1994 Lexus SC300 Q&A
1994 Lexus SC300 Question: Fuel Pressure
When vehicle is idling it should be 28 to 34 psi. When vehicle is idling and vacuum hose disconnected from fuel regulator it should be 38 to44 psi Fuel regulator is on the fuel rail,round small canister with vacuum hose connected to it. - Hightec1
FUEL ECM IN ON DIVER SIDE BEHIND THE PANEL. it has come control over pressure depending on engine speed, which has, - LEXUS LANNY
LOST OF POWER. BACKFIRES CAN IT BE THE MAF
when my problem started I had turned off my car and it would not start like it was out of gas. the next day it started up and ran fine,untill i turned it off, then it would run for just seconds and...