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86 toyota truck (22RE fuel injection) runs but doesn't move

(2001 Toyota Tacoma)
in Del Rio, TX on January 11, 2011
1986 toyota truck 4x4, 4cyl, 22RE (fuel injection)
I have replaced all the hoses, tested everything that can be tested, replaced fuel pump, timing belt, O2 sensor, a few sensors, dist. cap, rotor button, spark plugs, wires, AFM, fuel filter(several times), cleaned EGR, EGR modulator filter, injectors, cleaned throttle body.
Dropped fuel tank and cleaned it. replaced hose from AFM to TB. Checked spark, good. Check compression, all 165 +- 5. Pulled spark pugs while running first 3 no change and fourth killed engine.
I lifted the rear end off the ground to check if the wheels are locked up, they moved freely.
my Dad bought the truck many years ago, it never ran right. First it wouldn't idle, to low, now it idles fine.
in 2wd, it barely moves, wants to die, in 4H it goes a little better and in 4L it doesn't move at all.
What am I missing???
Displaying 3 answers & 2 comments
Popular Answer
on January 11, 2011
Sounds like you've done alot to improve engine running qualities- but this sounds like a transmission and/or transfercase problem.
on January 11, 2011
ok, thanks for the reply.
Can you give any pointers on where to start?

on February 05, 2011
So If I understand this right this truck is running off of one cylinder? that's amazing. have you pulled 1,2, and 3 plugs at the same time? are all cylinders getting fuel? have you checked your coil pack? Have you checked spark on all cylinders? have you tried to pull codes off the computer?

I will help you all I can, I love these trucks and have done alot to the five I've had my 86 had 425000 miles on it when my ex got it in the divorce, I currently own an 88 with detroit locker, performance cam and mild lift with 32" tires.
on July 31, 2011
Have not tried all 3 at once. all are getting fuel and coil is new, yes all are getting spark and fuel, but fowling out...
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on August 03, 2011
are the plugs fouling out with gas or oil? did you check for vacuum leaks? pcv valve? if the truck is at idle and you slowly raise the rpm what happens? what kind of reading do you get with a vacuum gauge? Wish you were in las vegas, I could help you more.
The moving in high better than low range is really strange also, it should be the other way around. when you did the compression test did one to three take longer to reach pressure than number four? more revolutions?
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