Car cranks but does not start

CHEVY TRAILBLAZER CRANK NO START........Fuel pump troubleshooting - YouTube

CHEVY TRAILBLAZER CRANK NO START........Fuel pump troubleshooting - YouTube

https://www.yoEngine Cranks But Wont Start - YouTubeutube.com/watch?v=PvVgu6E_z4w

Engine Cranks But Wont Start - YouTube

Trailblazer cranks but won't start - first things to check - YouTube

What's the fuel pressure first thing , before starting . Could be check valve inside fuel pump module ,fuel drain's or bleeds off over night , drains back into the fuel take .
Car cranks too long Fast fuel pressure bleed off Faulty regulator Part 2

you mean,cranks ok, but will not start and no fuel , right>?
s10 no fuel. 1988 ( S10 blazer )
please do say , what that means.
1: car cranks and will not start. so must be out of fuel?
(over 50 causes, or better is 10 or less tests (ask)
2: same, and fuel pressure is 0 psi (spec.9-13). gauged.?
3: fuel dribble test?
4: sparks good so tired test fuel and it ran on test fuel ok? proving
loss of fueling>?
5: injector dead cranking, (eyeballs)

which was it?

1988 cars in the USA are BIG TIME TRANSITION year.
we went from CARBS to EFI.
2.5L (what is E)?
gear cam, roller HLA lifters.
your car, USA , is TBI engine,
TBI started on THIS car in 1985 (1/2 and 1/2)
Throttle body injection
an on all TBI engines, one can see it inject with eyes.
does it?
if not it can be the following things.
1: no fuel pressure, 9-13pis.
2: ECU is cutting fuel. Pressure good cranking.
2a: ECU is sending error for bad crank/cam sensors, and cuts fuel.
2b: ECU sees rpm or tacho line dead.
2c. ECU sees TPS sensor output as 4v or more cranking, this cuts all fuel.
3: if ECU is happy, it sends 12vcd to the pump, cranking.
all tests must be dont cranking or chase tail.

IT IS LOOKS LIKE A FUEL PRESSURE LEAKING INSIDE THE ENGINE OR DEFECTIVE FUEL INJECTOR LEAKING . TRY DISCONNECTING THE FUEL PUMP RELAY. AND CRANK THE ENGINE IF ALWAYS CRANK WITH OUT OF FUEL (CRANK WITHOUT START) YOU HAVE FUEL LEAK INSIDE THE ENGINE
REMOVE THE INJECTORS RAIL UP EVERYTHING CONNECTED,PUT BACK THE FUEL PUMP RELAY TURN THE SWITCH ON AND FIND WICH ONE IS LEAKING. (GASOLINE IS FLAMMABLE TAKE CARE)

does it crank fast, at 250 spec RPM?
no year, no joy, all cars have a year,
and and engine option (displacement size???)
my wild guess, is it wont crank or cranks dead slow.
right?
and the battery is DISCHARGED. right,
use jumper start cables. start now?
that be first.

wont crank
cranks perfectly but wont start ?(check for spark, x number of cyl)
spark good, try test fuel
test fuel works for 3seconds and stalls,. then fueling problem , ask.

There is a check valve inside the fuel pump module that is suppose to keep fuel pressure in the fuel line's an fuel rail . Need a new fuel pump .

check the fuel shut off switch in the trunk

need to put a fuel pressure tester on the fuel rail to see if there is any fuel pressure. if there is then pull a plug wire off with someone cranking to see if there is spark, don't hold the end of the wire, it will shock the living tar out of you. and don't touch the car either when holding the wire. you will ground yourself. best of luck.

replace engine control module