Question about 1999 Oldsmobile Alero

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Service engine soon

Every time i turn on my car, the "service engine soon" lights on and also the trac off keeps turning on and off. what's wrong with my car? thanks

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  • micolisten Nov 05, 2008

    I HAVE THE SAME PROBLEM ID LIKE TO GET TOTHE BOTTOM OF THIS!

  • lkendall37 Nov 16, 2008

    every time i start car service engine soon and trac off lights comes on

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  • 674 Answers

This is your check engine light
when the computer see's that a sensor or actuator is out of range it will set a code that can be retreeved by using a scan tool.

Posted on Oct 25, 2008

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2 Answers

The ABS lite, No Trac Lite and Service engine lite keep coming on


When the Service engine soon, ABS and TRAC lights are turned on at the same time the computer control units for the engine and the ABS/TRAC systems has sensed a fault in the electronic controls of the engine and/or the emission system and the ABS and Traction Control system (part of the ABS system). When this happens you will seldom feel the car engine run any different or the car drive any different. There are about 200 possible faults that turn the Check Engine light on, the fault in your car is likely a part called the VSS sensor to know for sure what the problem is you must have the system tested; Kragen and Autozone parts stores do this testing for free

Mar 22, 2011 | 2001 Pontiac Grand Am SE

1 Answer

Abs light ,trac off, and service engine soon would come once in awhile, but now its on all the time. my turn signals sometimes won't work either.


These are differnt issues. The Trac off light is on because the ABS is on most common reason is because of a bad abs sensor which is part of the wheel bearing unless there is any damaged wiring.Your check engine light is on for another reason there could be many possibilities.The turn signals may be the hazard switch or turn signal switch. You should take to a repair facility that has a scan tool to tell you what are causing the abs and engine lights to come on.

May 15, 2010 | 2001 Pontiac Grand Am SE

1 Answer

Service vehicle soon, anti-lock, trac off all on


You need a new wheel bearing, This also happened to my olds alero, make sure 2 jack up each tire 1 at a time and pull back and forth on them checking for play, once you have found the 1 that has play or wobbles that is the 1 that needs a new wheel bearing

Jan 26, 2010 | 1998 Oldsmobile Intrigue

1 Answer

Abs, service engine light and trac off lights keep coming on


Hello. The ABS [anti-lock brake system], traction control and service engine soon light are all interconnected. The ABS and traction control each depend on sensitive sensors to send a signal to your car's computer that there is a problem. The problem unfortunately is that the sensors themselves are bad. If your brakes still pump themselves when you stop fast, for example, then your ABS system is still working but one of your sensors is sending a signal anyways.
To check everything out you can take your car to many auto parts stores, or most recently AAMCO transmission stores, where they will scan your computer for free. Once the scan is done you will know exactly why the service engine soon light is on.
In the meantime, you do not need to worry about your brakes because all the ABS system does is pump them for you. You can still pump them yourself, like folks did for years before ABS came along. Same is true with the traction control. As long as you do not drive wrecklessly you need not worry.
So to summarize, call around to auto parts stores, or AAMCO to get a free scan. Once you have those results you can decide on how to proceed.
Here is a great link if you want more information. http://www.aamco.com/Check_Engine_light_on-FREE_Check.asp
Regards, Joe PS kindly rate my answer. Thank you.

Jan 17, 2010 | 1993 Honda Accord

2 Answers

Abs light, trac light, service engine soon light 2001 Pontiac Grand Am


Sounds like you have a bad wheel speed sensor. You need to have it scanned. Since it's been sitting, it might just be a bad connection to one of the speed sensors.

Jun 01, 2009 | 2000 Pontiac Grand Am GT

1 Answer

Radio keeps turning on/off, clears out clock,service engine soon


your radio is not keeping a constant charge(needed for memory) have the connections looked at

Feb 17, 2009 | 2001 BMW 325

3 Answers

Anti lock light and so on , is on


Your vehicle’s computer system has self-testing capability. When the computer senses that there is a problem with some of the components it stores the correspondent trouble code(s) in its memory and lights up the Check Engine, Service Engine Soon, ABS Or TC lights to tell you that there is a problem and you should have the car diagnosed and repaired. I would take it to a service center you trust and let then come up with a solution. Sometimes a problem in one system will turn light on for other systems that communicate with it, but it doesn't mean there is a problem in all of the systems.

Feb 02, 2009 | 1999 Oldsmobile Intrigue

2 Answers

Pontiac 2002 se: veh soon light, trac light, abs light comes on


I have this same problem and had it checked. It is the wheel sensor. Mine is the passenger front right wheel sensor. According to the mechanic I take it to the GrandAm's are known for this. The part is about $40.

Oct 07, 2008 | 2002 Pontiac Grand Am

2 Answers

I have an 2001 oldsmobile alero and everytime i turn my car on, my sensor lights immediately go off: service vehicle soon, service engine soon, anti-lock, and trac off. whats causing these problems, i've...


you have a problem known to many alero and pontiac grand am cars you have a bad wheel bearing,this is a common problem with these cars and they will not do a recall on this.you need to have your front wheel bearing hubassemblies replaced its not a bad job can be done by a decent backyard mechanic but a lot cheaper then going to the dealer, just save your reciepts in case they do recall your car for this problem they will reimburse you for your cost. If you have service engine light on, trac. off light and the ABS light on the same time, you may be able to get it fixed my reprogramming the power control module (with updated software calibration).

Jul 23, 2008 | 2004 Oldsmobile Alero

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