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Old 07-03-2009, 05:42 AM   #1
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Angry Engine Alarm!!!!!

I just had an Engine Alarm ON which is located in the MPH gauge. I have called OnStar to check this problem and they made a car diagnostic. Then they told if I made any fuel refill for my car because the fuel cap is not closed well!! (I don't know what is the relation between the Engine Alarm and the fuel cap).
Anyway they told me I need to check the fuel cap and close it well then they said to drive the car for a day or so to see if the Engine Alarm turn off or not. Then they told if its still ON, I have to take it to my dealer to check the car.
I just want to mention that my Camaro is a 2SS/RS with an Auto Transmission and the mileage is 458!

I am wondering if any one have an idea or similar issue.
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Old 07-03-2009, 05:47 AM   #2
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Engine Alarm is alot like the check engine light. 90% of these case are gas cap not on tight. The system creates a vacumn and if not right the computer detects it and reports the issue.
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Old 07-03-2009, 05:57 AM   #3
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Engine Alarm is alot like the check engine light. 90% of these case are gas cap not on tight. The system creates a vacumn and if not right the computer detects it and reports the issue.
I didn't know that gas cap might cause this Engine Alarm Light. Thanks for the info.
But the gas cap is well closed, I checked it twice.
Do you have any idea what else it could be? :(
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Old 07-03-2009, 06:24 AM   #4
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If the gas cap is closed well, and was already closed well... it's time to take it to the dealer and not let people theory craft your problem. There are quite a few VERY knowledgeable people on this board. On the flip side, there are a lot of people who give very BAD advice.

If my engine light was on, I'd be calling to have it picked up on a flat bed truck. It doesn't cost you a dime, and I'm not going to risk engine damage.
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Old 07-03-2009, 07:16 AM   #5
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Quote:
Originally Posted by Verio View Post
If the gas cap is closed well, and was already closed well... it's time to take it to the dealer and not let people theory craft your problem. There are quite a few VERY knowledgeable people on this board. On the flip side, there are a lot of people who give very BAD advice.

If my engine light was on, I'd be calling to have it picked up on a flat bed truck. It doesn't cost you a dime, and I'm not going to risk engine damage.
Trying to figure out if you just slammed me.
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Old 07-03-2009, 08:32 AM   #6
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Trying to figure out if you just slammed me.
Please keep comments respectful.
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Old 07-03-2009, 08:36 AM   #7
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Scott is correct.

This happens on just about all GM cars and trucks, and has been for years.

You CAN drive it.

If there is a serious issue that warrant NOT DRIVING, the engine light will FLASH and you should NOT drive your car!
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Old 07-03-2009, 08:43 AM   #8
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Scott is correct.

This happens on just about all GM cars and trucks, and has been for years.

You CAN drive it.

If there is a serious issue that warrant NOT DRIVING, the engine light will FLASH and you should NOT drive your car!


To the OP-
Just to add, this isnt just GM vehicles, its across the board for all new vehicles as part of federal emission requirements.

I've personally seen these new 'easy off' gas caps do this every once in a while. Even if it looks like its on perfect sometimes they just arent right, nothings wrong with the cap or the car, just happens. If you havent already, when you have the car off, take the gas cap back off and screw it back on, just to make sure its on there good.

Also, Onstar told you it was the gas cap because your computer is throwing a trouble code specific to the gas cap.
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Old 07-03-2009, 08:44 AM   #9
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Originally Posted by CamaroScotty View Post
Scott is correct.

This happens on just about all GM cars and trucks, and has been for years.

You CAN drive it.

If there is a serious issue that warrant NOT DRIVING, the engine light will FLASH and you should NOT drive your car!
+1! Happened to my GF truck! Check engine light came on and the gas cap had to be re-tightened but still had to go get the code reset!
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Old 07-03-2009, 09:23 AM   #10
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Yep happened to my Honda and Autozone dude reset it for me for free.
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Old 07-03-2009, 10:10 AM   #11
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On my M3 I had the light come on (service engine soon) and off intermittently and it was always blamed on the gas cap. Finally after being very insistent the dealer performed more extensive testing and found that it was a bad coil pack. (which was a known issue on the M3 and for which a tech bulletin existed)

My engine was never 'at risk' as there's was another warning indicator that would have lit if it was an 'at risk' issue. I would suggest resetting the gas cap, get 20-30 miles driving done...add some more gas/fill up...ensure gas cap is seated properly...and get another 20-30 miles done. Then, if issue still exists take it to the dealer and have them pull codes and diagnose.

Not sure if that's "bad advice", but that's what I would do based on experience.
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Old 07-03-2009, 10:38 AM   #12
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Look at it this way, it's another reminder for those absent minded people who forget to put their gas caps back on and end up driving around with it rubbing and scratching their paint.

