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Old 06-04-2008
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Hiccup/Surge Problem

When I'm driving around 55-60 mph with the cruise control on I feel this Hiccup/Surge problem. I don't loose any RPM's or speed. I've change fuel filter, cleaned MAF, air filter, replaced plugs with mororcraft fine wire plugs, and used motorcraft wires. Can't figure this out has been going on for awhile now. Anybody got any ideas. Thanks in advance.
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Old 06-04-2008
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I almost forgot i replaced the PCV valve too
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Old 06-04-2008
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Mine will do that when I have the A/C running. That could be what you are feeling.
Maybe see if it doesnt do it with the A/C off.
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Old 06-04-2008
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The A/C is off when this happens. This problem has been an on going problem for some time now.
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Old 06-04-2008
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Does it feel like somebody just hit you from behind?
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Old 06-05-2008
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If it's a *sudden* jerk I'd say it's ignition related. Maybe a coil. I've also seen a loose chip do this.. as well as a wet PCM wire harness connector.

If it's a *slow* power off/on I'd say it's fuel related. Maybe a pump or pressure regulator.


Rich
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Old 06-05-2008
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yeah it feels like someone hit me from behind. It happens all of a sudden too.
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Old 06-05-2008
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Yeah, it happens to me too when its wet out (rain or snow).

I got my tranny flushed and the mechanic said its probably an electrical problem and a sensor is getting wet. He assured me its fine until it gets too bad to ignore, then come in and he will replace whatever that sensor he said it was, would run me about $150.
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Old 06-05-2008
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It happens when the weather is sunshining, raining snowing it doesnt matter what the weather is out side. Still an ongoing problem.
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