Question about 1986 Toyota Pickup 4WD

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No power I have a 1986 Toyota pickup and it is having problems after third gear and no power in fourth. I tried adjusting the timeing and the fuel mixture screw and the idler screw but nothing has seemed to help with my problem please help?

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86 ? have you checked for restriction in the exhaust, perhaps catalytic converter?

Posted on Nov 29, 2008


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How do I adjust air fuel mixture on 1986 Toyota Cressida straight 6 cylinder dohc

Unless your engine has a carburetor, you can't adjust your fuel mixture. That is done by your cars computer. It analyzes your exhaust emissions and adjusts your fuel/air ratio.
Your oxygen sensor(s) may need to be replaced, or there may be a computer glitch causing the problem.

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Hi! I have a 1993 toyota pickup and recently it stopped shifting into third or fouth gear. it runs perfect in first, second, fifth., reverse. It started when i pulled out in first and i heard a pop and...

Check first the fluid if it needs replacing or you may need to add more. Dirt in the fluid may be a sign that the valve for the 3rd gear may be dirty or full of debris. If one gear is dirty normally the next gears are affected.

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I have a 1986 Toyota pickup tuck that sputters and stalls and blows black smoke off and on why?

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take it back to where you have it rebuilt soumd some thing was not fix properly

Oct 13, 2009 | 1986 Toyota Pickup 4WD

1 Answer

I need to adjust my fuel to air ratio on a 1986 Nissan how do i do that

OK, Im gonna assume you mean CARBURETED 86 truck, If you want to adjust idle mixture, there is a small (1/4 inch or so) plug in the base of the carb between 2 small vacuum hoses. Carefully remove it (punch a hole or drill it at an angle then bry it out with the hole you made and a small screwdriver). Then you can adjust IDLE mixture. Off idle, you may also have an altitude compensator (about the size of a tennis ball, 3 medium sized vacuum hoses to it side by side, 1 big nut and stud on 1 side). Adjusting that adjusts mixtures as well, but should be done only with an analyzer. beyond that, fuel is computer if its rich or lean, you have a mechanical issue or a fuel control problem...not an adjustment

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Hard to start

Fuel pump is a possible cause but I would check the ignition timing first.

Jun 30, 2009 | 1986 Toyota Pickup 4WD

1 Answer

1986 Toyota Corolla. I have pre-ignition, could this be the timing, and what shall I do to fix this problem. I have a timing light, could someone give me a step by step instruction on how to fix this...

Here's a link that may be of some assistance to you, but if your in doubt, 5-10 minutes at a shop should be all it takes a mechanic to check & adjust it for you. There is an old tried & true way without the use of a timing light, if your interested in trying it. There are other things to take into consideration also, as in if it's carburetor, air.fuel mixture adjustments, if vehicle makes a lot of short trips, may be carboned up inside etc. Maybe getting back to us with more particulars, on engine etc.and your level of experience will help.

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1986 Toyota pickup, Hilux fuel pump

NO the problem most likely is your carb. draining down or accelerator pump not working.

Jan 01, 2009 | 1986 Toyota Pickup 4WD

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