Injector cleaning at idle

Asked by Jul 17, 2017 at 01:31 PM about the 2013 Subaru Impreza WRX Hatchback

Question type: Maintenance & Repair

I bought some injector cleaner because the car has been having some
problems with misfires. I don't want to drive the car to run the cleaner though.
Can I just leave it idling for a while?

2 Answers

74,505

What possible difference could it make? Driving the car is the better plan in my opinion.

5

drive the car. those additives break down corrosion and build up in your injectors by using a chemical to bust up the carbon deposits and force them out through pressure. if you let it idle the additives you bought will not help you and may even cause a clunk of carbon thats lose to clog an injector. probably not but its possible.

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