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Hi, I have a I believe p28 S300 ecu. It worked fine just yesterday but I come to start my car and I get hit with a cel and no fuel pump prime. So I jumped the fuel pump and it fired right up no issue. What could be the cause of this what can I do to fix it?
Your fuel pump circuit is damaged... to start, you need to have your capacitors replaced right away. This MAY fix things, but it may not. You may have other problems within the fuel pump circuit that will require additional repair.
Your fuel pump circuit is damaged... to start, you need to have your capacitors replaced right away. This MAY fix things, but it may not. You may have other problems within the fuel pump circuit that will require additional repair.
as for the circuit you mean the one in the ecu itself or my actual car?
S300, CEL no fuel prime.
