Question about 1999 Buick Century

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I'm looking for more detailed information about the 1999 Buick Century. Is the "Service Engine Soon" light ONLY related to emissions and fuel lines? If not, what other problem would it be?

1999 Buick Century

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  • felix32769 Aug 31, 2008

    The vehicle is no longer under warranty. If it's the catalytic converter, what needs to be done at the repair shop?

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Reverse light does not work

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What is the detailed information you are looking for?

Posted on Aug 31, 2008

  • Not Imprest Aug 11, 2014

    Transmission codes will also send a "service engine light", also check the rubber gasket on the GAS CAP.

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My 2003 buick century custom has dashboard lights on--how to reset Service Vehicle Soon, Trak light off, Abs light?


You need to have it checked for DTC'S - diagnostic trouble codes to see what the problem is ,then diagnosed , then fixed ! Then the light's will go off ! This means taking it to a qualified repair shop .
SERVICE VEHICLE SOON
The IPC illuminates the SERVICE VEHICLE SOON message in the DIC when the powertrain control module (PCM) detects certain malfunctions that are not related to the emissions system. The IPC receives a class 2 message requesting illumination from the PCM.

Sep 08, 2016 | 2003 Buick Century

1 Answer

2002 Buick Regal Service Engine Soon light PO442 diagnostic code


That is an emissions code. It means you have a small leak in one of the lines. Most likely it the line that goes from the engine to the evap canister in the drivers side rear inner fender well.

Mar 01, 2015 | 2002 Buick Regal

1 Answer

Why does my service engine soon light come on when the car is working properly but not when it doesn't?


The light is in test mode when you start, so you can check the bulb is working. The light has nothing to do with whether you stall it only estimates whether you need a service based on time, number of starts (and probably some other parameters - perhaps someone else knows what they are).

May 14, 2014 | 1999 Buick Century

1 Answer

2004 buick century service engine soon light remains on


The information below was complied by me, it explains what causes the check engine light to come on and the process of finding the cause.
When the Service Engine Soon light is turned on the computer control unit (called the PCM) has sensed a fault in the electronic controls of the engine and/or the emission system. When this happens you will seldom feel the car engine run any different. There are about 200 possible faults that turn the Check Engine light on, to know what has developed a problem you must have the system tested, this is called an OBD2 fault code test, Kragen and Autozone parts stores do this testing for free.

May 05, 2011 | Buick Century Cars & Trucks

1 Answer

Where is the EVAP emission control system


The EVAP control system includes the fuel tank, fuel filler neck, gas cap, charcoal cannister, evap diagnostic solenoid, purge solenoid, all of the connnecting hoses/lines, ECM and related wiring. Anything that contains fuel that may evaporate (EVAP).
Does the vehicle have a P code for some EVAP problem, like large or small leak, or vent path blocked? Do you have a problem filling the fuel tank or is the Check Engine/ MIL lamp illuminated? If there is a larg or small leak the best way to identify where the leak is located is to use a smoke machine which creates smoke and introduces it into the system and you look for the leak.You will need to close the evaproative diagnostic solenoid using a scan tool or a jumper harness.

Oct 29, 2010 | 1999 Buick Century

1 Answer

Service Vehicle, Trac Off, & ABS lights 2001 Buick Century.


I just put in new fron pads in my 2000 buick century and the track off and the anti lock brake light and the service engine soon stays on

Jun 16, 2010 | 2001 Buick Century

1 Answer

SERVICE ENGINE SOON LIGHT IS ON,WHAT DOES IT MEAN? I GOT IT CHECK AN THE CODE WAS 1441...


the light comes on to alert u to the fact u have a fault in the engine, emission or transmission electronic controls, this code needs to be diagnosed by a qualified technican to determine what the part is that is causing the light and the code u have.

Apr 29, 2010 | 1999 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

I have a 2003 buick century and the service engine soon light came on as i was driving it what could be the problem pryor to that the anti lock light was on ans also the security light


service engine light refers to a computer related problem. you will need to access the computer link,retrieve the code that turned the light on, and follow a flow chart to diagnose

Feb 12, 2010 | 2003 Buick Century

1 Answer

2003 Buick Century Custom and the Service Engine Soon Light


You will need to have a reputable mechanic do a diagnostic check on the car to determine the problem. This should pull up a code number in your car's computer and help point the mechanic and you in the direction of the malfunctioning part/s.

Just today, I had a diagnostic check done on mine for nearly $45.00. The mechanic was able to figure out the reason why my service engine light was staying on. I knew my car's radiator fans failed to run when car's engine was hot except when the A/C was running. I had changed out the sensors and was never able to get the light to go out or get the fans working. They were able to determine that the 25 amp fuse for the fans located under the hood was blown. After replacing it, the fans worked as they should, my car runs cooler and the engine service engine light is now out. Of course there are many possible reasons why the service engine light may come on including problems with the car's emissions. A reputable mechanic can solve your problem.

Apr 07, 2009 | 2003 Buick Century

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