i have a 89 toyota 4x4 22re 5 speed cap,rotor,wires,plugs are all new a month ago when it rains or is really damp out i dont have much power till i hit about 4000rpm then its like somone rearended my truck and it takes off like a raped ape but it only does this when it rains any ideas???????

 

I've heard about O2 sensor wiring getting wet causing problems. Other than that I don't know. Make sure that harness is dry and get it out of any wet areas. Maybe wrap with some electrical tape?

 

could be moisture getting in the cap

 

i have sprayed wd40 in the cap and no change wouldnt wd40 displace any moisture

 

wd40 would help quite a bit if that was a problem, also try putting dielectric grease in your plug wire boots. with something like this, your only choice is to just do one thing at a time till you nail it, as frustrating as it is.

 

What the heck? Where is the other thread titled JUST LIKE THIS ONE?

I know there is one, cause I posted in it.

 

this problem is even more frustrating for me cause at the moment 3rd gear is out of my tranny and it really hard to get going lol

 

Oh, you mean this one. https://www.yotatech.com/forums/f116/3-0-rain-221104/

 

sorry mine is a constant sputter till i hit about 4000rpm and then bam

 

drove the truck today and it was fine till i got about 2 miles down the road and started again

 

i sure hope u didn't use bosch wires or plugs

 

idk about the plugs but i know the wires arnt

 

i've always heard that Bosch were good.
what's wrong with them?
(not that I'm partial to any particular brand, I don't have any experience in this area and am just curious)

 

bosch is a good brand but they just don't work well with toyotas from what I have read. NGK or Denso is the way to go.

 

no bosch here lol

 

Yep, the pick-ups INSIDE the distributor have went south and are
picking up the ambient moisture in the air. Toyota service in Japan
did a bulletin EVER ago on it. I had the exact issue in my 93" 4R.

It felt like the ignition was kickin in / out then BOOM it would accelerate.
Those pick-ups aren't replaceable either. Look for a another distributor.

 

will have to try that along with a new coil and distributor cap