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Chevrolet Cavalier Check Engine Light

34 messages,  Last post on Aug 22, 2009 at 9:06 AM

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What is this discussion about? Chevrolet Cavalier, Engine, Coupe

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#1 of 34 vacuum lines??? by 2000beastie Jul 08, 2007 (4:50 pm)
so i drive a 2000 cavalier and the check engine light has been on ever since i bought it 2 years ago. and i took it to a car place to get it diagnosed and they said there could be a vacuum leak but they never found out where and it is causing me to have very bad gas mileage. so if anyone has had a similar problem to mine i would appreciate your help. Replies to this message: cavaqueer (Apr 26, 2009 7:49 pm)
#2 of 34 2000 Chevrolet Cavalier Vacuum Lines by 2000beastie Jul 11, 2007 (4:34 am)
well i got my cavalier two years ago and ever since the check engine light has been on. i took it to an auto zone and they said there could be a leak in one of the vacuum lines but i just dont know which one it is. i know it is not the gas lid because i have already replaced it. so if anybody has any suggestions please help me out. thanks. Replies to this message: gonogo (Jul 13, 2007 7:52 am)
#3 of 34 Re: 2000 Chevrolet Cavalier Vacuum Lines [2000beastie] by gonogo Jul 13, 2007 (7:52 am)
Replying to: 2000beastie (Jul 11, 2007 4:34 am) What code # did AutoZone give you, PO XXXX.
#4 of 34 Alternate way to diagnose? by odyjha Dec 20, 2007 (10:20 am)
Hello, I was just wondering if there was an alternate way to check why my "check engine" light is on instead of taking it in to the shop and putting it on they OBDII tool. On my older car, I used to be able to stick 2 paperclips into the plug thing and my engine light would flash the codes at me. Is there any way to do that with the Cavalier? Or do I HAVE to use the OBDII tool? Replies to this message: gonogo (Dec 21, 2007 8:57 am)
#5 of 34 Re: Alternate way to diagnose? [odyjha] by gonogo Dec 21, 2007 (8:57 am)
Replying to: odyjha (Dec 20, 2007 10:20 am) You need at least a code reader for OBD2. Some parts stores will read your codes for free, like AutoZone.
#7 of 34 Chevrolet Cavalier Service Engine, ABS, And Trac Off Lights!! by felbdogg Dec 26, 2007 (4:54 pm)
These 3 lights are VERY annoying! I have did almost everything that you can do to fix it without replacing any parts because I don't know what to replace! I will explain how this problem started...   I drove my car for a week after getting the car fixed at Midas (fixed my exhaust system - new converter) and come to find out that for some reason my Brake Fluid Cap was loose/almost off! The reservoir for the brake fluid wasn't empty but it was close!!! I don't know if the ABS Pump is out now or what? I have had my car scanned several times at Checkers for free and nothing shows up! They say the Check Engine Light must be on to have the computer show a code.   If anyone has a solution for this or anything would help!! I have found a different discussion about this problem with a Grand Am GT but nothing for my car. I have a Cavalier Z24 2.4L   Please HELP! Replies to this message: gonogo (Dec 27, 2007 8:38 am) felbdogg (Dec 27, 2007 9:43 pm) gonogo (Dec 28, 2007 9:12 am) smiley1475 (Dec 30, 2007 8:13 pm) felbdogg (Dec 30, 2007 11:24 pm) gonogo (Dec 31, 2007 7:36 am) rkessler3 (Dec 31, 2007 8:29 am) gonogo (Jan 01, 2008 8:55 am) yodan (Jan 03, 2008 1:32 pm) and 1 more... tedebear (Jan 04, 2008 9:41 pm) morris2008 (Apr 12, 2008 9:40 am) and 1 more...
#8 of 34 Re: Chevrolet Cavalier Service Engine, ABS, And Trac Off Lights!! [felbdogg by gonogo Dec 27, 2007 (8:38 am)
Replying to: felbdogg (Dec 26, 2007 4:54 pm) You need to get the SES code and any other codes, if the light is not on it will show a code in history. I would pay to get good scan from a shop. Replies to this message: felbdogg (Dec 27, 2007 9:43 pm) gonogo (Dec 28, 2007 9:12 am)
#9 of 34 Re: Chevrolet Cavalier Service Engine, ABS, And Trac Off Lights!! [felbdogg by felbdogg Dec 27, 2007 (9:43 pm)
Replying to: gonogo (Dec 27, 2007 8:38 am) But the problem never threw a code I have been told by other mechanics too. If you scan it, it is going to show nothing related to this problem!! I was told there is such a thing as a speed sensor for the ABS system or something like that? It might be this because the lights dont light up till I hit about 15 mph or 5000 rpm. Replies to this message: gonogo (Dec 28, 2007 9:12 am)
#10 of 34 Re: Chevrolet Cavalier Service Engine, ABS, And Trac Off Lights!! [felbdogg by gonogo Dec 28, 2007 (9:12 am)
Replying to: felbdogg (Dec 27, 2007 9:43 pm) You stated the SES light was on, it will put a code in history, the person that told you the light needed to be on is not true. Some codes will even set with no light. The ABS coming on above 15 MPH is usually a wheel sensor.

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