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  #1  
Old 11-17-2001, 08:35 AM
Henry
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Injector cleaning services?

They apparently hook up to the fuel rail and pump solvent through the injectors. Cost is $60-75.

Anyone try this? Effective?
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Old 11-17-2001, 04:34 PM
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Re: Injector cleaning services?

Quote:
Originally posted by Henry
They apparently hook up to the fuel rail and pump solvent through the injectors. Cost is $60-75.

Anyone try this? Effective?
I haven't had this service performed on my SVX, but, I did on my Peugeot. There was an amazing increase in both performance and gas mileage.
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Old 11-18-2001, 12:38 AM
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I've had it done on the SVX.

Engine was definitely smoother, and slightly better gas mileage (within 5 percent). I'd figure, 150k miles, it probably needed it anyways.

I'm always skeptical of the bottle stuff, because it becomes so diluted with the gasoline.

My 2 cents. YMMV.

VK
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Old 11-18-2001, 05:51 PM
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Is that a service that a subaru dealer has to do?
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Old 11-18-2001, 11:35 PM
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Just about any shop can do it.

I think my dealer charged 0.1 hour labour, 0.2 tops, and whatever retail price is for the chemical. They hook it up to the fuel line somewhere and burn it like fuel for the car.

I paid $80CDN for the service last year.

VK
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Old 11-19-2001, 08:13 AM
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This morning I saw an injector-cleaning service on, of all shows, NASCAR Tech. Ugh. For me, watching a NASCAR show is kinda like a horror movie. It's disgusting, but I still can't stop watching.

The service was a three-part kit made by 3M. I missed the first part. The second is a throttle-body cleaner - no big deal, you can do that with a 50-cent can of carb cleaner. The third part was cool. It was a pressurized can you hang from your hood. From there is a valve and a hose, which you connect ot your fuel rail. You open the valve and then start the car. The fluid, supposedly, cleans the injectors while the car runs off it.

How safe this stuff is to have burning in your combustion chamber, I don't know. I have, however, generally found 3M's products to be safe and high-quality. But I still want someone else to try it first.
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Old 11-19-2001, 08:50 AM
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I've used several types, on my cars and on my customers cars (heheheh...guinea pigs.....j/k.) Anyway, I've not seen anythingg detrimental occur from any of them, but to be safe I'd stick to the brand name stuff.

From a maintenance perspective I wouldn't bother doing it, maybe at 50,00 or 100,000 mile intervals. For that type of service I'd use the 3-M type stuff. If you're having problems I'd search out a shop that has the Snap-On Motorvac system. It actually hooks up to the fuel system (not the same as the stuff in a can, a bit more involved. some hook-ups take 30-45 minutes) and flushes it out, forward and backward I beieve. Chase down a Snap-On truck or stop by a shop and ask for their Snap-On dealers phone number. Ask the dealer for a shop that has one (and not a bad idea to ask him if where he would take his car to - as a tool dealer you see a lot of scary stuff .)

If your having really bad problems (constantly plugging filters and/or injectors, burning up fuel pumps, etc.) the only real cure is to remove the fuel tank and flush it and the lines, injectors, etc.

Beav
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Old 11-19-2001, 09:47 AM
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i took mine to the suby dealer.

had them flush the fuel system for me. it was about $80 i think. it really did make the car run a little better.
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