If your Chevy Cavalier ETS Light and Check Engine light are on but the car runs fine how can you fix it?

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this sounds like a service request from from the manufacter they go by miles on the car 30k 60k 90k etc... they are so you well bring yuor car in so they can tell you you need a bunch of crap in some cases they then reset the system and there many differnet ways to do this im not sure how to do this on this car but you could probably goto your local auto part store and get a code reader and booklet fairly inexpesive and it well tell you step by step how to read the codes and reset the system so then you know whats wrong with the car or if nothing at all and you just need to reset then you know if auto repair\person is selling a line or what you really need or wether you want to fix the problem your self

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Autozone offers a service to read the codes for free with their scan tool and I'd think that they'd be willing to reset it after reading it.

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Try to get past the paranioa of the first post based on a lack of knowledge. Pull the codes from the computer, match the code to the troubleshooting procedure, follow the procedure to find the source. Repair the source, light will go out if that was the only problem. There are "monitors" or self tests the computer runs the car through a drive cycle, if a problem occurs, it may not run all of the self tests until that problem is taken care. Therefore, another problem may exist. It is emission related. OR hook up a scanner that is capable of clearing codes, and hope that none are still active. BCLEAR

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The ETS light comes on usually in responce to a cooling system problem in Cavaliers. The first thing to do is check your fuses. The Check Engine light always comes on when the ETS light comes on. You need to be concerned with this ETS system first. Usually it is your 30 amp fuse that needs to be replaced. On most cav's the fuse box us under your hood, on the right hand side. There are two fuses that are for the coolent system. Check these fuses first. If the fuse is blown, change it and the dash light should go out. If the fuse blows in a week or so again, then try to read the codes like the guys above say. When the fuse it out, the code reader is just going to say that you need to check your fuse. This is what happened in my car, and my mechanic said it was pretty common in these cars. Good luck.

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ETS stands for Enhanced Traction System, and has nothing to do with emissions or cooling. The Check Engine light does mean the emissions system has a problem. Have the computer scanned for the codes by someone who is able to interpret the codes and not just throw parts at the problem. This takes skill and knowledge, so take it to a professional, and don't waste money guessing.

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First answer by ID3477441429. Last edit by Clay. Contributor trust: 3313 [recommend contributor]. Question popularity: 80 [recommend question]