My truck will crank right up, when its cold..it runs perfect, but when its hot or hot outside, it will start chugging. It got so bad that I couldn't go past 10 mph. I put it in 1st gear and didn't hit the gas and it was chugging. 2nd gear, did the same thing, 3rd and 4th gear did it too. A guy told me that it was the mass air flow sensor, bought that..and did it worse. I dropped the fuel tank, cleaned it out and bought a new fuel pump, still did it. I bought a fuel filter, knock sensor, TPS sensor, injectors, distrubotor, cap, rotor button, wires plugs, and new coil. I bought this truck from a man who had it sitting outside for 2 years with no motor or anything in it. I got the motor rebuilt. I've went to 3 different people about the chugging and no one can figure it out. HELP!
SOURCE: 1985 toyota 4x4 22re missing and rough idle
Have you pulled out the spark plugs to see if there are any tell tale signs on them.They are a good indicator of many problems that occur and can save a lot of time isolating the problem.They should all be the same colour.Is the air box and lid properly secured with no leaks or splits in the intake tube.Have you put injector cleaner in the fuel tank to clear up any possible dirty injectors.Therse a few things your problem could be including engine vacuum leak which you can find by lightly spraying carburettor cleaner around suspect places such as inlet manifold and around injector seals.
SOURCE: 1989 toyota 22re pickup lopes at idle and
Its possible you have a faulty EGR valve or PCV valve.
SOURCE: 93 TOYOTA HILUX ( 22RE ) STARTS THEN STALLS AFTER 1-2 MINUTES
Try cleaning the throttle body.Check the air-gap for the pick-up coil inside the distributor assembly(use a brass feeler gauge)
Check valve clearances if needed(possible tight intake valve adj.)
Check base timing(follow instr. via under hood label)
Hope this helps.
SOURCE: 22RE no power. 240K on body Rebuilt motor w/ 1k on it.
check to see if plug wires are cracked or burnt threw from laying on exhaust manifold
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