service engine light - Team Camaro Tech
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post #1 of 23 (permalink) Old Jan 24th, 01, 03:43 PM Thread Starter
 
Join Date: Jan 2001
Location: Youngstown Fla USA
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Question

Just bought 93 camaro yesterday seems to run great but service engine light came on when I stopped at store went off and didnt come back on. Previous owner said came on on him when low on gas??? but I filled up this morning.Im female and seem to have a hard time at shops. Any ideas??? It came on once not staying on
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post #2 of 23 (permalink) Old Jan 24th, 01, 04:20 PM
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The problem COULD be as simple as a loose gas cap. I don't know the year it started, but some emmissions systems monitor the gas tank pressures.

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post #3 of 23 (permalink) Old Jan 29th, 01, 05:54 PM
 
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Also could be low oil. I've had several cars that if your oil gets as low as one quart low the check engine light would come on. Just a possibility.
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post #4 of 23 (permalink) Old Jan 30th, 01, 05:40 AM
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DellerBe , low oil light would come on if low oil.

its the gas cap, OBDII computer system monitors Fuel Pressue, if the Tank cannot be pressurized the SESlight comes on , take the cap off, and put it back on untill it clicks a few times, then its on, the fuel tank will presurize and your fine. (BTW: its in the manual in the glove box under Fuel and maintenance section)

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post #5 of 23 (permalink) Old Jan 30th, 01, 10:41 AM Thread Starter
 
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Location: Youngstown Fla USA
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Tightened gas cap real weird around town light never comes on but when I head home on the highway 55 to 65 then slow down for light comes on every time.Stays on till I turn car off Dont come on till next day way home around the same place????

Thanks, Natalie
post #6 of 23 (permalink) Old Jan 30th, 01, 01:20 PM
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Natalie, find an auto repair shop that you can trust and have them hook up a scan tool and find out what the code is, if the light comes on every time at the same place, it is setting a code and needs to be checked and repaired. See if a family member or a good friend can recommend a shop. It is much too difficult to try to diagnose over the internet.

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post #7 of 23 (permalink) Old Jan 31st, 01, 02:02 AM
 
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I have a similar problem with my 95 Camaro. We haven't had it tested, but we are pretty sure that the O2 sensor has gone bad. (Suggestion from retired GM employee.) Also, I have noticed that when I run a better grade of gas the problem is not as bad.

Just a thought.
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post #8 of 23 (permalink) Old Jan 31st, 01, 07:11 AM
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maybe its the Flux capacitor

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post #9 of 23 (permalink) Old Jan 31st, 01, 10:18 AM
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Cool

i bet the anti-mater mix is off, scottie where are you!
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post #10 of 23 (permalink) Old Jan 31st, 01, 11:27 AM Thread Starter
 
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Flux capasitor is a joke right???Be nice im a girl and dont know that much about cars dont need to be checking things that dont exist HA
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post #11 of 23 (permalink) Old Jan 31st, 01, 09:08 PM
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Natalie,

i was jokeing, i had no idea you where a woman, i did not read your name in your post shame on me! i used to be a shop supervisor when i wrenched for a liveing. i hired 2 female mechanic's, they where my best one's too! so just because you are a woman is not an issue with me. also there is no such a thing as a "stupid question!" only flake's like me that give you a smart responce.

i was just playing around no offence intended, please forgive me. but hey it was funny!LOL

i would bet on the O2 sensor too, but to be sure you need to pull the code's. if i was in your area i would gladly show you how to do it! it is a very simple thing to do. just sound's well complicated. it is best to be shown how cause to read how will confuse you, i know it did me!LOL it also can be a bad conection, or a ground problem with a temp sensor. my experiance has been 99% of the time it is a bad conection, a little corosion in the conection and wierd thing's happen.

this place is in the bizz of helping! so keep asking!
vern

[This message has been edited by ilbl8 (edited 02-01-2001).]

[This message has been edited by ilbl8 (edited 02-01-2001).]

[This message has been edited by ilbl8 (edited 02-01-2001).]
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post #12 of 23 (permalink) Old Feb 1st, 01, 12:36 PM Thread Starter
 
Join Date: Jan 2001
Location: Youngstown Fla USA
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Question

No ffence taken got a code scanner and plugged it in,key on and get nothing. Book says its supposed to flash code but engine light does not flash any ideas???? Have GM code scanner but wouldnt do anything neighbor tried Pontiac and it worked on it so I know its not the scanner
post #13 of 23 (permalink) Old Feb 1st, 01, 01:03 PM
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my 91 suburban dose this! i hate it!

i went to my budy, work's at a ford dealership but is GM guy go figuare!

he used there scan computer and pulled the codes for me. he said it has to do with the ALDL(Assembly Line Diagnostic Link)

that is the thing you plug into. so i belive him as i have been out of the trouble shooting game on FI car's for about 10 years now. i was prety good in my day, but i am behind the time's.

you could take it to a dealer and have them pull the code's for you and give an estamit to fix it. it will cost you around $50.00, they should give you a copy of the code's pulled. then fix the beast your self, i bet you are felling like it is the camaro from hell right now.

good luck!
vern

[This message has been edited by ilbl8 (edited 02-01-2001).]
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post #14 of 23 (permalink) Old Feb 1st, 01, 01:10 PM Thread Starter
 
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As long as its nothing serious just sold 68 convertable to get this car.Regretting it already but if I dont have any major problems make me feel better HA
post #15 of 23 (permalink) Old Feb 1st, 01, 01:31 PM
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I would probably take a look at the EGR valve. When driving on the highway, the valve will be open continously. When coming to a stop, the valve should close. If it didn't close completely, this would throw a code.

When you hooked up the scanner and turned the ignition to the "on" position without starting, did you receive code 12? What year was your neighbors Pontiac?

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