Misfiring incident in STL
11-20-2007, 10:18 AM
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Misfiring incident in STL
This is my first post, here, but I have read hundreds of articles on this site, that being said I have a question.
Two days ago my CEL came on after I started my car when I was done eating lunch. No hard driving nor sub zero temp. It was about 50 outside and I had driven it about a block to where I was going. When I came out and started it, there was the CEL. I was able to take it to Advance Auto to read the codes (found out I could do that from reading this forum)
P0301
P0304
P0306
P0300
DTC Pending Codes
P1399
I know the first 4 are the misfire codes for cylinder 1,4,&6 and I'm assuming the last one is related to the misfire as well even though it could be the Ignition system.
The consensus from all the other posts I have read is to restart the CEL, which I did by removing the battery leads for about an hour. When I started the car back up again, the light was gone, I just drove it to the ATM and hopped on the highway for about 5 minutes, the light stayed off.
Am I in the clear? or should I go ahead and start replacing the coil packs? I have about 92K miles w/ an 03 CL-S 6MT, bone stock except for a drop in K&N. Looking forward to all your advice
Two days ago my CEL came on after I started my car when I was done eating lunch. No hard driving nor sub zero temp. It was about 50 outside and I had driven it about a block to where I was going. When I came out and started it, there was the CEL. I was able to take it to Advance Auto to read the codes (found out I could do that from reading this forum)
P0301
P0304
P0306
P0300
DTC Pending Codes
P1399
I know the first 4 are the misfire codes for cylinder 1,4,&6 and I'm assuming the last one is related to the misfire as well even though it could be the Ignition system.
The consensus from all the other posts I have read is to restart the CEL, which I did by removing the battery leads for about an hour. When I started the car back up again, the light was gone, I just drove it to the ATM and hopped on the highway for about 5 minutes, the light stayed off.
Am I in the clear? or should I go ahead and start replacing the coil packs? I have about 92K miles w/ an 03 CL-S 6MT, bone stock except for a drop in K&N. Looking forward to all your advice
11-20-2007, 03:29 PM
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Thats what I figured, but I went ahead and bought 6 spark plugs and a can of sea foam. I split the can 50/50 gas/oil. I haven't installed the spark plugs yet, due to everyone's suggestion that after running sea foam they will get real dirty. I was going to wait till I need a new tank of gas.
Is it still worth the spark plugs or should I return those too? To my knowledge they are the originals from the factory. I bought the car used and I didn't see any maintenance notes.
Is it still worth the spark plugs or should I return those too? To my knowledge they are the originals from the factory. I bought the car used and I didn't see any maintenance notes.
11-21-2007, 08:36 AM
#4
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Originally Posted by matt_21484
Thats what I figured, but I went ahead and bought 6 spark plugs and a can of sea foam. I split the can 50/50 gas/oil. I haven't installed the spark plugs yet, due to everyone's suggestion that after running sea foam they will get real dirty. I was going to wait till I need a new tank of gas.
Is it still worth the spark plugs or should I return those too? To my knowledge they are the originals from the factory. I bought the car used and I didn't see any maintenance notes.
Is it still worth the spark plugs or should I return those too? To my knowledge they are the originals from the factory. I bought the car used and I didn't see any maintenance notes.
11-21-2007, 08:57 AM
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Could have been bad gas...
I filled up at exxon once and got a few codes after a flashing CEL...
Misfire
Misfire Piston 1
Misfire Piston 2
Misfire Piston 3
Misfire Piston 4
Misfire Piston 5
Misfire Piston 6
Yeah, wasnt happy about that one...
Anyway, I cleared the codes, it came back after 20 miles. Then I filled up at the local Hess, and it all went away...
I filled up at exxon once and got a few codes after a flashing CEL...
Misfire
Misfire Piston 1
Misfire Piston 2
Misfire Piston 3
Misfire Piston 4
Misfire Piston 5
Misfire Piston 6
Yeah, wasnt happy about that one...
Anyway, I cleared the codes, it came back after 20 miles. Then I filled up at the local Hess, and it all went away...
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