When you pay a tuner to work on your engine, what exactly does he do?
The reason I ask is that my S52/OBD1 failed smog due to running rich. It is running on a TRM chip for an S50. I'm looking for solutions to get the AFR where it needs to be.
If custom tuning is what I need, how would I find somebody who is worth the cost to get it done?
The reason I ask is that my S52/OBD1 failed smog due to running rich. It is running on a TRM chip for an S50. I'm looking for solutions to get the AFR where it needs to be.
If custom tuning is what I need, how would I find somebody who is worth the cost to get it done?
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