Question about 1998 Buick Century

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I have a 98 Buick Century with 145k miles. The Service Engine Soon light came on. I took it to Pep Boys for a free code check. Diagnostic codes are: P102A and P1870

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Sounds like the valve body in the transmission needs to be replaced.

Posted on Apr 02, 2011

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Buick century service engine soon light


Theres somethin wrong...scan it at a partstore for codes. Dont rush into buying a part if car stil runs. Get mor info. It cud b just a vacuumleak or computr needs reboot by unhookn batt

Jan 15, 2016 | 2002 Buick Century

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How to reset Service Engine Soon light after replacing gas cap? Took to AutoZone when the Service Engine Soon light came on Error code P0440.


Disconnect the negative battery cable for 30 minutes. Reconnect after and the code will clear. However if the problem persists, the code will come back with in 20 miles or 30 minutes.

Aug 02, 2014 | 2000 Buick Regal LS

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Starts good but no power when shifting in any gear


This engine computer can tell you everything. Check the codes at Autozone or Pep Boys - usually free- and you will probably find the accelerator sensor or similar is faulty
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Mar 18, 2014 | 2003 Buick LeSabre

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I have a 2007 Buick LaCrosse. The Service vehicle soon message is showing and my traction control light wont go off. Help


This year model requires a diagnostic scantool to retrieve trouble codes from the computer, most autoparts stores in the US can help you get these codes for free, try autozone, pep boys, O reilly etc.The trac control light will turn on whenever the service soon light comes on by default, the system is disabled until the light is fixed.

Oct 02, 2013 | Cars & Trucks

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The "Service Engine Soon" light just came on


Run in to any of the big autoparts stores like Autozone, or Pep Boys and they will scan it free for you, and advise from there what code you are getting. If fix is not obvious from that, get back to us with that code(s) and we will gladly advise you further. Better and much cheaper this way, than just guessing.

Dec 23, 2010 | 2001 Buick Century

1 Answer

Routine maintenance for 1999 Buick Century


have car scanned to identify the problem code as long as the light is on. go to any auto parts store and they will scan it for free.the codes will tell the problem.

Mar 25, 2010 | 1999 Buick Century

1 Answer

2001 buick century. engine light went on, not sure why? is this just a standard light that comes on every couple thousand miles? need help


no the service engine soon light comes on cause there is a fault code stored you will need to have it scanned and find out what code it is
before i can help you

Dec 04, 2009 | 2001 Buick Century

1 Answer

Service engine soon light came on.


Drop into Autozone or Pep Boys and ask for free trouble code scan and record them and go from there. If fix not obvious from code(s) , get back to us with them and we will assist you further.

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HOW DO YOU CLEAR SERVICE ENGINE SOON LIGHT ON A 1990 BUICK CENTURY?


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

Sep 27, 2009 | 1990 Buick Century

1 Answer

1987 Buick Century Limited V-6 engine w/ac. Engine cranks but won't start. Instrument panel light shows "Service Engine Soon". Also light shows "Oil Choke". And light shows picture of battery.


I took my car to my mechanic. He did a diagnostic circuit test on the engine and then replaced the distributer ignition module and camshaft and crankshaft position sensors.

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