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1991 Buick Regal 3.8L Poor Idle Quality, Surge, Stall
Posted to GM Driveability on 6/16/2009 35 Replies

The complaint is that sometimes turning into a parking lot it will stall. I could not get it to stall but the idle is rough like it is loading up with fuel. The fuel pressure is good 42 p.s.i. I scanned for codes and it had a code 13 (O2 sensor circut). At idl...

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  Related Documents & Media  1991 Buick Regal

 
Message Closed w/FIX

car Vehicle Data

1991 Buick Regal

VIN [No VIN Available]
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Surge, Stall
OccursAlways

Trouble Codes

13O2 sensor
Message Closed w/FIX

car Vehicle Data

1991 Buick Regal

VIN [No VIN Available]
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Surge, Stall
OccursAlways

Trouble Codes

13O2 sensor