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AnswerLeave the engine off over night and thru the next day until you do the work. THis will help bleed off the pressure. With all the tools in hand and the new filter standing by put yourself under the car next to the filter. Have a few rags and a jar or something to catch the fuel the will leak out of the lines. Also have a tool like a screw driver you can put in the hose to help lessen the leaking gas. Your under the car and ready to do the work. Remove the hose that is on the gas tank side and put the screwdriver in the hose. Now take the other hose off and remove the filter. Put the new filter in place just like the one you took out. Hook up the hose's in the reverse order and ensure the clamps are snug. Clean up all the mess and drippeed fuel. Water down the area if alot spilled and then turn on the car. Watch for any leaks and fix if necessary. Jonathon
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โˆ™ 2009-12-26 18:34:27
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Q: How do you replace the fuel filter on a 1986 Toyota 4Runner?
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Where is fuel filter for 1986 Toyota 4runner?

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The fuel filter is clogged and needs replaced. The second problem could be the fuel injectors are not pumping sufficient fuel to the engine.

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Unknown year - In front of the drivers side rear wheel. It's bolted to the frame. On my 1994 4runner it's bolted to the frame on the PASSENGER side about midway between the front and rear wheels. Toyota states you should never have to replace a fuel filter as they are designed for life; unless you know for a fact you have purchased bad gas. On my '96 Limited it's on the left frame rail underneath the car, almost directly beneath the driver's seat. Good idea to replace it every 100,000 miles or so. On my 1986 4runner EFI, it's bolted to the engine block underneath the fuel rail. I've had to replace it once before. But in any engine configuration find where the fuel enters your engine (either carburetor fuel supply, or the fuel rail on EFI) and trace the line back toward the source (gas tank) somewhere in that line will be the filter, and they can look very different from eachother, I know mine just looks like a big metal canister.

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