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  #1  
Old 01-30-2014, 07:03 PM
sthomen
 
Join Date: Jan 2013
Location: texas coppell
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91 300 E

what causes intermittent power loss on a 91 300e. Fuel pumps are new, and filter. 160 k unmolested

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  #2  
Old 01-30-2014, 07:08 PM
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Location: Scottsdale, Arizona
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So many possibilities. The engine has quite a few vacuum lines in the fuel injection system that can split or the rubber connectors can become brittle; fuses and OVP relay; any other consistent symptoms?
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Old 01-30-2014, 07:13 PM
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Old 02-02-2014, 01:14 PM
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Dirty injectors, Lucas fuel additive will sure help.
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  #5  
Old 02-02-2014, 11:21 PM
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A clogged cat converter can cause this. Since the media is breaking down in the convertor it bounces around as you drive. Sometimes the exhaust is clogged, sometimes it is not.

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