how long since a tune-up? Any applicable trouble codes? Make sure battery has a full charge. If it cranks good but won't start, have a helper crank it while you check for spark at the plugs. Use a gage and check proper fuel pressure. Check fuel injector pulse. Another thought is your security system?
All I can do is help with testing, you have to do the testing.
Ck the crank sensor if your battery is charged,ck engine grounds
The car will not start
2005 Chevrolet Impala
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Maintenance & Repair
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General
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