Question about 1997 Volkswagen Golf

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My 1997 VW POLO CLASSIC has a new fuel pump installed. But it seems the performance of my car is not efficient, it has low power acceleration. My mechanic diagnosed the problem that my car's "computer box" is not working as expected. Please , anybody could inform me it the diagnosed is correct.

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  • jpmag1012324 Jun 07, 2010

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It is possible if there are codes in the ECU(computer)
which leads you to that conclusion.
And it's hard to tell you if your mechanic right or wrong without having the car for diagnostics.
There are many other causes for engine to loose power.

Posted on Jun 06, 2010

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I'm assuming this is a gasoline engine. First check for vacuum leaks or possible cracks and the intake system. Second checked the ignition system. If the engine runs smooth and is not missing and may not be the ignition system. Scan the computer for codes this could be helpful. Just remember computers usually don't go out. Most likely it could be a sensor, throttle position sensor, mass air sensor, or oxygen sensor. Also check for bad grounds. Good luck.

Posted on Jun 06, 2010


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