Quote:
Originally Posted by Tico
After abiut a year of tracking once a month, I got the first P0352 CEL, cleared it, took it to the dealer and they said nothing appeared to be wrong. Next month, another track day, same P0352 CEL, but now with popping under the hood. Back to dealer. They replaced a bad injector but not the coil. Next track day, same thing, with popping again. Now back at dealer. They say injector is ok, but replaced the coil this time. When they were testing it, another coil failed, so now they've called in the cavalry, as this is the first case here in Peru and they want to be as thorough an by the book as possible. Problem is it looks like I'm more up to dat on the issue from reading this forum than they are. Just told them about the stock tune and the reflash.. They hadnt heard of it. Dont want to swap in the spare Okadas I have yet so the warranty is still good. im not a mechanic, but Im still not sure if the P0352 is coming up due to a faulty coil, or a faulty injector, if they are necessarily related, and if so, which causes which.
No engine mods at all. Just a perrin catback, and wheel and suspension upgrades.
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Can you please specify if you've had direct or port injectors replaced due to the popping sounds?
P0352 is for #2 coil malfunction and on certain vehicles the ECM may shut down the associated injector when that code is thrown. I'm not sure yet if the code is directly correlated with DI seal failure.
I've done a few track days since getting P0351 and replacing my #1 coil and haven't had any issues since. I should mention that since last year I've been running a tune based on the latest B01C revision which includes the DI seal fix (prevents high-rpm detonation between shifts). I'm also running E85 at the track which lowers cylinder temperatures and is much more knock resistant.
If you track the car frequently I'd recommend getting the latest tune revision either through your dealer or an EcuTek tuner. Make sure you're running at least 93 octane gasoline and if you can get E85 there then a Flex-fuel kit and EcuTek tune is a good option to help the engine handle track abuse.