Quote:
Originally Posted by spooled240
Let's try that again France:
^this is from the full service manual by the way. No where does it say that it will change the fuel map or affect anything under normal driving conditions for that matter. It merely pulls timing when it detects knock when the car is NOT in normal driving conditions(aka light/no load), which is what I stated earlier.
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Didn't saw that answer at the time...
Ask any tuner using a nistune, and he will tell you are wrong. The ECU has 2 sets of fuel & timing maps, when it detects knock it uses the alternate knock maps (and may pull timing on top of that, many users reported this when copying normal maps to knock maps). Or you could just seach the internet for the ECU address file. You will see there are 2 sets of maps. If you are still not convinced, reverse engineer the ecu code. It is an old and simple mcu, so while tedious, it still is easy.
Anyway, mail order tune have their limits and injector modification is not that easy, esp. with a different FPR. Either your injectors are actually bigger than you think, and have a shorter latency than what is in the tune, or you may have a problem with the FPR, or ... the mail order tune is actually very rich on purpose, as no one wants a blown engine because the fuel system is weak.
It is not hard nor to set latency and K correctly, but the tuner really needs the car to get it spot on. It cannot be done without.