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Gumout "Renevate" dfi intake spray cleaner

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Old 04-29-2016, 12:59 PM
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Default Gumout "Regane" dfi intake spray cleaner

I just saw this in Walmart. It says to disconnect the air filter tube off the throttle body, run the engine up to 12-1500rpm, then, spray the contents in. It's supposed to "miraclely" clean out the intake tract & valves. I suppose it could do some good, if deposits aren't too bad.
Anyone try it yet?

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Old 07-07-2016, 05:05 PM
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I've got a couple of engine fault codes up for, "low airflow" & "throttle position corelation". It sounds to me like my airflow is being misread low.
So, I'm going to try a spray can of this "Regane". It may clean up the airflow sensing elements as it flows toward the valves to saturate & loosen the carbon on them.
We'll see....
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Old 07-08-2016, 04:14 AM
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Roos Tech wiki is indicating that cleaning the throttle body & sensors should take care of this.
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Old 07-10-2016, 07:55 PM
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Did the "Regane" thing, with my oil change today. IDK if it did anything for valve carbon reduction, but it cleaned the throttle body & sensors enough to clean the two airflow & throttle correlation faults.
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Old 07-13-2016, 03:54 AM
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Driving the car, over the last couple of days, I've noticed that it idles smoother & has much better off-idle throttle response.
So, I don't know if I cleaned any carbon off the valves, but I do think the throttle body got a good cleaning.
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Old 07-29-2016, 08:15 AM
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Larry, I did this process last night using the CRC intake valve cleaner product on our A6 (~123k miles). It claims to be a high concentration of PEA. It took about 20 minutes to empty the entire 12oz can.


I also notice a smoother idle and the throttle response is better, too. I'll keep a close watch of the fuel economy over the next few tanks.
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