Quote:
Originally Posted by FlashBlueRS
I find a lot of people don't realize that tuning can not fix a car in poor mechanical condition. I get countless PM's like "Hey, my car makes a loud knocking sound, can I flash that out?" or "My car keeps stalling, can EcuFlash fix that?"
If you have a stock or mildly modified car and you have running issues and/or check engine lights, EcuFlash is not the answer. In some cases, the problem causing check engine lights and drivability issues can be compensated for by tuning, but it is just a bandaid that covers up the real issue.
A car should be in perfect mechanical condition before tuning. No vacuum/boost leaks, good ignition components, good O2 sensors, etc.
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I want to make sure people read this!! Make sure your car is healthy before even think about tuning your car!! If you are having knock because you flashed your rom, flash back your stock rom and give it some time to relearn and readjust. Monitor your car by logging. If the problem persists then take it to a mechanic or try to find the problem. ECUFlash does not FIX engine problems. What is normal knock you say?? From my experience 1 to 3 knocks is normal. If you are gettings almost 10 knocks find out why and how to fix it. Again ECUFlash will not fix mechanical problems. I'm not posting this because of X person, but its directed towards everyone and anyone interested in tuning their car.