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1990 Buick Riviera Luxury 3.8L MIL Lamp on
Posted to GM Driveability on 6/27/2016 9 Replies

Car runs lean at idle short term 145 to 150 long term 150 o2 does change over 700mv to 100 mv. Maf 2400 hertz idle 8500 hertz wot. Repaired as many vacuum leaks I can find.I did not mess with pcv valve as no smoke around grommets on smoke [...] pressure 35 idl...

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  Related Documents & Media  1990 Buick Riviera Luxury

 
Message Closed w/FIX

car Vehicle Data

1990 Buick Riviera Luxury

VIN 1G4EZ13C9L
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection
SymptomsMIL Lamp On
OccursHot
Message Closed w/FIX

car Vehicle Data

1990 Buick Riviera Luxury

VIN 1G4EZ13C9L
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection
SymptomsMIL Lamp On
OccursHot