Question about 1998 Honda Passport

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I have a idle problem with my passport when I crank it, it idles at 2000 RPM and drops down to 1300 RPM and RPM stays high between changing gears(5 speed).I have changed Idle cylinoide tps and PCM(brain). When vehicle is reset it runs perfict for about 4 days then returns back to high idle.

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Have you checked for vacuum leaks?

Posted on Feb 04, 2010

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