96 SC300 p1200

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02-23-21, 05:53 PM

Allen1114

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96 SC300 p1200

I have code P1200 injector control circuit and fuel pump replay circuit malfunction,but I dont where to start to diagnose the problem

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02-24-21, 06:24 AM

scsexy

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Quote:

Originally Posted by Allen1114

I have code P1200 injector control circuit and fuel pump replay circuit malfunction,but I dont where to start to diagnose the problem

Probably a bad ECU. disconnect the battery and remove the ECU located on the passenger floor board. Remove the cover and look inside for any corrosion

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02-24-21, 08:19 AM

Allen1114

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I did check the ECU but I didnt see anything corroded or capacitor leaking

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03-02-21, 12:45 PM

Allen1114

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I check the ECU i didnt see anything wrong with it

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