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1999 Mitsubishi Montero Sport LS 3.0L MIL Lamp on, PO400A
Posted to Asian Driveability on 4/29/2004 2 Replies

EGR solenoid is getting vacuum but not letting it go through at throttle snap. plenty of vacuum at differential pressure switch .my scanner will not show manifold differential pressure reading which should be 20.6 to34.0 [...] wiring is good.

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  Related Documents & Media  1999 Mitsubishi Montero Sport LS

 
Message Closed w/FIX

car Vehicle Data

1999 Mitsubishi Montero Sport LS

VIN JA4LS31H3X
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Po400a
OccursCruise

Trouble Codes

P0400Exhaust Gas Recirculation System Flow Malfunction
Message Closed w/FIX

car Vehicle Data

1999 Mitsubishi Montero Sport LS

VIN JA4LS31H3X
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Po400a
OccursCruise

Trouble Codes

P0400Exhaust Gas Recirculation System Flow Malfunction