Question about 1998 Buick Regal

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'98 Buick Regal V6...engine dies while in moving motion

Could it be the oxygen sensor

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Try the crank pos sensor

Posted on Sep 11, 2009

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03 buick regal starts, then dies and floods. Won't run and no check engine light comes on


check coolant temp sensor, air charge temp sensor, and Oxygen sensor.

Feb 15, 2015 | Buick Cars & Trucks

1 Answer

2003 buick regal,3800. code 135 coming up. car runs til reaches operating temp,then will not idle. Is this O2 sensor failure?


P0139 - Oxygen Sensor Circuit Slow Response (Bank1, Sensor2)
- Faulty Rear Heated Oxygen Sensor Bank 1
- Rear Heated Oxygen Sensor Bank 1 harness is open or shorted
- Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks
Best advice check it out first!
DO NOT Shotgun it as in replace things until it works. You are blowing money at that point.

Dec 23, 2014 | 2003 Buick Regal

1 Answer

How to change catyletic converter 98 buick regal


ebay will be your best buy,bought mine there only took me 2 hours to put on,but remember to change your two oxygen sensors,one in the front and one next to the cat. under your car,buy your oxygen sensor at auto zone best price

Oct 08, 2011 | 1998 Buick Regal

1 Answer

2001 buick regal w/ bad ignition coil and clogged catylitic conv.


Hello! The defective ignition coil more than likely contaminated the downstream O2 sensor...If there isn't a trouble code and engine performs in a normal fashion, there's no reason to change the upstream sensor...

Guru........Saailer

Aug 03, 2010 | 2001 Buick Regal

2 Answers

Buick regal 92 3.8L Horrible fuel mileage


Sounds like you might have an oxygen sensor problem. Your catalytic converter(s) maybe defective or dirty. That in turn can dirty up the oxygen sensor. A defective oxygen sensor will send faulty info to the computer, interpreting the fumes as cold (even when the engine warms up). That causes the computer to adjust the fuel mixture to very rich, giving you poor gas mileage and the fuel smell. Hope it helps.

Mar 16, 2010 | 1992 Buick Regal

1 Answer

Buick error code 0141 What does this mean and where do I find the sensor that fixes this problem. The Buick is a 1996 Regal with a 3.8 V6


What does that mean? This code means that the heated circuit in the oxygen sensor on bank 1 decreases time needed to enter closed loop. As the O2 heater reaches operating temperature, the oxygen sensor responds by switching according to oxygen content of the exhaust surrounding it. The ECM tracks how long it takes for the oxygen sensor to begin switching. It the ECM determines (based on coolant temp) that too much time elapsed before the oxygen sensor began operating properly, it will set P0141. See also: P0135 (Bank 1, Sensor 1).
FB.init("dd7d9e9681341cde77587bc6a2029f6f"); OBD-Codes.com on Facebook SymptomsYou will likely notice poor fuel economy the illumination of the Check Engine Light. Causes A code P0141 may mean that one or more of the following has happened:
  • open or short to ground in the wiring harness
  • O2 heater circuit wiring high resistance
  • O2 heater element resistance is high
  • Internal short or open in the heater element
Note: Typically a failed catalytic converter does not cause this code. You're more likely to see a P0420 code for a failed converter.
Possible Solutions
  • Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)
  • Repair short or open or high resistance in wiring harness or harness connectors

Feb 19, 2010 | 1996 Buick Regal Olympic Gold

2 Answers

2003 Buick Regal Service Engine Soon light.


The error that I'm showing for error code P1133 is 
P1133 Heated Oxygen Sensor (HO2S) insufficient switching bank 1 sensor 1(Rear Bank).  I would suggest having both of your Oxygen Sensors replaced if you haven't already had that done.  Hope this helps.  Thanks for an honest rating and for using FixYa.

May 19, 2009 | 2003 Buick Regal

2 Answers

How to replace a crank sensor on a 93 buick regal 3.8L engine


Im assuming this is the Series I 3800? If so, if you can email me I can send you some directions on the process. Its for a Series II 3800 but it should be similar. If you cant email me, post up and I'll see what I can do.

Dec 29, 2008 | 1993 Buick Regal

3 Answers

Buick Regal 3.8 dies while braking


Check to see if you have a lot of dirt in the throttle body. Clean the throttle blades out with brake cleaner or throttle body cleaner. You'll see alot of dirt come out. Keep spraying until it comes out fairly clear and wipe the throttle body out with a rag. If this doesn't do it, you may have a problem with the throttle position sensor (TPS). This sensor controls the idle after the car warms up and keeps it from dying when you brake or sit at idle.

Sep 07, 2008 | 1993 Buick Regal

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