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Old 11-30-2011, 07:48 AM   #16 (permalink)
euromodder
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GasDwarf - '13 Volkswagen up! EcoFuel CNG
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Quote:
Originally Posted by Diesel_Dave View Post
Bingo! there's your reason for FE getting worse by removing EGR.
Why don't they keep the EGR valve somewhere under the hood, but not connected to the exhaust or intake ?
I.e. working, but not functional, so it won't throw fault codes.

There's usually no EGR flow measurement, or is there ?
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