Defancey

so out of nowhere I ran into an issue of my car not starting one day car would start right up no problem run perfect afr's then the next the car would not start and when i'm cranking it over the afr gauge is telling me AIR or LEAN so its as if no fuel or very little is coming out of the injectors I've pulled the lines off the filter and getting good pressure as well as the fuel press regulator and the pump is working great any ideas what could be causing this any leads would be great I'm lost.

BiGEZ

iTrader: (24)

Check you ECU for leaking caps. That happened to my 96 SC300, when the outside temps got too cold, close to freezing the car would crank but not start. Once it warmed up to about 40 degrees car would start up like nothing ever happened. Had the ECU rebuilt and that fixed the problem for me.

gerrb

iTrader: (34)

OP - probably would be a good idea to tell us what setup you have ? Like do you have a stock engine with stock injectors / FPR and stock ecu and so on otherwise all advises will be a shot in the dark .

You cannot rely on AFRs during cranking. The AFR gauge will only start giving you reliable info (assuming it is functioning well) after the oxygen sensor had heated up and engine had warmed up.

Ali SC3

iTrader: (10)

could be ecu or fuel ecu but hard to say without more info or seeing it.

Defancey

sorry I've been taking to long to reply I have been crazy busy. I've got a lexus sc300 with a 1jz single turbo just recently dropped the tranny to change the clutch 400 cc injectors. I've been checking grounds found fried cam angle sensors loose oil pres sensors checked relays I gave the ECU the ole sniff trick what sensor sends the ecu the rpm signal and what else should I check. thank you for the help so far. I'm getting fuel in the fuel rail and I've checked the igniter its acting like I'm not getting spark or fuel in the cylinder

Defancey

Ali SC3

iTrader: (10)

Picture isn't clear but it looks like its leaking pretty bad and probably shorting stuff.