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T

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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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Donkey
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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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