P300 Code - Tried almost everything!
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Joined: Oct 2015
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P300 Code - Tried almost everything!
Hello all,
I have read through countless threads relating to this issue and have spent over $1,000 trying to fix this issue to no avail! I recently installed a Stillen Gen3 intake and a few days later, got a CEL (P0300). Checked the vacuum lines, replaced spark plugs, ignition coils, and even a fuel injector (P302) in cylinder 2. After all of that, the two CELs are still on! If there is something that I might be missing, please let me know. Until then, I will continue to scour the forums for more useful info. Thanks!!!
I have read through countless threads relating to this issue and have spent over $1,000 trying to fix this issue to no avail! I recently installed a Stillen Gen3 intake and a few days later, got a CEL (P0300). Checked the vacuum lines, replaced spark plugs, ignition coils, and even a fuel injector (P302) in cylinder 2. After all of that, the two CELs are still on! If there is something that I might be missing, please let me know. Until then, I will continue to scour the forums for more useful info. Thanks!!!
Thread Starter
Registered Member
Joined: Oct 2015
Posts: 73
Likes: 5
Thread Starter
Registered Member
Joined: Oct 2015
Posts: 73
Likes: 5
It’s idling a little rough. Sounds cammed almost since I had a Stillen catback installed today. The shaking of the motor is noticeable. Other than that, the car is running fine. The most upsetting part is that I can’t take it home and enjoy the new sounds it makes!
I'd be tempted to reinstall the factory intake. Who knows, you may find the issue during disassembly.
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