Uploaded September 2012 | Updated September 2026, 1 week ago

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I unplug each injector while idling on this 2.2L Renault motor to see its effect. Disconnecting 1,2,4 nearly kills the motor when #3 does almost nothing. So #3 is the one with the problem. The next step would be to test compression and look at the plugs. One could also swap 3,4 injector and see what happens there.

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