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Derek

La Crosse, WI

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#1
Dec 26, 2007
 
It's winter time where I live and I just got my 2002 Cavalier this past July. Recently my Service, Trac off and ABS lights kicked on. They typically go on and off when the tire either spins or I turn on the car due to the winter conditions. I went to an autoparts store and tried to get a code but the device threw no code back. I was thinking it could be the sensor. Any suggestions?
Sue

Wilmington, DE

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#2
Dec 29, 2007
 
I have the same problem with my 2002 Cavalier. I think it might be the sensor because there seems to be no problem with the abs system. I've felt it kick on in weather conditions even though the light is staying on.
Jay

Sterling Heights, MI

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#3
Jan 21, 2008
 
It is more than likely a sensor. Mine had same problem. It was the right rear abs sensor. if its a rear sensor expect between 100-130 bucks for the part.
Willie

Lansing, MI

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#4
Sep 22, 2008
 
I have had this problem for years, probably 3. Used to only happen in winter, now it's year round. Seems to preferentially happen if I turn the wheel just after starting the car.

From my searching I have semi-concluded there is a problem with one ABS sensor, possibly debris is in there. If I feel like I need active ABS, I just restart my car and dont turn the wheel for a few hundred feet.
MARIE

Canada

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#5
Jan 8, 2009
 
Does any one know if there is any silent warranty on this issue?? Does any one have first hand experience with chev warranty.
Cheryll Ohio

United States

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#6
Mar 25, 2009
 
I had the same problem. It is a sensor (SOME Sensor). Mine was a Throttle position sensor ack I had a really great mechanic who had to go through and check voltage and found this voltage intermittent. He replaced it and its good as new. Cost Approx $250.00. I didn't have any codes either - just the light that went off when I shut off the car.
Terrytoon

United States

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#7
Jun 3, 2009
 
OK, listen up everybody. The Wheel Speed Sensor, or WSS, usually doesn't go bad. But it does get dirty and should be removed and cleaned with spray contact cleaner every once in awhile. It's really easy to remove and clean and once you have done that clean the plug, too. That's where the problem lies. You see, because of so much heat generated by the braking action, the metal contacts in the plug become slightly warped and no longer make good contact with the sensor probes. All you need to do is take a small sharp tool, such as a pin or paper clip and reposition the contacts on the plug. Alittle finessing of the plug contacts should take care of the ABS light problem. But, you still need to clear the codes or the light will come back on. And the only way to do that is with a very expensive code reader or pay the shop to clear the codes. Hope this helps everyone.
Mmayo2009

Phoenix, AZ

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#8
Sep 19, 2009
 

Judged:

2

1

I am having somewhat of the same issue with my 2002 cavalier except, I am getting hard shifting.

I disconnected and reconnected the battery to clear out the check engine light and the trac off lights.

I took it out for a drive with no lights on in the dash, and the car shifted fine. I am almost home when the trac off light comes on and the hard shifting resumes.

What does the ABS system have to do with shifting? I have read the TPS has corrected the situation in other cavaliers but if I have no check engine light to show me a code, how would I know if in fact this would do the trick?
Paul

Clarksville, TN

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#9
Sep 21, 2009
 
I have the same problem. I have rough idling. My car dies. I have to give it gas all the time to keep the engine from dying. I replaced the TPS sensor. I replaced the O2 sensor. I have replace the idle control motor / valve. I clearly the code by turning the power on, then off, then waiting 10 seconds and starting it. It cleared all errors. I drove and then the car died. Pour idling. I drove the car around for about 30 minutes and same errors. Trac off lights.

My background is as follows: I hit a brick and f'd up my transmission pan. I replaced the filter and replaced the pan. I put in a new gasket and off I went. Then the car had POUR idling and rough shifting. I got trac off light. I was told a TPS sensor will fix it. I bought it and same errors. I was told the O2 was bad. So, I replaced it. Then I was told the idle control motor was bad. I replaced it. Same thing. I pulled the throttle body out and cleaned it. It's shinning like new. Still doesn't work. I have spent way too much money on this. I cannot figure it out.

