Problem with my Chevy Cavalier 1996 2.2L

Question = I Changed my fuel injector, it was leaking. I disconnected the fuel pump at  the harness
underneath the car. I put everything back together and now the car will not  start. I Checked all
fuses, the battery, the connector I disconnected to see if i bent anything. I replaced the starter. The
cars fuel pump is working I can smell gas  underneath the hood. When i crank the engine it clicks
for one second then stops. It will not turn at all. There is no release valve on the fuel rail. I have
pumped the pedal,  tuned on and off the key to build up pressure but still nothing. I checked the
fuel relay  and still can not get any response. When I turn the key it makes a clicking noise and  the
lights in the dash flicker. I dont know why it wont turn. I have checked every thing  and nothing is
lose or blown. I have asked many people and they say its the battery but  I know the battery is
good. I really need help, thank you.

Answer:
First off, a fuel system problem would have nothing to do with an engine that wont crank  over.
With the lights flickering, and starter only click / cranks for a second, this sounds like an  electrical
problem. Batteries can act very odd at times. They can test good even with a  professional tester,
but still have an internal short.

You may also have a ground problem. Maybe a ground wires left loose after replacement  of an
injector. Another area of ground problem is a corroded cable on the battery tray,  While standing in
front of the car, Check for a cable from the battery tray to the radiator  support. It is only a few
inches long and may be your problem.

Another possible condition may be that the leaking injector may have filled the cylinder with fuel
causing a hydrostatic lock. Remove the
spark plug of the cylinder you  replaced the injector and
look for it to be full of fuel.
Again, batteries can do some weird things.
VISITOR:
Thank you for your help. I have fuel in my head which has caused a hydrostatic lock. I am not sure
what to do next. I wish I had some money to pay you for your advice. I guess I need to drain the oil to
see if I cracked the head or bent a rod. Do you think my engine is toast. I guess I can pull all the spark
plugs and let it air out. I dont know what else I can do to see if the engine turns over. Thank you so
much for your help.

Answer:
You can remove the plugs, crank the engine over as long as the ignition system has been disabled so
you dont start a fire. Then let it air dry.
An air gun is the best way.
Then change the oil and it should start. Just trying to crank a hydrostatic locked engine should not do
any damage. You should be OK

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1996 Chevy Cavalier Will Click But Not Crank Over