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Thread: D2 4.0 ecu fault help

  1. 12th April 2014, 01:54 PM #1
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    madrangie
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    D2 4.0 ecu fault help

    A friend of mine just replaced his head gaskets all good no drama's decided to move the car without the alternator connected and with a flat battery (he jump started it) normally the car won't ran but as he did it on LP Gas no issues moved the car. Then reconnected everything and now has ECU issues.

    On the computer everything is fine no fault codes showing up but it is like it is in limp mode, suck in 3rd (auto) and sounds like has a miss fire and lack of power. We have tried resetting the ecu by discharging the loom (disconnect battery and joining the the + with - for 5 minutes then letting it sit for 10 minutes).

    Has anyone heard of this before ?
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  2. 15th April 2014, 05:56 AM #2
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    James445F
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    Check the Airflow sensors, grounding strap/wires, lower intake manifold air leak ?

    Did you bump this sensor that mounted on the firewall ? ImageUploadedByAULRO1397508983.159955.jpg
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  3. 15th April 2014, 04:08 PM #3
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    madrangie
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    Knowing the mate he most likely bumped or hit that, what sensor is it ?
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  4. 15th April 2014, 04:59 PM #4
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    James445F
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    I'm not sure but I had ECU similar troubles after my rebuild, the engine wouldn't start at all...

    The sensor is mounted passenger side on firewall has a cap on it, take it off and check the switch inside if that don't work It could be many things.
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