2012 Nissan Sentra SR. No start, replaced crank sensor, fuel pump operating, and had ECM fixed. Still turns over, but no start.
'done all wrong, sorry, modern cars, are not like 1980s back./
at all. USA car? not told. country. sadly
no miles engine over 100k miles.?
no engine told and is an ENGINE problem (EFI) hummmmmm1
fuses are first make sure all are good. first.
cranks fast bu does no start, or run or stay running, bingo.
.
next is scan tool it, cranked, scan tool there, tells you P03xx errors
bingo spark dead and why all in 1 minutes work, amazing no?
next is test spark , learn that all PCM if it detects spark bad (or any of its pRECURSOR) injections a are cut 100% to prevent crash and burn and by law,
spark at all spark plugs are tested, not just 1, all
Sentra is only of the most populated cars on earth, so there are no secrets about it.
even sold for flex fuel in Bazil.
we can not guess engines or fuel. some are CNG.
guessing at GEN 6 Sentra me.
Gasoline:
2.0 L MR20DE I4 <<< this engine?
2.5 L QR25DE I4
the MR20 has 4 cop coils, (coil over plugs) all 4 must sparkl
all 4 spark wells not full of oil, all 4 boots not carbon arc damaged.
if 1 fails it is bad
if al fail the PCM is NOT HAPPY (logic) it sees one of 3 things wrong
1: CKP dead.
2: 1 or 2 CMP cam sensors dead.
3: cmp to ckp timing way off, but is DOHC chain cam, was the chain sceaming-like made before it died, I sure will if bad.
learn to beg,barrow,rent or buy a OBD2 scan tool,
if has spark x4 and timed right, (means no cam failures)
fuel is last never ever first or go broke fast , I see you did.
then we check fuel pressure at the fuel rail
not pull a gas tank and take a bath in gasoline ever.
not order above..