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1997 Mercury Mountaineer 5.0L MIL Lamp on
Posted to Ford Driveability on 4/5/2004 32 Replies

OKAY Ford and Merc experts- here's a quick one. We have got a sold unit that's out the door today with a full shop, so we don't have much time on this one to troubleshoot and or repair. Customer drove unit Sat. and code P0402 egr flow excessive shows up. What'...

FIX posted 4/6/2004

32 Replies Received (View Replies)

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car Vehicle Data

1997 Mercury Mountaineer

VIN 4MD2DU55P4
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0402Excessive EGR System Excessive Flow Detected