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1986 Buick LeSabre Limited 3.8L Poor Idle Quality, Surge, Poor Fuel Economy
Posted to GM Driveability on 9/16/2010 23 Replies

Looking for some help. This customer was referred to me to diagnose the rough idle and slight misfire around 45 mph. I checked everything with the labscope as you can see above. I had a problem with the aftermarket MAF reading 9 gps at 1000 rpm. Customer had a...

23 Replies Received (View Replies)

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Message Closed w/Summary

car Vehicle Data

1986 Buick LeSabre Limited

VIN 1G4HR3737G
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / Fuel injected
EmissionsUS Fed
SymptomsPoor Idle Quality, Surge, Poor Fuel Economy
OccursIdle, Surge Around Overdrive
Message Closed w/Summary

car Vehicle Data

1986 Buick LeSabre Limited

VIN 1G4HR3737G
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / Fuel injected
EmissionsUS Fed
SymptomsPoor Idle Quality, Surge, Poor Fuel Economy
OccursIdle, Surge Around Overdrive