Question about 2001 Buick Century

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2001 Buick Century 3.1 liter, has no power when accelarting, slows when going up hill. Starts, and idles fine, have to manuallu make it shift gears by letting up on gas. Could id be the plugs and wires?

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This happened to us on vacation. Catalytic coverter was plugged. It did this for a long time before overheating on a road trip. Have someone reputable check it, if it is hesitating a lot.

Posted on Jan 16, 2011

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I have buick 2003 century 3.1L it started running weird and losing power up hills and seemed like it wouldnt shift right and had poor gas mileage. The check engine light came on once briefly. Scanned it...


Check EGR valve to make sure their isn't a piece of carbon stuck under valve seat. Also you need to check exhaust back pressure to make sure you don't have a converter pluged.

Jul 09, 2014 | 2003 Buick Century

1 Answer

2001 buick century runs fine when in park and nutral i can put it in drive and sometime i can go 10k sometimes only get 1k the it starts spudering and wont rev up but will idle fine put it in nutral and...


I think you have an engine speed sensor fault. its not reading the engine speed or the motion speed. needs these two to change speed and ( gear). one is connected to the abs unit and the other is on the engine. usually if they both go its down to the gear box ecu. you can check if you have it on a ecu reader. will have fault codes or not be read at all.

Mar 16, 2014 | 2001 Buick Century

1 Answer

Car has to be cranked more then once,than a scraping noise and then car starts.i'm scared whats the problem


the gear on the flywheel has worn. the engine stops in one of four spots in the rotation 'cause the cylinder pressure is building. That means the starter has not got the whole flywheel, but only a few teeth in four spots that is starts on every single time. these teeth wear out, then the starter motor cog cant turn the flywheel and you get the screech like you tried to change a stick shift without the clutch!
if you do have a stick shift, then you can park on a slight hill, and roll just a bit with the clutch half out, which will rotate the engine and give the starter motor fresh teeth to work on.
in short, yes, you need a mechanic.....

Oct 18, 2013 | 2001 Buick Century

1 Answer

I have a 94 Pontiac Grand Am SE 5 speed standard with the 2.3L SOHC Quad 4-138 4 cyl engine. It idles fine; but when you go and shift the car bucks and has little power. Better be going 30 mph before...


This sounds like it may be misfiring, the quad four engine is famous for misfiring theres a coil cover under the top plate where the sparkplugs go, if you remove the 4 bolts and pull it up you will see the sparkplugs and that cover will contain coils and coil cover and boots, i would replace the sparkplugs and the coil cover and sparkplug boots, heres some pictures of the parts, this is where i would start it a tune up, and also check air filter and replace fuel filter,johnjohn2_31.jpgjohnjohn2_32.jpg

Dec 10, 2010 | 1994 Pontiac Grand Am

1 Answer

Fast idle


Sounds like your throttle position sensor is bad.
Take it to Auto Zone and ask them to pull any computer codees that may be latched. Not sll codes trigger the check engine light

Apr 04, 2010 | 1999 Buick Century

2 Answers

2001 buick century transmission problem


it could the trannie solenoid or filter.

Dec 07, 2009 | 2001 Buick Century

2 Answers

1990 Buick stalls when coming to a stop


Sounds like the torque converter clutch solenoid is bad. Unplug it and see if the problem stops. Unplug the 4 wire plug on the front of the transmission.

Aug 14, 2009 | 1990 Buick Century

1 Answer

Lack of power on 2003 Buick Century


might have the transmision shift solenoid check

Apr 05, 2009 | 2003 Buick Century

1 Answer

Transmission ?


The TCC solonoid is bad I have changed hundred of these there is a square coector of the front side of the transmission, this is the connector for the TCC ( torque converter Clutch) it has a tab lock put your finger nale under the tab or a smal screwdriver and lift gently and pull the connector off the car will now drive when you put it in gear but NOT have 4th gear and theck engine light may come on you should get this fixed as soon as possible you have to take off the side transmission cover the TCC is in there only buy one directly from the GM dealer no one else trust me on this, and also change te transmissin filter and gasket while your there.
if this information is good plese give me a fixya!
Thanks and if you need more help contact me but here look at my website go to the BLOG and FAQ you will see the TCC jobs I hve done and the outcome

www.aceautomotive1.com

Jul 29, 2008 | 1990 Buick Century

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