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1992 Chev/GMC Truck Saturn 1.9L Excessive Emissions, Surge
Posted to GM Driveability on 12/19/1997

vehicle has an intermitant egr problem that goes away when egr is disconnnected. has rich code if car sits in the morning and warms up. Have noticed that oxygen sensor reading goes high when sits at an idle. Injectors all check [...] test is ok.

 
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car Vehicle Data

1992 Chev/GMC Truck Saturn

VIN 1G8ZH1475N
Engine1.9 L / 4 cyl
EmissionsUS
SymptomsExcessive Emissions, Surge
OccursCruise, Idle
Misc.Sc Coupe
Message Closed

car Vehicle Data

1992 Chev/GMC Truck Saturn

VIN 1G8ZH1475N
Engine1.9 L / 4 cyl
EmissionsUS
SymptomsExcessive Emissions, Surge
OccursCruise, Idle
Misc.Sc Coupe