2000 Toyota 4Runner Questions

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Replaced air box,(potential stripped screw on the MAS) replaced MAS, ( Cleaned original and installed an aftermarket) Replaced TPS, replaced IAC, Replaced ECT, Replaced brake booster ( as per Dealer diagnosis) , checked vacuum lines for breaks. New plugs. No codes. Been to 4 shops, all the incorrect diagnosis. The problem is exactly the same and has not presented itself differently after each repair.
Runs fine on start up. As it approaches normal operating temperature, it will seem to lose power. If you come to a stop and accelerate it bogs down, back fires through the air box. Does the same thing if restarted after 30 minutes. Most noticeable at a complete stop, then acceleration. When the issue occurs , if you pull over and restart the vehicle it will return to normal operation
it only gets a little cold, but not super cold like before? I already recharged it.
once my 5 speed 2000 toyota warm up after I drive about 2-3 miles my truck will not shift into 1 gear nor reverse. What can cause this problem?
Check engine light: have three opinions. 1) Need new convertor 2) do nothing 3) sensors need repair.
I ready check the engine control is good I supouse that the computer does not received energy 12 volt
When warmed up, a hard jarring or hard bump when it shifts up or down in low gears.
The water runs out of the engine in two places.
tranmision go into low gear wihen turn head light on
Transmission was overhauled. When put back. Transmission was overhauled due to water/oil mix up at the radiator resulted in poor pull up on D, worked fine in 2, and L.
It seems something is still wrong after overhaul. What are the possibilities? any computer resting needed after transmission overhaul?
Want to know what other years/models of 4runner can I use for interchangeable parts? body, interior, mechanical?
after i pulled the relay out the base of it continued to chattter is this a serious problem
Many time I need to accelerate hard to get the truck to start moving after a stop. Also on occasion the breaks lock up at slow speed stops.To me it sounds like break caliper issues. It's like they are not releasing pressure? Thanks for your input.
The reason for replceing the parts. was it would run ruff when trying to speed up. but would idle just fine. thank you for your help...
Reset codes and engine light comes back on after about 12 miles with same code. In town and rural miles at different speeds. Engine runs fine with eng light on or off.
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