Question about 1999 Chevrolet Lumina
To check spark, grounded a plug on the block and found constant spark from all plug wires with the ignition turned on, not cranking, what is causing this?
If the light is not coming on at all it is
possible that the computer actually went out. However I would suggest
that you start with the battery , just to be on the safe side. Check
the voltage of the battery, you may want to take it out and have
someone bench test it.
Also measure the voltage at the starter during cranking, when the key is turned (if battery is charged) you should see 12v at the starter.
One more thing (before check the computer) you can check is the ignition switch and check the wires at the ignition, even though I am convinced the computer has gone out.
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Posted on Apr 24, 2010
If you are getting a good spark, then the next place to look is fuel. When you turn the key on do you hear the fuel pump run for about 2 seconds?
Posted on Apr 24, 2010
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Posted on Jan 02, 2017
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Jun 29, 2013 | 1997 Chevrolet Lumina
May 06, 2013 | Cars & Trucks
Car not starting or turning over indicates towards multiple possibilities.
It can be issue with battery or weak battery. But if battery checks out ok, then
it can be starter issue or faulty alternator or problem with low fuel pressure
or no spark at spark plugs due to dirty spark plugs or faulty
ignition coil or injectors getting cracked or dirty and needs to be cleaned.
To confirm the problem, the basic troubleshooting is required.
Click this link below and follow the troubleshooting:------
This will help.
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