Note this was NOT a slam on the OP because his just wasn't tight enough.
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Old 07-03-2009, 10:51 AM   #13
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Common problem. Just didn't put it on tight enough.
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Old 07-03-2009, 12:14 PM   #14
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Hey here is another thing that could be causing it and I had no idea. I thought I knew about all there is to know about these new engines but one of my buddies who is a master tech said when you pump gas , once the pump cuts itself off do not keep pumping that last little bit in because it will mess up the carbon cannister and set off this same light. I had no idea. Maybee this is common knowledge, but ive built many of these engines and never heard anything like this
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Old 07-03-2009, 02:25 PM   #15
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I check the gas cap twice and it's closed tight. I told OnStar if I need to stop the car and call to have it picked up on a flat bed truck but they told me that it's not necessary and I can drive my car for a day or so t check if the Engine Light is turning off or not.
If not, then I have to take it to a dealer.
Actually I drove like 10 miles after the Engine light ON and there was nothing unusual in the car. All gauges were fine and the car sounds normal like always. I even hit the gas to see if there is any difference than before Engine Light but nothing is different at all.
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Old 07-03-2009, 02:51 PM   #16
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Quote:
Originally Posted by Scott@Bjorn3D View Post
Trying to figure out if you just slammed me.
I didn't slam you...

If my engine "alarm" or any engine light for that matter came on, I'd want it fixed, under warranty. Why drive around a car if there might be an issue?

In my VW the Engine light started flashing (means don't drive at all, have it towed) come to find out it was just a cylinder misfire because something came loose. Car still drove fine, but until I pulled that code I had no idea. The B5.5 forum people were telling me to do this and that, and so on.

You ask an opinion on a forum with very vague information, and you'll get 50 different opinions. Most of them probably wrong. Let the professionals do their job.
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Old 07-03-2009, 02:52 PM   #17
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Quote:
Originally Posted by Scott@Bjorn3D View Post
Trying to figure out if you just slammed me.
Sure seemed like it.

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Quote:
Originally Posted by CamaroScotty View Post
Scott is correct.

This happens on just about all GM cars and trucks, and has been for years.

You CAN drive it.

If there is a serious issue that warrant NOT DRIVING, the engine light will FLASH and you should NOT drive your car!
That's the way I allways understood it.

Quote:
Originally Posted by 96rss/ls6 View Post
Hey here is another thing that could be causing it and I had no idea. I thought I knew about all there is to know about these new engines but one of my buddies who is a master tech said when you pump gas , once the pump cuts itself off do not keep pumping that last little bit in because it will mess up the carbon cannister and set off this same light. I had no idea. Maybee this is common knowledge, but ive built many of these engines and never heard anything like this
Never heard of that.

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Originally Posted by Stylish View Post
I check the gas cap twice and it's closed tight. I told OnStar if I need to stop the car and call to have it picked up on a flat bed truck but they told me that it's not necessary and I can drive my car for a day or so t check if the Engine Light is turning off or not.
If not, then I have to take it to a dealer.
Actually I drove like 10 miles after the Engine light ON and there was nothing unusual in the car. All gauges were fine and the car sounds normal like always. I even hit the gas to see if there is any difference than before Engine Light but nothing is different at all.
It has taken up to 2 days for my light to turn off after leaving the cap off or loose.
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Old 07-03-2009, 03:00 PM   #18
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BTW, don't know if I'd trust the onstar readings. Look at my 'remaining oil life'. Mileage says 2155 and has remaining oil life 83%. Huh?









Vehicle Maintenance


Remaining Oil Life: 83%

Mileage: 2,155

No required maintenance due at this time.

Based on oil life and mileage readings, next required maintenance estimated at 13,500 miles.









Well, this was a pain in the ass post. lol
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Old 07-03-2009, 03:10 PM   #19
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Hey Verio, I'll be watching my account.








I kid.
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Old 07-03-2009, 04:18 PM   #20
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BTW, don't know if I'd trust the onstar readings. Look at my 'remaining oil life'. Mileage says 2155 and has remaining oil life 83%. Huh?
My Honda has a maint minder like GM's. I routinely go over 5K miles between oil changes with the last one being over 6K miles. With just over 40K miles, that thing runs as smooth as the day I bought it. I know the dealer service depts must hate these oil life monitors because I no longer go 3K miles between oil changes. I bring it in when the car says so.
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Old 07-03-2009, 04:52 PM   #21
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Yes, this is an issue ever since 1996 (or 97) when OBDII became standard for all vehicles- doesn't hurt car at all to drive it.
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Old 07-03-2009, 05:12 PM   #22
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Hey Verio, I'll be watching my account.








I kid.
LOL I'm gunna stealz your Onstar... you just wait
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Old 07-03-2009, 05:37 PM   #23
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I think I found the problem.

I tried to start my car from the key remote but it didn't. I think yes that is related to the Engine Light.
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Old 07-03-2009, 05:43 PM   #24
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I check the gas cap twice and it's closed tight. I told OnStar if I need to stop the car and call to have it picked up on a flat bed truck but they told me that it's not necessary and I can drive my car for a day or so t check if the Engine Light is turning off or not.
If not, then I have to take it to a dealer.
Actually I drove like 10 miles after the Engine light ON and there was nothing unusual in the car. All gauges were fine and the car sounds normal like always. I even hit the gas to see if there is any difference than before Engine Light but nothing is different at all.
OK your car must run multiple trips with no malfunction before the light will go off. So onstar is right to tell you to drive it for a few days. The computer must run all tested a few more times and detect no problems before the light will reset on it's own. But if you are worried just go see the dealer and let them pull codes for you and reset the light.
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Old 07-03-2009, 05:52 PM   #25
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If only car manufacturers would allow owners to actually READ THE CODE themselves, there wouldn't be so much guesswork and needless trips to dealerships about the mysterious check engine light. At one point EPA was going to make owner-accessible diagnostics part of the OBD spec, but EPA caved to the politically-powerful carmakers and dealership lobby.
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