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Discussion Starter #1
I'm throwing code 43 "fuel system defective or malfunctioning"

what is this telling me? - car still runs decent - little bit of an idle surge

what should I check?
 
T

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Discussion Starter #3
would the filter really cause it to throw a code?
 

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Neighborhood Asshole is Back!
02 BMW; 00 Civic EX
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1,892 Posts
yea it would be worth it to check... doesnt take very long to get in there and look at it :)
 

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Donkey
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742 Posts
perhaps a fuel pressure regulator problem. Maybe the ecu has had to increase injector timing to compensate for low rail pressure. or it could just be the pump.

If rail pressure is gay, then it could just be a filter. start there.
 
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