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1995 Jeep Grand Cherokee Laredo 4.0L HIGH NOx
Posted to Chrysler Driveability on 10/28/2009 17 Replies

THIS JEEP IS TROUBLE . ITS BEEN TO A FEW SHOPS

THE PROBLEM IS THAT IT FAILS 15&25 MPH SMOG TEST FOR HIGH NOx IT HAS NO EGR SYSTEM NO TIMING CONTROL

IVE CHECKED FUEL PREASURE ,MAP VOLTAGE BARO @30H

CHECKED FOR PROPER SPARKPLUGS, NOT OVERHEATING,

IVE DONE A...

FIX posted 12/10/2009

17 Replies Received (View Replies)

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car Vehicle Data

1995 Jeep Grand Cherokee Laredo

VIN 1J4G558S9S
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / FUEL INJECTED
EmissionsNot OBD-II Compliant
SymptomsHigh NOx
OccursAlways