Update on Jackaroo 3.5V6 fuel consumption
Submitted: Thursday, Jul 11, 2002 at 00:00
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Savvas
Well I just finished my first tankful of petrol after having the ECM reset on my Monterey 3.5V6. Without any type of driving change, fuel consumption around town dropped from 22L/100km to 17L/100km. Needless to say....."not happy, servicing dealer!" about the fact that they couldn't do anything about it, and I could. If anyone is interested, the process to retrain the Isuzu 3.5V6 ECM is 1/ Fill fuel tank right up, 2/ Remove ECM fuse for a few hours (preferably overnight), 3/ Replace fuse, make sure aircon is off, 5/ Start engine, and let the idle settle down to 750RPM, 5/ Drive it around using various throttle/speed conditions for about an hour or so. So my around town range has gone from just under 400km to 500km. The engine also cruises around quieter than before. This process was given to me by the Isuzu SUVs owners
forum in the US.