probly not the egr,mine's been discenected for quit some time ,no mager impact.........
check the voltage at the tps (throttle position sensor).....should be .95 - .98 volts...........
see where the throttle stop screw is set .......the computer sets the idle ,but if somone cranked up that screw it'll still idle high............
also look for vacuum leaks ........
good luck
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the "not so old",old guy
87 Mustang GT T-top >hanlon t-5, pro 5.0, centerforce clutch ,adj. cable/quatrant ,3.27s ,full 2 1/2 ex(off road H) adj. reg. ,e-cam ,70mm TB, cobra intake ,1.7rr ,ported/milled e7ets w/crane springs ,306 balaced/decked short block w/speed pro forged flat top pistons ...257rwhp/302rwt
best et 13.7@102 (4/11 )
'80 Capri (future project,currently collecting parts for 351 moter)
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