Really don't think it would be the ECU, there is something else going on........> Possible causes...> - Faulty spark plug 4 - Clogged or faulty fuel injector 4 - Faulty ignition coil 4 - Fuel injector 4 harness is open or shorted - Fuel injector 4 circuit poor electrical connection - Ignition coil 4 harness is open or shorted - Ignition coil 4 circuit poor electrical connection - Insufficient cylinder 4 compression - Incorrect fuel pressure - Intake air leak
Yes I have replaced coil pac, spark plug , cleaned all injectors and swapped #4 injector with #3, checked wireing.
2001 Mitsubishi Mirage ES
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Maintenance & Repair
I have a 1996 Mitsubishi Mirage. The gas gauge appears to work properly until the gauge reaches below half a tank. Basically it shows there is less gas than what there is. When the gauge is completely...
1996 Mitsubishi Mirage S Coupe
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Maintenance & Repair
Have a 96 Mitsubishi Mirage and need a blinker will a Corolla blinker switch work
1996 Mitsubishi Mirage S
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Maintenance & Repair
Have had it on vacation and had many gas fills and it still does it. Service manager says oh that northern fuel is different that ours!! Very frustrating!! I am afraid it could be dangerous if in the ...
2015 Mitsubishi Mirage DE
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Maintenance & Repair
My 2001 Mitsubishi Mirage dose not take off at normal speed it's very slow. I've replaced throttle body sensor spark plugs and down that line. It runs good after you pass 20 mph but when I come to a...
2001 Mitsubishi Mirage DE Coupe
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Maintenance & Repair
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