sammily:
To the gurus in the house, what are the symptoms one would experience in a car before I can deduce that the injection needs cleaning? Also, is it advisable to use this common injector cleaning fluid they sell in some filling station, the one you just pour into to fuel tank?

Injector can be stuck open or clogged with dirt .
each condition can give exhibit different symptoms to your car .
Clogged injector will make your car to run lean and will generally affect the engine performance which can come in form of engine misfire ,poor acceleration ,jerking , etc.
Stuck Open injector will make your engine to run rich and some of the symptoms can come in form of black smoke coming out of the exhaust,engine misfire ,poor fuel mileage etc
Common injector cleaner sold in market can only clean off small dirts due a condition call heat soak .Using this injector cleaner can be a waste of money for extreme restriction of injector due to dirts that has accumulated over a longer period
To accurately determine each of injector relates condition will require use of a fuel injector pressure diagnostics toolkit .using of symptoms to judge can easily lead u astray cos same symptoms can be replicated by air,ignition ,timing engine issue.
If you need the service of professional techie with the state of art diagnostics equipment to help you diagnose issue related to fuel injection conditions and any other engine performance related issue with 100% accuracy and guarantee ,u can contact autologic @ 08061166316 .

@Prestige24; the symptoms include but are not limited to: Rough idling,misfiring,hesitation during acceleration and increased fuel consumption. while the injector cleaners you empty into you fuel tank make dirts find their settlement in the bottom of your tank it is advisable you have your injectors removed manually and cleaned especially with the injector cleaner(Spray). where you are unable to do this yourself, direct this to your auto technician

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