Hello I have a 1982 Toyota pickup with a 22r I recently got it from a family member and it had been sitting for some time after another family member took it and beat it up pretty good. Was given back to my original family member and sat for a few years she had got periodic maintenance done to it while it sat and then it was given to me to try and bring it back. It has a lot of sentimental value to me as it was the first truck I learned to drive when I was 11. I know she had gotten the carb rebuilt and a few other things done before I took it and she had put in fuel treatment but she thinks she has put to much in I知 not sure if that could be the cause to the black smoke and running rough but I pulled out about 5 gallons of gas today and was going to add some fresh gas to dilute the older gas. I知 not sure if this carb is a closed system or if I知 able to adjust the fuel screw as I知 thinking it might be running to rich and need to lean it out to get it to stop smoking any help is greatly appreciated

 

Just my guess but I would suspect that you have a rich condition due to a blocked or partially blocked idle circuit, so the engine is trying to run on the main circuit only. Either that or that old gas just doesn't want to burn completely anymore. Unburned gas is a rich condition.
Adding fuel treatment won't save old gas. And trying to "dilute" old gas with new is a waste of new gas (see 1st note below). Asking the engine to run well on 2+ year old gas is not a good or reasonable expectation.
I base this on my own experience(s) & the fact that you said it was sitting for a long time.

If it were me I'd do the following:
- Completely drain the tank of ALL the old gas. Get it all out of there. There should be a drain plug on the bottom of the tank.
- Replace ALL of the rubber fuel lines with new lines of the correct size. Those old rubber fuel lines can deteriorate over time inside & release rubber particles into the fuel. Those particles are what can block up the idle passages in the carb.
Also, if that "2+ year old gas" has any Ethanol in it, the fuel line problem could be worse. Older rubber fuel line was not made to handle gas with Ethanol in it, & Ethanol can & will break that old rubber down. It's happened to me.
- If it hasn't already been done, install a new fuel filter. On your '82 it should be located under the bed, inline with the main fuel feed line. This will keep any remaining "junk & trash" out of your carb.
- Check all the vacuum lines & replace any that are broken, cracked or brittle.

The above is the minimum I would do. You're going to have to keep in mine that this is a 42 year old vehicle that has been sitting. Both those things always require work & effort to make things work well again, so don't take shortcuts. Just do what is needed.

 

any update about that issue ?

 

Ok sounds good sorry I been really busy and haven稚 had a chance to check the thread but I will try and drain and replace the fuel lines filter and vacuums lines. I appreciate the input would you say I need to clean the carb at all? From what I could see it looks pretty clean but I haven稚 taken it apart yet just from taking the air filter off it looks very clean!

 

I would probably clean out the idle circuit as best as I could with some carb cleaning spray to make sure it isn't blocked. Beyond that, if you plan on keeping & driving the truck, I'd either rebuild the carb or send it to National Carburetor for a freshly rebuilt unit.
https://nationalcarburetors.com/toyo...arburetor_1982
I'd personally prefer that second option, due to the fact that the truck had been sitting for so long and I don't know the previous history on it. That way I'd know the carb is right without question.

 

sorry for the late reply my son was born and I致e been spending a lot of time with him but you wouldn稚 recommend replacing fuel lines? Also? Or should I do these 1 or 2 things before I go that route I致e been looking for fuel lines for my truck but haven稚 been able to find the correct one I知 not sure if a 4x4 one would work the same as the standard one any info is appreciated thank you!

 

Congrats on your son, that is certainly very understandable so no worries.
I did recommend replacing all of the rubber fuel line, back in my post of March 12 2024; you can see it above. If you mean something other than the rubber lines you need to let me know that so I can also make a recommendation.
The correct rubber fuel line size for either the 20R or 22R is 1/4' inside diameter, or 6 mm. I would also replace all of the clamps while I was at it.

 

thank you he痴 defiantly a blessing but your most recent post you had mentioned cleaning the idle circuit and rebuild the carb. Do you have recommendations for locating a replacement fuel line I致e only found ones for a 4x4 I知 not sure if it痴 the same thing or not? I haven稚 looked into the 20r fuel lines but the only ones I could find for the 22r were only for 4x4s

 

You're going to have to get more specific about what "fuel lines' you mean. Since my reply concerning the rubber lines doesn't seem to be what you are looking for, I am assuming you mean the metal 'hard lines'? And if so, do you mean the hard lines that go to a mechanical fuel pump on the cylinder head, or do you mean the 'hard lines' that go from the fuel tank forward to the engine bay?

If you do mean any of the metal 'hard lines' your options are limited. New ones from Toyota are unavailable (discontinued), and I am unaware of any aftermarket ones being available. So you would either have to find some good used ones (I have recommendations for that), have someone qualified bend up and make new ones for you, or learn how to bend up your own. That last option is what I had to do on my '78, because no new hard lines are available for th 20R trucks.

I did look around and saw the '4WD' lines you mentioned (Lines2Go?), and I think they would work, as long as your 2 wheel drive version is also a 6.5 foot short bed. The only substantial differences between the 2 wheel drives and the 4WD units is the drivetrain. Both have the same engine (either the 22R or 22RE) and often the same transmissions (like the W56 5 speed manual), but with the additions of a transfer case, front axle and different hubs.

The best advice I can give you on those aftermarket lines is to visually compare the shapes and bends of your originals to what they show and see of they are largely similar. Beyond that, you will either have to 'bend up' some replacements of your own or have it done.

You might also do some searching in the 84-85 trucks forum section to see if anyone has posted about this before. There could be other info or answers out there on the forum.

 

ok I wasn稚 sure if the 4x4 version would be the same as mine as far as I知 aware it is a 6.5 foot bed so I will go ahead and order that line and see if that plus the rebuild on the carb and we will see how things go after that I知 hopping that will fix the issue! I appreciate your help!