Question about 2004 Chevrolet Cavalier

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2004 Cavalier, Service light, ABS light, Trac Off light

My Service light, ABS light, Trac Off light stay on and makes eng run ruff (not always) Ran test, said left front ABS sensor bad. Replaced it and a few weeks later lights still on? Replaced breaks all around to include drums and rotors and both front calipers. Disconnected batt. for 10 min. nothing the lights are still on? Car is at it's 100,000 mile mark, would that have something to do with it? Does it need to go to dealer to turn off??? I have a 2004 Chevrolet Cavalier that no one has been able to properly diagnose the problem. The ABS, Trac off, Check engine light and Service lights are all on. The brakes have been replaced. Last time it went to the shop the mechanic said probably the alternator.The new alternator was done and the lights went off for a day after putting in the new alternator, but have all come on again. Also every once in a while the car seems to have power surges--like the headlights will dim, and the windsheild wipers will slow. I would like to get an idea what is wrong before I bring it to the dealer. i have a 2004 chy cav also the check engine light came on and showed the intake sensor was out but before that my car was shifting really hard i have a after market intake so i didnt think anything of it. i took it to a transmition shop and they didnt know what was wrong.they sent me to an electrical specialist and he said to change the sensor and it should take care of the prob. it did for 4 blocks and started shifting hard agian. i took it back and he said that my computer was bad! he and i checked the wires and conections with the volt meter everything had power and ground. he cleared the code and it ran fine for 2 blockes then the light came back on and shifted hard. IS MY COMPUTER GONE BAD?????

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  • 179 Answers

Yes go to the junk yard and match up the plug in with the same engine size it dont have to be the same year

Posted on May 31, 2009

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2007 suzuki xl7 abs and trac and stability lights stay on already have had sensor replaced


you forgot to scan it first
and to read the FSM on results of above, sure.

sounds like your shop is incompetent; try a full ASE shop. they wont make excuses...

first off if the brakes are bad or weak the ABS will not be happy.
if the abs cannot control wheel spin, then just maybe its bad brakes.
huh?

in fact its that order
brakes
ABS (abs needs brakes that work or/ fails)
Trac. (track uses ABS to work) so.... is last. to fix.


the lights can go on ,even when driviing off road. or on ice
this is normal, it just means ,easy dude...
but if it sticks on, you scan it, did you not scan it first? at stick on?
buy a scan tool
my innova 3160 does full factory scan.

finding chapter 11 suzuki dealers are a problem. so.... id sell it , if not with all tools needed. buy a jeep. 10x better.
best year is 2006. imo

Aug 27, 2014 | 2007 Suzuki XL7 AWD

1 Answer

My car was idling ruff when stopped, but fine while driving. The check engine light never came on. MY mechanic ran a test said airflow sensor was bad and changed it. When driving away the check engine...


the fact that the car runs well indicates that it is not the ECM ( brain to mechanics who have little idea)
take the vehicle to an accredited service center who has experience on your make of vehicle and have the fault codes read and then fix the faults reported

Mar 19, 2017 | 2005 Mercury Grand Marquis

1 Answer

How do I turn off my service, abs, and trac off lights off and why would they be on? I have a 2004 Chevy Cavalier with the 2.2 Ecotec engine


Service light can be turned if with an OBII scanner (Autozone or any good parts store can reset service light for FREE) The ABS & trace control lights are in because you have a wheel sensor(s) that are bad - replace bad sensor and then a certified shop or dealer has to reset ABS light (EXPENSIVE TOOL)

Mar 23, 2011 | 2004 Chevrolet Cavalier

1 Answer

My 2005 chevy cavalier has a service engine, abs, and trac off light on. sometimes the low trac light comes on when in the reverse position, then switches to the 3 lights when put in the drive position....


The ABS and traction off lights usually indicate a bad wheel speed sensor. I can't remember if the service light came on the three times mine went. The most common one to fail is the left front.

Try this cheap fix first.

Remove the left front wheel speed sensor, clean and reinstall it. They are magnetic and some times road debris will block the sensor. If that was the problem the ABS and traction lights will go off when you start the car.

Your second option is to have the shop scan the vehicle trouble codes, usually this costs an hours labor.

Hope this helps

Nov 07, 2010 | 2005 Chevrolet Cavalier

1 Answer

ABS,TRAC OFFand SERVICE come on when starting out


check the abs sensors and connections of the sensors also that the sensor connection is attached to the clip[part of the circuit if wiring and connections are good then have car scanned most auto stores such as auto zone / advanced auto do this service for free check ur local area the trouble code will pinpoint ur problem so ur can repair ur car

Apr 19, 2010 | 2004 Chevrolet Cavalier

2 Answers

Abs and trac light stays on on 2004 chevy cavalier when i turn the steering wheel.both abs sensors were changed and no noticable braking problems.what could it be?


you will have to check the abs wiring harness. the wires going to the wheel speed sensors are more than likely broken setting the code and turning the abs light on. hope this helps.

Feb 11, 2010 | 2004 Chevrolet Cavalier

2 Answers

Abs light and brake light are on. also service


You can test the wheel speed sensors by unhooking the connectors and put ohmeter test leads on the sensor terminals should read around 1100-1600 ohms also the connectors themselves were bad for wires breaking inside the insulation at the connectors from flexing when the wheel is turned back and forth..Note excessive wheel bearing noise from bad bearings have also been known for interferring with clean abs signal also causing abs codes good luck

Nov 06, 2009 | 2004 Pontiac Grand Am

1 Answer

2004 Cavalier-ABS and Trac light warnings


no you need to take it and have the codes pulled on it, the abs system will disable the traction control system.Without knowing what the codes are for the abs system it would not be possible to say what the problem is.

Jun 19, 2009 | 2004 Chevrolet Cavalier

1 Answer

2004 Cavalier, Service light, ABS light, Trac Off light


Are you using a gel based battery?
Sounds like an overload on the charging system screwing the whole electronics of the car.
If not - get it diagnosed at a dealership.
Sorry.

May 28, 2009 | 2004 Chevrolet Cavalier

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