99 Maxima Stalling

[TonyTouch311]

Just recently my 99 Maxima stalls when trying to drive it cold. I'll start it fine, put in reverse (rpms drop a little),step on the gas and stalls right away. I'd start it up again, back out the driveway and put it in drive, car than stutters and stalls right away. Looking into the matter, my maf was clean but cleaned it a little more, Cleaned up my throttle body and iacv (dont know what a bad iacv looks like) and checked my fuel filter (no clogs, although it did start spraying gas like pressure was built up from the enging). Put everything back together, backed out the driveway(felt it stutter at the bottom) put it in drive and it stalled. Now everytime it stalled, i would let the temp rise and once it was warm I would drive off everything fine..Also, when it stalled the battery indicator light would come on, not sure if that is a default reaction but my batter is less than 3 months old. No stutter no stall. Not sure what to check next! ECTS? FPR? Im not really educated in fixing cars but get all my help searching through forums. I just cant find a fix to this. it seems to me like some sensor issue, being that it drives perfect when warm. Any suggestions? thanks!

[maxhopper]

Welcome to NICO.

First off, have you had it scanned for codes?

You can't tell the IACV is bad just by looking at it. With the problem only happening when the engine is cold, my guess would be the ECTS. You can probably pick one up for under $20. If it happened even when the engine was warm, I would lean more towards an IACV/MAF problem.

[TonyTouch311]

Thanks. And yes, there is a code for the knock sensor (p0325 I believe) with no CEL. I will replace the ECTS tomorrow and see how it goes.

[TonyTouch311]

So, I changed the ECTS. I havent been able to check the issue because car is still warm, will wait for tomorrow morning. But now I have the SES light on, its giving me codes p0115 and p0110, ECTS codes. How can I reset my ECU, I looked at it but it doesnt have a "screw" like others I've seen online...the "screw" is a white small version. Can get screw driver in there.

[TonyTouch311]

After changing the ECTS, I dont get immediate stalls when engine is cold...but now when I drive (when cold) stepping on the gas barely makes the car move and the car still stalls shortly after putting in drive, car is fine still when warm tho. Can anyone confirm if my FPR is bad? Like I said before, there was a lot of pressure and gas spraying everywhere when I unhooked the top hose from the fuel filter. I'm going to change my Knock sensor and check my EGR this wednesday