Top 10 2001 Buick Regal Questions & Answers

The resisters on the back of the odometer fell off. they can be re solder if you can find them. That is what happened to mine

It is your Instrument cluster, see my answers to this question and write me if you have any more questions, it cost me a total of no more than $15 dollars to fix it myself, took be about one hour.

wow thermostat >>>> shucks i believe its evep emissions code like faulty gas cap ....you can reset any computer the chck eng light will come on in 50 to 100 miles if not fixed....

Here is how it happens, The positive battery cable was loose, after adjusting the battery cable the speedometer needle went under the retention ping.
How to fix it:
1- remove the positive battery cable
2- have a person to look at the speedometer needle
3- Make the battery cable to touch the positive terminal of the battery (this will make the needle to jump over the retention pin)
4- Tight cable again.

Vapor cannister hose under hood could be off or cracked.

It is probably between 32 and 35psi. If you open the drivers door and look in the jam there will be a placard listing the recommended tire pressures. If it's not on the drivers door it may be on one of the passenger doors.

I believe that the solenoid that controls the overdrive is accessable from the transmission pan area. The solenoids that control the shifting are located in the side. The 4t65e transaxle has been known to have problems with overdrive for more than one reason though, so start with that solenoid. If that doesn't work, you may have luck with a shift kit. My car used to shift rapidly in and out of overdrive, after I installed a shift kit, I have had no further issues. I used the '4t65e sk' kit from TransGO.

For Acceleration related problems,

Click the link below to troubleshoot this problem: ---
Car loses power while acceleration? http://schematicsdiagram.blogspot.com/2011/12/car-loses-power-while-acceleration.html

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Loss of acceleration?

http://technoanswers.blogspot.in/2012/02/loss-of-acceleration.html

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Acceleration lag problem?

http://repairhelpcenter.blogspot.com/2012/01/acceleration-lag-problem.html

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How exactly the Vehicles Accelerator Cable works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-cable.html

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How exactly Vehicles Accelerator Pump Diaphragm Works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-pump.html

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accelerator pedal sensor?

http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html

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stalls and bucks on Acceleration?

http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html

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Engine accelerates when brake is applied?

http://technoanswers.blogspot.in/2012/02/engine-accelerates-when-brake-is.html

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This will help.

Thanks.

You low pressure port is against the firewall just below the center of the cowl and is best accessed from the drivers side

driver side actuator for blend door is electric servo controlled. It could be jammed or computer sending it in wrong direction. Unit is located on driver side of heater case.