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1993 Buick LeSabre Custom 3.8L Poor Idle Quality, Hesitation, Surge
Posted to GM Driveability on 2/17/2006 30 Replies

This Buick leans out badly on accelleration [...] O2 voltage drops way low and the injector waveform shortens way up. Intermittantly the cooling fans will come on on cold start then cycle off, thats why we tried a different ECM. All three coils ohm within spec...

30 Replies Received (View Replies)

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car Vehicle Data

1993 Buick LeSabre Custom

VIN 1G4HR53LOP
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MFI
EmissionsFEDERAL
SymptomsPoor Idle Quality, Hesitation, Surge
OccursCold, Intermittently
Message Closed w/Summary

car Vehicle Data

1993 Buick LeSabre Custom

VIN 1G4HR53LOP
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MFI
EmissionsFEDERAL
SymptomsPoor Idle Quality, Hesitation, Surge
OccursCold, Intermittently