No start turn over ok

[nick956]

New guy here, so I recently acquired a 99 sonoma and it doesnt not start. There is fuel going to injectors as we tested the pressure and it read 60psi. There is spark going into and out of distributor. My battery is good reading 13.1v. Compression is ok and has.

The problem the previous owner had was that it shut down on him while driving and never started back up to running just cranked and cranked. I already replaced fuel pressure regulator, distrubutor cap, ignition control module checked out good and replaced the coil new.
Please help as im at a lost here with this stupid truck.

Also is there a introduction section for newcomers?

 

[conklin6027]

same issue, getting sensoristis

i have the 92 sonona 2.5L with TBI..

list of new parts in last 6 months-
clutch, starter, exhaust manifold, fuel filter
coil, distributor cap and rotor, plugs and wires
ignition control module, fuel injector, intake air control valve
o2 sensor, coolant temp sensor

good battery, but at one time i did have an issue with the main ground not being reconnected to the engine block, instead it was connected to the frame (but that is no longer an issue)

my symptoms started with hard cold start and dying when hot
after all these parts the only issue i now have is hard cold start

when it is running it runs great

often it will fire right up,
it usually will start with a push start when it doesnt just fire up
but after cranking on it for a while it tends to not push start (flooding possibly?)

i thoroughly cleaned the air cleaner box with new gasket
i also clean the vacuum lines pretty good, no leaks

i am going to test the fuel pressure and compression next..

some possible solutions..

some say my oil pressure sensor can give a no start scenario when the sensor goes bad

a chance it could be my pick-up coil, but it runs good when running so doubt it

there is a chance my fuel relay might be acting up, but it primes well when key in turns on, and like i said it runs great when it is going..

so after all of this i am really frustrated and its turning into an expensive case of "throw new parts in"

any advice beyond this would be great.. and hopefully it helps nick out too

 

[conklin6027]

Update, just found a small vacuum leak coming from my map... testing out the possible fix

 

[conklin6027]

Yup problem solved

 

[conklin6027]

Damn problem not solve, it stared good for almost a week and now its even worse. I replaced my map sensor and my intake air temp

 

[conklin6027]

My fuel relay kicks on when u turn on ignition but then nothing when you turn the engine over

 

[conklin6027]

Bad oil pressure gauge. Problem solve. I was gettin no fuel relay pulse at my injector

 

[conklin6027]

Hmm, still get a cold no start sometimes, resetting the ecu helps, but something is telling my fuel relay to not work but only sometimes.. I think I have am electrical problem