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Engine bogging

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  #1  
Old 12-17-2013, 07:44 PM
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Default Engine bogging

1998 5.2 v8 bogs when under 1k. Just replaced spark plugs, cap and plug wires, changing oil every 3k miles. I don't know if it could be the fuel pump/filter or any of the sensors
 
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Old 12-17-2013, 07:49 PM
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What's it like above 1k rpm?
 
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Old 12-17-2013, 07:52 PM
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Runs fine, when you take off from a stop it chugs and pops. I don't think there is a vacuum leak anywhere.
 
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Old 12-17-2013, 07:54 PM
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IAC valve may need to be replaced
 
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Old 12-17-2013, 07:55 PM
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welcome to DF.. plenum been fixed?
 
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Old 12-17-2013, 07:57 PM
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Thanks chromed95, plenum has not been fixed yet. Did not think of the IAC valve. Ill check them and go from there. Thanks
 
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Old 12-17-2013, 07:59 PM
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forgot about the plenum lol, do that first
 
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Old 12-17-2013, 10:15 PM
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Has the truck been in water/mud lately? Coil could have gotten wet. I've seen that cause a bog before.
 
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Old 12-18-2013, 12:17 PM
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Has not been in mud/water, just through the snow. I don't think 8 inches of snow coulda caused it to bog, but I could be wrong
 
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Old 12-18-2013, 12:50 PM
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Originally Posted by hawks.fan55
Has not been in mud/water, just through the snow. I don't think 8 inches of snow coulda caused it to bog, but I could be wrong
Naw you should be fine. Like previously said, take a look at plenum and clean the IAC sensor.
 


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