Question about 1988 Toyota Corolla 4 Door

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Toyota Corolla LE 88 rough start

When I'm accelerating the car acts as if it was missing sparks or as if I had a vacuum leak. It only happens when I'm starting to accelerate. Once I push on the gas all the way it gains power again and it drives great. Or if I step on the gas to fast or better said if I push all the way to the bottom fast it will loose power. If I step on the gas little by little it will work just fine. Any ideas? I changed the carburetor mounting gaskets and checked the vacuum hoses and all look good. I replaced the oxygen sensor not too long ago. The distributor has been replaced and the cap and wires too. Thanks for the help.

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  • checlever Dec 05, 2008

    yes, it is in good conditions. any other ideas?

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That helped, thanks a lot. I don't know if that was the real problem, but I also flushed the mechanical fuel pump and changed the PCV valve and now the car runs pretty good. Thanks again for taking the time to help me.

Posted on Dec 06, 2008

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Have you checked the fuel filter?

Posted on Dec 05, 2008

  • Ricardo Loranca
    Ricardo Loranca Dec 06, 2008

    try cleaning your intake manifold. you do this by spraying carb cleaner into the carburetor where the butterfly is . if you do itwith the car running try not to let it shut off and the car will smoke but that means your blowing out the dirt

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Hi, try reving the engine in nutural, do this in dark garage, you might see a spark leaking from HT leads or distributor cap, Check each lead with a ohm meter, resistance should not exceed more than 8000ohm per foot of lead. If in dought replace as a set.
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I have a similar problem with one of my Toyota Corollas. It's a 95 model with the 1.8L engine (7A-FE, automatic). But unlike yours, it has plenty of power while running. Here's what it does. Occasionally the engine misses. Sometimes it will die. This is most likely to happen when you start the car and put it in reverse and start rolling without giving the engine time to adjust. I've been told by some customers that it will die sometimes when coming to a stop. But this has never happened when I drive it. I don't think it's a fuel issue because the car runs just fine when it's running.

Here's what I've tried so far:

  1. Replaced spark plugs and wires.
  2. Used gasoline additive fuel injector cleaner.
  3. Checked air filter.
  4. Checked vacuum hoses for leaks.
  5. Replaced PCV valve and hoses.
  6. Cleaned the air intake and throttle body with carburetor cleaner.
So far there is no change in the problem.

What I plan to do next:
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  2. Check the MAF sensor.
  3. Adjust the idle via the set screw.

After that I have no idea what to do next if the problem persists. The check engine light is not on so I don't think there are any error codes. Will let you know.

Frank
Frank's Friendly Cars Maui Car Rental
www.MauiCarRental.biz




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