1989 22re idles fine no power
#1
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1989 22re idles fine no power
need help... recently purchased a 1989 4runner 22re. Was driving down the road about 45mph truck start backfiring and went into what feels like "limp mode". I know can no longer get above 15mph and its running bad shaking backfiring etc. the only way I can even get it out of the yard is in 4low cause it just wants to stall. it still starts right up and idles fine. I have checked compression, 150 in all four cylinders. I have messed with timing as well as replaced fuel pump, spark plugs, plug wires, and distributer cap with no results. A few people have recommend looking into my AFM but it looks fairly new/ clean so not sure if that would be it. Any help would be great, thanks.
#2
Did you adjust/ check the TPS? Distributor? Plugs and wires? Pull each plug wire one at a time and see if there is any change in idle. If you pull a wire and there is no change then you know there's something wrong with that cylinder. Ie, bad injector, etc. I'd start there.
#5
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Check the distributor/pug wires are connected to the right spark plugs. I can tell you from experience, you can switch the #3 and #4 wires and it will start normal and idle smoothly, but have low power. Not as bad as yours. Did the previous owner install new plugs right before you bought it?
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