Anyone?
Rick

Bellevue, NE

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#10
Oct 16, 2009
 
I changed front Disc pads and rotors on my daughters 2002 cavalier and now the ABS light is on, does anyone know what could cause this and how to fix.
dead end

Clarksville, TN

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#11
Oct 16, 2009
 
I cannot find anyone that can tell me what causes these lights. I have replaced everything I can think of. I just do not know anymore...
Ali

Edmonton, Canada

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#12
Nov 27, 2009
 
Willie wrote:
I have had this problem for years, probably 3. Used to only happen in winter, now it's year round. Seems to preferentially happen if I turn the wheel just after starting the car.
From my searching I have semi-concluded there is a problem with one ABS sensor, possibly debris is in there. If I feel like I need active ABS, I just restart my car and dont turn the wheel for a few hundred feet.
Funny, this is what's happening to me. Nothing happened all summer, but when it started dipping below freezing. I'd reverse and turn out of my parking stall, drive about 50 ft and the ABS light would come on. I'd stop, restart the car, and drive off knowing the ABS is back online. Just for kicks, I parked my car on the main road where I don't have to make a turn for some time, no ABS light at all. Something to do with making that first turn without traveling enough in a straight line.
Ali

Edmonton, Canada

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#13
Nov 27, 2009
 
I've read something about this before, but couldn't find it again. Thanks very much for this. I have to follow your suggestion to fix a spontaneous connection. I figure it's one of the front ones due to the ABS tripping if I make a turn without going straight right away... the ABS light goes off if I stop, kill, and restart the car. I'd like to not see the ABS light any longer and will inspect the sensors.=)
Terrytoon wrote:
OK, listen up everybody. The Wheel Speed Sensor, or WSS, usually doesn't go bad. But it does get dirty and should be removed and cleaned with spray contact cleaner every once in awhile. It's really easy to remove and clean and once you have done that clean the plug, too. That's where the problem lies. You see, because of so much heat generated by the braking action, the metal contacts in the plug become slightly warped and no longer make good contact with the sensor probes. All you need to do is take a small sharp tool, such as a pin or paper clip and reposition the contacts on the plug. Alittle finessing of the plug contacts should take care of the ABS light problem. But, you still need to clear the codes or the light will come back on. And the only way to do that is with a very expensive code reader or pay the shop to clear the codes. Hope this helps everyone.
Charlie

Scarborough, Canada

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#14
Dec 1, 2009
 

Judged:

2

My 2002 Cavalier four door car. Its crazy. when i come to a full stop and my foot on the break my car jolts. It litterally jolts forward and when it does this the lights on my dashboard dim. Then come back to normal.

Its like it has a kick to it when at a full stop. My engine light recently came on. My traction light came on. It makes no sense.

I open the hood and I can clearly see the engine jolt as if changing the gear.
Has anyone else experienced this? What can it be?
Lamb

Cambridge, Canada

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#15
Feb 17, 2010
 
common problem ABS sensor and front end alignments on 2000 Cavaliers. It happened to me, and not able to figure it out til took it to machanic.
terrytoon10

United States

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#16
Feb 17, 2010
 
Ali wrote:
I've read something about this before, but couldn't find it again. Thanks very much for this. I have to follow your suggestion to fix a spontaneous connection. I figure it's one of the front ones due to the ABS tripping if I make a turn without going straight right away... the ABS light goes off if I stop, kill, and restart the car. I'd like to not see the ABS light any longer and will inspect the sensors.=)
<quoted text>
Ali, Did you fix your ABS problem? If you talk to a KNOWLEDGABLE GM mechanic you'll find that the drivers side sensor plug goes bad for some reason. After I replaced mine all is fine. The plug goes bad after so many hot/cold conditions that the brakes go through. You can get the sensor harness on E-bay from about $23 to $75. GM wants over $100. GM part #19177104 or #19177102.
Robyn

Manlius, NY

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#17
Mar 7, 2010
 
my cavalier has same issue. It seems to be a bad (broken) motor mount.
QAD

Detroit, MI

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#18
Aug 13, 2010
 
Had the same issue recently with my 2002 Cavalier. Idle up, idle down, repeat every 15 to 20 seconds. It ONLY did this when I had the A/C on and it was the fact that the radiator fan was dead. A/C kicks on, car ups RPM to compensate, car gets no signal from the fan that it's working, car shuts off compressor, RPM's drop. Radiator fan and a new relay fixed the issue.
jordan

Lapeer, MI

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#19
Aug 28, 2010
 
I wonder if there is some kind of a recall out there on this topic cuz I too have a 2002 cav and the trac off light is always on how do we find out if its a recall or should we all come together and complain to chevy about our cavs??
Dan

Oviedo, FL

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#20
Sep 12, 2010
 
I had a problem with the engine running rough at a stop sign or light. Some told me it was a clutch sensor it the transmission and other said an engine mount, After inspecting the engine mounts, I found the one on the drivers side looked bad. I replaced it from one at a U pull It and everything is fine. No vibration at stops. Hope this helps. Now I'm working on the right front ABS sensor. My car locks up the right front coming to a stop.

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