Fault codes after changing spark plugs 😞
#1
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Hi all,
I changed my spark plugs 2 days ago. It would have a simple project if it wasn’t for the rubber pieces that are attached to each ignition coil. 5 out of 6 of those rubber pieces were stuck inside the tunnel where spark plugs are. I guess they kind of glued to the metal result of heat....it took me 3 hours to remove all rubber pieces!!
After done I took a test drive for 5 minutes, and there were no issues. But this morning, the car had a rough idle and immediately the following yellow codes appeared:
Fault engine control, Possible to drive
Start/stop operation deactivated
PSM loss, possible to drive on carefully
Car is 2014 991.1 3.4.
Anyone has any idea what might have caused the issue? Do I need to change the ignition coils?
Your help is appreciated.
Thanks in advance!
Edit: I removed the O2 sensors on each side to gain easy access to the last spark plug. Then, I attached it back. Would it cause the issue???
I changed my spark plugs 2 days ago. It would have a simple project if it wasn’t for the rubber pieces that are attached to each ignition coil. 5 out of 6 of those rubber pieces were stuck inside the tunnel where spark plugs are. I guess they kind of glued to the metal result of heat....it took me 3 hours to remove all rubber pieces!!
After done I took a test drive for 5 minutes, and there were no issues. But this morning, the car had a rough idle and immediately the following yellow codes appeared:
Fault engine control, Possible to drive
Start/stop operation deactivated
PSM loss, possible to drive on carefully
Car is 2014 991.1 3.4.
Anyone has any idea what might have caused the issue? Do I need to change the ignition coils?
Your help is appreciated.
Thanks in advance!
Edit: I removed the O2 sensors on each side to gain easy access to the last spark plug. Then, I attached it back. Would it cause the issue???
#4
Rennlist Member
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Advance Auto might pull the code for free. I got a decent scanner from Harbor Freight for around $50. Paid for itself a few times already. Also some cool Bluetooth App based scanners too.
I have this one
And this one
https://www.harborfreight.com/zr4-ob...der-63808.html
Something tells me you are going to see a misfire code on one of the cylinders due to a poorly seated coil or something....
I have this one
And this one
https://www.harborfreight.com/zr4-ob...der-63808.html
Something tells me you are going to see a misfire code on one of the cylinders due to a poorly seated coil or something....
#5
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Hi all,
I changed my spark plugs 2 days ago. It would have a simple project if it wasn’t for the rubber pieces that are attached to each ignition coil. 5 out of 6 of those rubber pieces were stuck inside the tunnel where spark plugs are. I guess they kind of glued to the metal result of heat....it took me 3 hours to remove all rubber pieces!!
After done I took a test drive for 5 minutes, and there were no issues. But this morning, the car had a rough idle and immediately the following yellow codes appeared:
Fault engine control, Possible to drive
Start/stop operation deactivated
PSM loss, possible to drive on carefully
Car is 2014 991.1 3.4.
Anyone has any idea what might have caused the issue? Do I need to change the ignition coils?
Your help is appreciated.
Thanks in advance!
Edit: I removed the O2 sensors on each side to gain easy access to the last spark plug. Then, I attached it back. Would it cause the issue???
I changed my spark plugs 2 days ago. It would have a simple project if it wasn’t for the rubber pieces that are attached to each ignition coil. 5 out of 6 of those rubber pieces were stuck inside the tunnel where spark plugs are. I guess they kind of glued to the metal result of heat....it took me 3 hours to remove all rubber pieces!!
After done I took a test drive for 5 minutes, and there were no issues. But this morning, the car had a rough idle and immediately the following yellow codes appeared:
Fault engine control, Possible to drive
Start/stop operation deactivated
PSM loss, possible to drive on carefully
Car is 2014 991.1 3.4.
Anyone has any idea what might have caused the issue? Do I need to change the ignition coils?
Your help is appreciated.
Thanks in advance!
Edit: I removed the O2 sensors on each side to gain easy access to the last spark plug. Then, I attached it back. Would it cause the issue???
Since you had a difficult time removing the ignition coils and spent 3 hours doing so there is a strong chance this will reoccur again. I for one would have replaced all six ignition coils. Here is the part number Part # 9A1-602-104-07. I also included a link for a vendor that has the lowest price around for OEM parts. This may not solve your problem but based on your experience removing the current coils it’s a good insurance policy to start with new parts.
https://www.fcpeuro.com/products/clo...or-9a160210406
#6
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Advance Auto might pull the code for free. I got a decent scanner from Harbor Freight for around $50. Paid for itself a few times already. Also some cool Bluetooth App based scanners too.
I have this one
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
And this one
https://www.harborfreight.com/zr4-ob...der-63808.html
Something tells me you are going to see a misfire code on one of the cylinders due to a poorly seated coil or something....
I have this one
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
And this one
https://www.harborfreight.com/zr4-ob...der-63808.html
Something tells me you are going to see a misfire code on one of the cylinders due to a poorly seated coil or something....
#7
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Since you had a difficult time removing the ignition coils and spent 3 hours doing so there is a strong chance this will reoccur again. I for one would have replaced all six ignition coils. Here is the part number Part # 9A1-602-104-07. I also included a link for a vendor that has the lowest price around for OEM parts. This may not solve your problem but based on your experience removing the current coils it’s a good insurance policy to start with new parts.
https://www.fcpeuro.com/products/clo...or-9a160210406
https://www.fcpeuro.com/products/clo...or-9a160210406
the coils came out easily but the soft rubber piece attached to the tip of the coil remained in the tunnel when I pulled the coil out. It is definitely a design error.
I will I’ll remove all of the coils and spark plugs, clean and reinstall them. If it doesn’t solve the issue, I will replace the coils as you suggested.
Regards
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#10
Nordschleife Master
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did you check the gaps in the plugs? are they all OK?
#12
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I sprayed WD-40, then used needle nose pliers. But instead of pulling them out, I kept twisting them left to right, right to left. Eventually they gave up and got lose. But I damaged one of the rubber pieces when I was trying to pull out! It will take time but they eventually come out. Be penitent. The worst case you can buy new set of coils (~$240). You would still save tons of money compared to what dealer charges.
I hope this helps
I hope this helps
#13
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I visually inspected them and didn't see anything unusual. These are the plugs I used:
https://www.fcpeuro.com/products/por...ch-99917015190
https://www.fcpeuro.com/products/por...ch-99917015190
#14
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Do you think that O2 sensors can go bad after simple uninstall/install?
These are the saprk plugs I used:
https://www.fcpeuro.com/products/por...ch-99917015190