Have some newb questions...
ACV = Air control valve takes low pressure air from the air pump & sends it to the main cat when needed. On 89-91 NA's it also supplies 5psi air to the aux port & VDI systems.
FCD = Fuel cut defender. In a turbo, it fools the ECU into allowing higher boost.
FCD = Fuel cut defender. In a turbo, it fools the ECU into allowing higher boost.
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prototype1369
2nd Generation Specific (1986-1992)
7
Dec 27, 2002 09:34 PM
poor college student
2nd Generation Specific (1986-1992)
16
Nov 25, 2002 01:05 AM



