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Old 12-03-2012, 04:58 PM   #1
Dustineering
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2008 Astra XR
Default CEL Codes

I've had a code for my O2 sensor for a few hundred miles; it goes on and off. Then, yesterday, I went to pass someone and stepped a bit harder on the pedal and just lost power. Pulled off into a parking lot and felt a misfire. I took it in to have all the codes read and this is what I get with a generic description:

P0141 - HO2S
P2A01 - O2 Sensor
P2096 - O2 Sensor
P0136 - HO2S
P0111 - IAT Sensor
P0313 - Misfire Detected
P0301 - Cylinder 1 Misfire Detected
P0300 - Misfire Detected
P0141 - HO2S

Bought some new plugs today to see if that would do anything; it does not. No one around has an O2 sensor, but I doubt that has anything to do with the misfire. Anyone know what I should do?

...
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Old 12-04-2012, 10:30 AM   #2
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Default Re: CEL Codes

That many codes sounds like something came loose, possibly as simple as a ground going bad. Did you clear the codes?

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Old 12-04-2012, 07:08 PM   #3
Dustineering
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Default Re: CEL Codes

Coil pack is the issue I guess...ugh.

How legit does this seem?

http://www.ebay.com/itm/Ignition-Coi...0ae8a3&vxp=mtr

...
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Old 12-04-2012, 08:19 PM   #4
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Default Re: CEL Codes

I'd say it's as legit as any other one you're going to find. Their return policy is my only issue. It's also shipping from HK, so it will likely take quite a while to get here.

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Old 12-04-2012, 08:35 PM   #5
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Default Re: CEL Codes

Tried a spark test with plugs removed and plugged in to the coil pack with plug bases grounded to the engine block? Other than using a reader to check ignition, this may be the only way to test for spark from the coil pack.

How many miles on the car? Any chance the catalytic converter is plugged and causing this misfire and erratic engine issues?

...
*The CPS is the heart of the entire EFI system. No cps = dead EFI system*
*There's more to a/c than just a few cans of refrigerant*
*There's more to brakes than just replacing parts*

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Old 12-05-2012, 03:54 AM   #6
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Default Re: CEL Codes

Oddly enough, that looks like the pile of codes I got after I cleaned my MAF and didn't plug it back in. I had others, but there were a bunch of seemingly unrelated codes tied to that one connection being disconnected.

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Old 12-05-2012, 08:33 AM   #7
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Default Re: CEL Codes

Quote:
Originally Posted by fdryer View Post
Tried a spark test with plugs removed and plugged in to the coil pack with plug bases grounded to the engine block? Other than using a reader to check ignition, this may be the only way to test for spark from the coil pack.

How many miles on the car? Any chance the catalytic converter is plugged and causing this misfire and erratic engine issues?
Yep, that's how we found out it was the coil pack. The car has a touch over 92,000 miles on her now; trip to NY constantly don't help keep her a low mileage vehicle. No emission codes other than the O2 sensor are sent out...but I will see how she acts when all is done.

...
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Old 12-05-2012, 08:42 AM   #8
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Default Re: CEL Codes

Well, hopefully a new ignition coil pack is all that's needed to correct all the error codes.

...
*The CPS is the heart of the entire EFI system. No cps = dead EFI system*
*There's more to a/c than just a few cans of refrigerant*
*There's more to brakes than just replacing parts*

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Old 12-05-2012, 12:21 PM   #9
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2003 ION-2 Sedan
Default Re: CEL Codes

Quote:
Originally Posted by Dustineering View Post
Coil pack is the issue I guess...ugh.

How legit does this seem?

http://www.ebay.com/itm/Ignition-Coi...0ae8a3&vxp=mtr
report back if this works.
i was going to purchase one for a spare.
keep us informed
thanks

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Old 12-06-2012, 05:01 AM   #10
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Default Re: CEL Codes

Hey Dustin. You wrote a while ago about upgraded spark plugs: "*I figured an upgrade can't hurt. Plus, 25000 miles per change is a little stupid...way too often."

What did you settle on as a change interval in the end?

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Old 12-09-2012, 12:52 PM   #11
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Default Re: CEL Codes

Quote:
Originally Posted by smwalker View Post
Hey Dustin. You wrote a while ago about upgraded spark plugs: "*I figured an upgrade can't hurt. Plus, 25000 miles per change is a little stupid...way too often."

What did you settle on as a change interval in the end?

I never hit the mark. I owned the car for about 30,000 miles and then I had this issue. I just tossed new plugs in; didn't fix the issue, but what's done is done .

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