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Originally Posted by Bossxr8
One thing that is a total scam is the fuel injector clean that they will charge a mint for, when all it is is a $15 bottle of injector cleaner poured into your petrol tank that takes all of 1 minute to do. They will probably charge $50-100 for this.
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most shops use a pressurised system that the car runs on for a set time period as Damo mentions
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Originally Posted by Big Damo
At Honda we had this thing that would plug tap into the fuel rail and run directly to the injectors, not poured in the tank.
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Most dealerships use a system that is based more on preventative measures, but there are some on car injector cleaners that are very thorough in their cleaning capabilities