Quote:
Originally Posted by RH77
Trust me on this...
I tried it on an I-4, it didn't work, and used more fuel.
On later engines, the Fuel-Injection system (and oxygen sensor feedback loop) requires a pre-determined ratio. If you override this, it might benefit, but...
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Resurrecting this thread to add more information to the pile. Someone tried the same thing you did, Rick, and had the same results:
Quote:
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I installed a switch which allowed me to turn off two of the fuel injectors on the 2.0L DOHC 4-cylinder in my Escort ZX2 (cylinders 2 and 3). I drove for 1,300 miles on my normal commute (about 90% highway), with two fuel injectors switched off at highway speeds, and switched back on for city driving. Surprisingly, my data showed a clear fuel economy penalty for injector cut-out! My fuel economy was about 2% to 4% worse than the normal driving before and after the experiment.
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More information on his web page:
Other Experiments