Thread: CEL P0018 Cams
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Old 09-23-2022, 04:52 PM   #63
NoHaveMSG
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Quote:
Originally Posted by opc View Post

1. When people refer to the "ECM" do they mean the main control module under the glove box in the cabin, or is it the smaller module on the passenger side of the engine in the engine bay? Both seem to be available on eBay for ~$100 and both seem to be called "ECM" interchangably. I'm not sure which I need to replace.

2. I have heard about updated ECM ROMs that can be loaded to fix this issue. Is there any point pursuing this, or is this just nonsens? Is it really true that there's no way to "reset" the ECM to default values to undo the bad values values it has learned? This seems absurd to me.

I would hugely appreciate any help on this issue. I'm supposed to have a track day on the 30th and am deperately trying to get this all fixed by then

Thanks!
Owen
1. It is the unit under by the glove box, the one in the engine bay is the driver for the direct injection.

2. I am not sure about this. I believe I have seen some threads where they swapped the ECM into another car and swapped it back and it worked, but I would have to hunt that down.

Be sure to follow this guide if you do swap ECM's.

https://www.ft86club.com/forums/showthread.php?t=102810
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