New fuel pump and filter, turns over with starter fluid but dies 2 seconds later
The exhaust system would be MY First guess..
Either a blocked/collapsed muffler or catalytic converter...!!
From an OBD Code perspective...Will cause vapor recovery, throttle-body, oxy sensors (bunches of fuel issues... "air-mass"
etcetera... (lots of codes TRYING to start).
No elegant way to prove it but to open the exhaust..
No safe way to run it that way... Don't even think about it.
Muffler shop is probably best to TRY to test..
A problem that has stranded me twice (one each respectively).
The engine can't run if the exhaust is blocked.
I've had a muffler stop me cold (stumped me pretty good) until I managed to blow-it-up... then I could finally drive home.
Not elegant but it worked...
All these years I've tried to devise an elegant test. Never succeeded (penetrating oil is as pretty as it gets)..
Open the exhaust system... if it starts... immediately shut it down... cool air on hot valves can be costly.
Good luck...
Do let me know if I was NEAR warm.. Pretty please.
This could also be the fuel relay. Check that out as well.
Do you have power going to the pump from the relay when you turn the key on ?
You should be able to jumper the relay and power the pump to test pressure.
If you have normal fuel pressure it may be an injector problem.
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