New fuel pump (now too rich at idle)
#1
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New fuel pump (now too rich at idle)
hi, my fuel pump went out in my ls vtec turbo,i replaced it with a new walbro 255lph, now at cold start the car stay in the 10's afr's till warm up. Nothing
was touch only change the pump.
p.s. The old one only say 255lph no brand.
was touch only change the pump.
p.s. The old one only say 255lph no brand.
#4
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Re: New fuel pump (now too rich at idle)
Sometimes the return side needs tending to when you increase fuel flow. At idle is when the return side is returning the most fuel.
Last edited by turbodano; 12-01-2012 at 05:54 AM. Reason: left out some info
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