Question about 1996 Ford Taurus

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1996 Ford Taurus power hesitation

On the highway at about 2000 RPM the car hesitates/dies a little. After I depress the accelerator to maintain speed, the problem eventually clears and power restores. We are getting codes p0171, p0172, p1408 and p1132. It dosen't appear to be throttle position based as it occurs at various throttle positions. I have read it might be the mass airflow sensor but I have disconnected the MAF sensor and there appears to be no change.

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If you disconnected the Mass air flow sensor the car should have die out at idle. Check fuel pump pressure at the fuel rail should be 30 psi at idle. Low fuel pressure will cause your po 171, 172, problems which could cause the other to problems. You might be needing a fuel pump and filter.

Posted on Jun 26, 2009

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