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NISTECH »
https://forums.nicoclub.com/nistech-u7581.html
Tue Mar 16, 2004 8:28 am
yea I preffer BG's products but they are not over the counter products. We used to carry it at our dealer then a "corprate decision" was made and we changed to Moc [ uh eww]. Any how the product is inducted into the throttle body with a injector nozzle while the car is allowed to idle or be held slightly off idle. the intake boot fits over the small tube that hoses the injector and used shop air to pressurize the canister with the chemical in it. This equipment is leased and the product is typically only sold as a service at a repair facility. I do not know much about the overcounter stuf for induction cleaning. I have seen here on this site a product called sea foam works pretty good but havent seen its effects first hand. One of the best products for cleaning carbon from the induction system is water but the discharge amount has to be controled pretty tight as to much water can cause hydrolock or flame out when the plug trys to fire the fuel. The BG product and the moc product can both be used to operate the engine during the cleaning, I myself remove the fuel pump fuse during the cleaning so the car will run on the product. A 300z tt I did once I had to take the plentium off to do another repair about a week after I had performed the BG flush, I found that all the runners basically looked like the outside of the plentium [ extreamly clean] With the exception a few small cavities that wouldn't have been in the path of the intake airstream. The stuff you see these dealers selling works and is worth the money.
A more recent problem with that cleaner is this , dont use it on cars with electronic throttle bodies. We smoked a throttle motor about a month ago. We think the cleaner seaped into the motor shorting it out. It threw a code for the motor in the week following the service. checked it out and sure enough it had a significant resistance drop in the motor.