fuel issue on 86 toyota pickup help plzz????
12-24-2009, 06:50 PM
#24
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AFM= air flow meter, sits on top of the air filter, and has a duct that goes from it to the throttle body
the charcoal canister should have a line to the intake, through a VSV (vacuum switching valve)
the charcoal canister should have a line to the intake, through a VSV (vacuum switching valve)
12-24-2009, 07:41 PM
#26
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well it checks out fine just not sure from the back end does the vapor line connect to the tank or the fuel pump bracket? if i know that then it might be backwards ,but up top it looks connected correctly. and for the fuel pressure regulator, how do you know if its going out?
12-25-2009, 02:36 PM
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Go by yourself a manual mate...were running around in circles here. There is three connections on the top of your tank, as said your pump output (pressurized), return, and evap. From the tank your pump output goes to the fuel filter on the block and then to the front side of the fuel rail. The return goes from the pressure regulator back to the tank. The Evap from the tank goes to the charcoal canister.
You can only really test the fuel regulator with a fuel rail pressure tester. If the fuel rail pressre stays within spec then the regulator is working. You can sometimes use the return line and a bucket to visually see if your fuel flow is constant or not. A pulsed flow often comes with a bad reg, but not always !
You can only really test the fuel regulator with a fuel rail pressure tester. If the fuel rail pressre stays within spec then the regulator is working. You can sometimes use the return line and a bucket to visually see if your fuel flow is constant or not. A pulsed flow often comes with a bad reg, but not always !
12-25-2009, 07:21 PM
#30
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It doesn't explain the out of the blue issue....If fuel was filling the intake plenum it would essentially choke the engine (no air)....but it would have done it instantly, you wouldn't have got 7K miles on it thats for sure.
12-25-2009, 07:47 PM
#31
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k i think i have a good sense gonna get the injectors and new fuel line for the tank up and delete the inline filter option and check the vapor and return very good to make sure they hooked right...let ya know when i have it back together ...hopefully it starts wish me luck...thank for all your help guys and gals ...
12-26-2009, 01:04 PM
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THERE SHOULD ONLY BE 2 FILTERS IN A TOYOTA FUEL INJECTION SYSTEM.
-the strainer or pre pump filter
-the pressurized filter on the side of the block
If you have any more they should not be there. My hunch is that the 22r was converted by the previous owner to 22re spec (or a 22re was dropped into a carbed body). The tank was swapped but the lines and filter were not (explaining why one of your lines burst.
You need to make sure that all rubber hose is EFI spec, if it is not you will see white writing on it saying "NOT FOR USE IN EFI VEHICLES"
-the strainer or pre pump filter
-the pressurized filter on the side of the block
If you have any more they should not be there. My hunch is that the 22r was converted by the previous owner to 22re spec (or a 22re was dropped into a carbed body). The tank was swapped but the lines and filter were not (explaining why one of your lines burst.
You need to make sure that all rubber hose is EFI spec, if it is not you will see white writing on it saying "NOT FOR USE IN EFI VEHICLES"
12-28-2009, 07:51 AM
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Have you checked your fuel injectors to see if they are clogged.Mine were clogged and if your filter was full of rust you may have an issue also.I agree with everyone else you need to change the hoses if the truck was a carb truck but if someone had a issue with the injectors clogging they may have added a inline filter to help not realizing the pressure in EFI supply lines.If this is the case you would just need to replace the line they cut and replace or seal the fuel tank to prevent further clogging.
12-29-2009, 09:52 AM
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Yes you have to clean it but if you don't seal the tank it will continue to rust and you will continue to have problems.I clean the tank and then use kleen strip phosphoric acid prep and etch to remove the rust and have a clean surface for the sealant to adhere to.I use red kote to seal the tank.Good Luck.you can buy kleen strip at home depot and red kote from o'reilys
