Shaking during idle and start, fuel pump? - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 08-17-2009
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Shaking during idle and start, fuel pump?

I have a 2000 XLT V6 4.0L with 120K on it and it just started develping this problem where when I start it I have to step on the gas pedal and give it gas to get the engine to turn over otherwise it wont start, and once it does start it shakes for about 15 seconds and then the idle starts dropping to almost where its stalling, and when I drive it the power is just not there anymore.
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Old 08-17-2009
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Change plugs and check the fuel pressure at the rail by the injectors.
Also check all the vacuum hoses.
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Old 08-17-2009
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Sounds like you're having a massive MisFire
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Old 08-18-2009
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Yeah I'm gonna check the plugs, last time what caused the truck to shake was only 5 cylinders were firing
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Old 08-26-2009
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mine had a similar problem and it was a leak. i had a hole in my pcv elbow and after i replaced it it idled fine.
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Old 09-01-2009
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What about fuel filter?
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