 4 cyl.

120

Asked by Mar 06, 2010 at 11:18 PM about the 1996 Toyota T100 2 Dr DX 4WD Extended Cab SB

Question type: Maintenance & Repair

1996 Toyota T-100 4x4, 3.4 Liter V-6.  Mis-fire on number 4 cylinder. I changed plugs wires and swapped coil packs, still misfires.

7 Answers

120

It doesnt misfire all the time, somedays not at all. been mis-firing regularly.

12 out of 12 people think this is helpful.
90

I am having the same issue with my 1996 T-100 4X2 2.3 Liter V-6 (222,000 miles). My misfire is on cylinder 3. Did the same things: changed plugs, wires, and switched coil. Still misfires. It pretty much misfires all the time now. The 1st week I noticed it, it would run good and misfire regularly like yours, but now it never fires. Don't know what to do with it next. Sorry I am no help to you. Just letting you know there are others with the same issue recently.

9 out of 9 people think this is helpful.
80

I have the same problem as well on #4 they original told me I had a injector needing replaced so they did and still the same???

8 out of 8 people think this is helpful.
40

1996 Toyota T-100, 3.4 V6 2WD 103,600 miles: Mis-fire on 2 cyl in May 2010. ended up putting in new injector. Drove from MN to AK now September 2010: Miss-fire on 4 cyl - all potential electrical problems looked at. I'm not any help but want to follow this thread if anyone pipes in about a known issue. Thanks!

4 out of 4 people think this is helpful.
100

Guys I had the same problem on my 95 T100 3.4 V6 4WD. I had a misfire on number six. Check your fuel injector. I did the check with the screw driver trick. I could hear is clicking but very soft. Replaced it and no more misfire. Hope this help. The truck now has 310,000 miles on it.

10 out of 10 people think this is helpful.
30

I have a 1995 T100 3.4 4wd with 175k miles on it, replaced all the injectors, plugs (with dual electrode ones), plug wires, and coil, but still having a misfire on cyl #2 and very rough idle, had a compression test done and all is good there, also replaced the fuel filter, I am at my wits end... Does anyone have any opinions? Thanks

3 out of 3 people think this is helpful.

A control issue? (computer)

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