Question about 1984 Toyota Xtracab
Will not idle
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Posted on Jan 02, 2017
SOURCE: 1994 Toyota Truck 22R Engine
If you're doing it by yourself, drop the fuel tank.
Make sure it's almost out of gas first.
If you pull the bed, it's the bolts that hold the bed in, the wiring to the tail lights, and the tank filler neck to take loose. Then you have to pick up the bed of the pickup (a couple hundred pounds).
To get the tank out, it's the filler neck, and unbolt the straps that hold it in. Depending on how much fuel is in it, is how much it's going to weigh.
But as you loosen the straps, you can use a floor jack to hold the tank up. Same when putting it back in.
So I would go with taking the tank out, and not pulling the bed off.
Posted on Aug 01, 2008
SOURCE: Rough idle until warm 22r
if it is a carburated engine it is probably the a.a.p. diaphragm in the carb. if you remove the air cleaner and look on the side of the carb that is towards the valve cover near the front yow will see a vacuum hose going to a cover that is fastened with 3 screws. if you pull the vacuum line off you will see that there is probably fuel being sucked into the line due to the leaking diaphragm. the vacuum source is temp controlled and cuts off when warm. but when cold sucks fuel directly into the intake. remove the 3 screws to replace the diaphragm, being carefull of the spring. good luck!
Posted on Dec 18, 2008
SOURCE: 1987 toyota 22r engine
That is usaully the vacuum advance diaphram on the distributor. Its job to advance the distributor when at idle. The diaphrams inside rot and leak air, causing it not to advance. Take off the distributor cap and use a vacuum pump to individualy test each port (two of them) on the vacuum advance diaphram. You should see it pull back, if not replace it. They are sold at your local auto store, oddly its cheaper to get a whole distributor that has one for $100 that to get it alone for $150.
Posted on Dec 28, 2008
Could be a throttle position sensor going bad or a loose or leaking vacumm line or loose or worn wiring harness. You had mentioned the engine starts heating up. Do you mean overheating or operating above normal temperature? Sounds like a vacumm issue with the fluctuating idle. Check for worn vacumm lines and check to see if the vacumm is functioning. Sometimes a simple vacumm line with a loose connection or a small hole in it can affect your idle. Old lines are easily replaceable and an inexpensive place to start, then try your egr valve, pcv valve, brake booster vacumm line, oxygen sensor could be worn and affecting the mapping of fuel and air on the computer. Usually the check engine light will come on in this case.
Posted on Apr 18, 2009
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