GDI engines have unique problems with carbon buildup on intake valves caused by untreated fumes drawn into the intake manifold via the PCV valve. CRC products are specifically designed to attack and remove these deposits.
Verified purchase: Yes | Condition: New
I run a shop and this is the only pour in Ive found that works
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
It improved the gas mileage and performance in the car.
Verified purchase: Yes | Condition: New
Very good product but you can get it at autozone for $16.99
Verified purchase: No
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