Quote:
Originally Posted by ATL BRZ
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.
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Yeah, the first tine it was the direct injector that went bad due to the seal issue. This time though, I got the sane CEL and the popping sound but they say that the injector is ok. That I find weird. I'd think that at least the seal would have to go bad in order for popping to occur. But them again I may still be in the bad comunicación phase with the dealer. Still haven't got the car back. But they did clarify that no additional coil went bad. They aré still searching for the answers .
I only use 98 octane fuel or at Worst 97. No other real options here. I'm definitely getting an Ecutek tune after this whatever the outcome.