The EEC controls the EVR (EGR Vacuum Regulator) to control the EGR - it doesn't do it directly. The EGR has the EVP (EGR Valve Position sensor) on it to feed back it's postion to the EGR to close the control loop.
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Tom (Torque) Moss
88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE).
http://www.fastlanecars.com/
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