Question about 1996 Buick Century

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How do you clear a code on a 1996 3100 buick century

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  • Anonymous Apr 22, 2009

    front passenger window will not go up or down on my 1996 buick century



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Disconnect the battery for a minute positive terminal

Posted on Apr 16, 2009


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1 Answer

How do you clear the "service engine soon light" on 1996 Buick Century Wagon 3.1L V6

Have code's check ,do the diagnostic's , repair the problem ,then the light will go out .

Feb 18, 2017 | 1996 Buick Century

1 Answer

I have a 1996 Buick Century...Having codes P1651, 1652, and 1655 come up...can clear the codes and will drive for about 4 days...then either have to clear codes again OR have to figure out where these...

fan 1 and 2 relay, and the 1655 is evap purge solenoid, the fan relays going bad can cause the car to run hot or overheat, check for broken vacuum lines and replace the purge solenoid if needed.

Oct 16, 2012 | 1996 Buick Century

1 Answer

Replaced sensors on 94 buick century, 2.2. how do you clear codes?

1994 should be obd1 so disconnect battery for a couple minutes and reconnect

Aug 26, 2011 | 1994 Buick Century

1 Answer

What is a diagnostic code "12" for a 1989 Buick Century wagon?

12 means all clear itll flash this this 3 times then try 2 find stored codes

Jun 11, 2011 | 1989 Buick Century

1 Answer

2002 Buick Century showing P0446 and P0452

take it back to your mechanic and have him check it again, he may have missed something, or it has more wrong with it than he found on that visit.

Apr 22, 2010 | 2002 Buick Century

2 Answers


Disconnect the battery. If light comes back take to shop to read Diagnostic Trouble Codes.

Sep 27, 2009 | 1990 Buick Century

1 Answer

Code p0440

P0440 is a EVAP leak detected, try changing the gas cap and reseting the ECM to clear the service engine light. If you can not clear the code it takes about three start up with out any issues to clear the code and after 100 start up's the codes will clear from the ECM's history. Note use the GM OEM gas cap for a replacement, anything else is just garbage and you'll be replacing it again with in 6 months. If it's not the gas cap, need to take it to a garage and have them do a smoke test to locate the leak in the system. Good luck and hope this helps, keep me posted. be glad to help

Jun 08, 2009 | 1998 Buick Century

1 Answer

2 po442 codes showing up on my 2003 buick century

If there was a leak at the gas cap. EG: Left off or loose after fill up? You will need to have the codes cleared or it will clear itself after enough key cycles. EG: Started and shut back off as many as 20 to 50 or more times.

Jun 01, 2009 | 2003 Buick Century

1 Answer

96 Buick Century won't pass imisions code P1441

code is evap system flow during non-purge
check the hoses for holes or broken disconnected hoses also check the fuel cap emissions diagram under the hood will give u the location of the evep purge solenoid if all checks ok then replace the soienoid and clear the codes
rank & vote my solution

Dec 11, 2008 | 1996 Buick Century

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