Question about 1989 Toyota Corolla 2 Door

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Loosing power after my car is warmed up.

I was on my way home on the freeway going about 65 mph when my engine started bogging down as if it wasn't getting either fuel, air or spark. I also noticed it idles a bit higher when it warms up. It seemed to do fine at low speeds "under 40 mph". I drove to work and back today and it was fine untill I got close to home. I checked the fuel, air filter and fuses. The cap, rotor, plugs, altenator and battery are all new. I just put a crate motor in it last year and I've had no problems untill now. Any ideas?

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  • CRAZYJ1 Nov 20, 2008

    its a carbureted 4 AF engine

  • fizzygood Dec 01, 2008

    I had a very similar problem from the sounds of it.
    I have a four door stationwagon version, I took it to several mechanics and in the end, had to replace the motor completely which seemed to fix it. To this day I still don't know exactly what was wrong with the old motor. An expensive solution perhaps, but worked nonetheless.

  • Armel Aubeelack
    Armel Aubeelack May 11, 2010

    Is your car fuel injected or carburettor?



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Some things you may want to check would be the fuel pump, oxygen sensors and your catylitic converter. and obviously all the filters.
A quick test on the fuel pump would be to get down to the gas tank and tap it a little bit with something. This may shake the fuel pump around causing any clog to clear out. As for the filters(oil,air,fuel) you may want to replace them if there is any sign of them being dirty or clogged.
Run the car for about a half hour. Then you will have to look under the car (while still running) and look at your cat. If it is glowing red, this means that it most likely has been clogged with build up restricting your exhaust.

Posted on Nov 19, 2008


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