lex 550s boggin out near 3000 rpms?

night-rider · 09-05-2007, 04:29 PM

i ave chbecked all my vacuum lines and thbey are all good and my pressure regulaer hbas a vacuum line to it and it automatically increases fuel pressure pound for every pound of boost , anothber thbing ive noticed it will do it at an idle it is hbarder to nitice but i can feel it hbere and thbere and it flickers to lean whben it hbappens , occasionally it will drop thbe idle down to about 500 and it will constantly show lean then ill rev it up and it will be normal again

09-05-2007, 04:29 PM	#9
night-rider Stock Join Date: May 2006 Location: grande prairie Posts: 22	i ave chbecked all my vacuum lines and thbey are all good and my pressure regulaer hbas a vacuum line to it and it automatically increases fuel pressure pound for every pound of boost , anothber thbing ive noticed it will do it at an idle it is hbarder to nitice but i can feel it hbere and thbere and it flickers to lean whben it hbappens , occasionally it will drop thbe idle down to about 500 and it will constantly show lean then ill rev it up and it will be normal again __________________ 1987 turbo full 3" exhaust, k&n fipk, manual boost controller, walbro 255lph fuel pump, aeromotive afpr, 550cc injectors, lexus afm, fal dual electric fans, fluidyne rad, 3 angle vale job, adjustable cam gears