Venkata, According to Injectorrx.com: "
Fuel injector symptoms for bad, faulty, dirty, clogged, or leaking injectors are :
- Starting issues
- Poor idle
- Failed emissions
- Poor Performance
- Engine does not reach full RPM
- Increased fuel consumption
- Rough engine performance
- Surging and bucking under various throttle loads
- Smoke from the tail pipe
- Engine Knock or Detonation which can lead to catastrophic engine failure
Venakta: I have had very good luck with a fuel injector cleaner sold by Advanced Auto called KX44 but some people like Seafoam. It is a cheaper place to start than with a mechanic.