Question about 1983 Toyota Pickup

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My 83 toyota 4x4 won't keep running. It was running a little hard and then went to start it and it wouldn't start. I changed the fuel filter and it ran better than it has in years. Drove it about 10 miles. Turned it off and then it won't start again. It has a late backfire, when I try to turn it over and it doesn't start. After I turn the key off, about 3 seconds later, it's like it backfires through the carburerator.

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Posted on Jan 02, 2017

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SOURCE: 1985 toyota 4x4 22re missing and rough idle

Have you pulled out the spark plugs to see if there are any tell tale signs on them.They are a good indicator of many problems that occur and can save a lot of time isolating the problem.They should all be the same colour.Is the air box and lid properly secured with no leaks or splits in the intake tube.Have you put injector cleaner in the fuel tank to clear up any possible dirty injectors.Therse a few things your problem could be including engine vacuum leak which you can find by lightly spraying carburettor cleaner around suspect places such as inlet manifold and around injector seals.

Posted on Oct 24, 2008

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SOURCE: 91 toyota celica 5s-fe engine hard start

if it ran fine before belt change, you maybe off a tooth,I've been off a tooth with same engine had same symptoms along with erratic acceleration and poor gas mileage. Took off top cover, lined up no.1 tdc. and I was off 1 tooth at camshaft hole. was able to adjust without dismanteling everything. Loosen idler and you can get enough play to turn cam one cog. hope this helps.

Posted on Jan 03, 2010

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SOURCE: bad hesitation,lose of power.backfiring......

Could be crank sensor, MAP sensor, Throttle Position Sensor, or the dreaded "Spider" injection system. Two more possibilities are Mass Airflow Sensor or (if equipped) Fuel Pressure Regulator. The Regulator is a huge problem on 3.8s, and is usually not a problem with the Regulator, but the vacuum supply hose. To see if you have one, trace the metal portion of your fuel lines on the top of the engine. It looks like a small, mutated EGR Valve with a vacuum hose connected to it. If you have one, check for cracks or other breakages in the vacuum hose.

Believe it or not, an official GM test technique is to unplug sensors. If the problem clears up, even a little, that's most likely the cause. But, for the sake of people who want to know..... When's the last time you serviced the vehicle? Tune up? Hope this stuff helps!

Posted on May 22, 2010

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SOURCE: I have a 1999 Toyota Camry it starts up and runs for a few seconds and dies right down. I've changed the fuel filter and it seems to run just a little bit longer. But it still will not keep running. A

Check your fuel pressure. It may be low, or losing pressure from a bad pressure regulator. A thorough test of your fuel system seems in order. (A pressure test can also detect a bad regulator, if it's done properly.)

Posted on Nov 12, 2011

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I have a 95 Toyota Tacoma 4x4 and It will not start without putting some fuel into the throttle body. Once started it will run. But when you let it stand and cool off it won t start again. I have replaced...

The way you describe this problem the cause seems to be in the fuel system losing pressure. But even then, if you crank long enough it should start. Check your fuel pressure. It may be useful to check your fuel filter.

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Last week her trooper just died,wouldn't startt.We changed the fuel pump it ran for a week again it won't start.

Did you check the fuel pressure before all of this fuel pump replacement? If the fuel filter is old enough to be clogged up, it should have been changed long before replacing a fuel pump unit. Your fuel filter should be changed every 30,000 miles. However, it would have to be TOTALLY clogged up to keep the engine from starting. It would have been causing all kinds of drivability problems LONG before that could happen.

Then, has anybody bothered to check for spark when the engine will not start? Has anyone scanned the onboard computer? (which happens to be in full control of both the fuel system and the ignition system)

You just might be trying to repair the wrong system...

There is no way anyone online can accurately tell you why it will not run without checking the vehicle first....although many uneducated DIYers might GUESS for you...which seems to be just as good as you are already doing....


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I have a 1999 Toyota Camry it starts up and runs for a few seconds and dies right down. I've changed the fuel filter and it seems to run just a little bit longer. But it still will not keep running. A

Check your fuel pressure. It may be low, or losing pressure from a bad pressure regulator. A thorough test of your fuel system seems in order. (A pressure test can also detect a bad regulator, if it's done properly.)

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02 toyota tacoma p/u 4x4 auto, no problems ever, went to run errand, will start but not idle! to keep running i have to keep pumping gas pedal but i can feel and hear its running rough. no vacuum lines...

did you lose power to the cig lighter or the auxilury one(the one with two by each other)?if you lost power to the auxilury power then its not a fuse, but a bolky black one, , this should help with that problem, as for the idiling one, change the fuel filter and if you havent change spark and wires very easy to do. Should do the trick, had the idling thing and helped when i changed the sparks and wires. good luck

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