Yes. A sticking fuel injector can allow far too much fuel into a cylinder.
When you drive with a bad fuel injector, your engine will often misfire. You might also have a rough idle and increased fuel consumption.
A bad fuel injector can cause an engine to continue running, for a few seconds, after the engine to shut off. The engine continues to run because of excessive fuel in a piston.
plugged up fuel injector or bad injector itself.
It could.
bad piston rings.
too much fuel, excessive oil consumption
Scan the computer diagnostic codes using a GM code scanner.
NO.
If the operator is not concerned with emission regulations he or she may be faced with steep fines. Also an engine that is not within regulations often is not running efficently. This may cause an excessive increase in fuel consumption. If the operator is not concerned with emission regulations he or she may be faced with steep fines. Also an engine that is not within regulations often is not running efficently. This may cause an excessive increase in fuel consumption.
A malfunctioning fuel injector pump will cause the injectors to not fire properly. The fuel injector pump will need to be replaced.
A dirty or clogged air filter would cause excessive fuel consumption, and it could cause the engine to surge, but I'm not sure about the drop in your alternator guage.
No