View Full Version : air fuel proplem

01-26-2015, 03:56 PM
idle at 14.5 to .7.normal driving,small load at the pedal, a/f reading 17,so back down at the pedal,,When at heavy load lean out then do rich,to lean,hesitant at boost,dont know what to check,tomei fuel reg set at 50psi,walbro 255, both,2012,,do i have fuel pump problem?cant see the gauge at high boost or at laod
inside engine bay,only the a/f gauge is inside.need help