did you have a hot spark when you tested for spark ? i did you test the fuel pump pressure ? did you cheak for pulse on the coil to see if you were getting a signal ? i have spark, gas, the fuel pump works great and the coil is getting plenty of signal but it still wont start What was the fuel presure reading ?
Reset the fuel shut off switch.
pre-heat spark plug, if this works then replace it.
The engine needs compression, fuel and spark to run, you are missing one of those.
Does it turn over? Does it have spark? Fuel?
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Yes. You have a problem with your vehicle anti-theft system. It is not recognizing your key.
A spark plug works by using a high voltage energy pulse. The electricity arcs the gap between the anode and trhe cathode creating a spark. The spark ignites the fuel / air mixture in the cylinder.
if you have good spark coming from the coil but its not getting to the plugs then the only possibilities are either the spark plug wires or the distributor cap and rotor. gm tech 10 years
You need to check wires. Make sure that you connected plug wires in the correct order. Check that wires are sitting tightly on spark plugs. If it didn't work, remove spark plugs and check the gap for all of them. Install the spark plugs and try to start again. If it didn't work install old spark plugs and try again. If it didn't work check the fuse box under the hood. Hopefully it works.
Take the spark plug out, push back into it's pocket, set the spark plug on a grounded piece of metal, have someone crank the engine while the spark plug is grounded (but don't hold onto the spark plug, common sense right?) if a spark appears between the little arm the spark plug works, if it doesn't spark, replace with a new plug, and if the new plug doesn't start you have a faulty wire.
it could me bad fuel ..or fuel pump