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fuel pump(Code 43)

499 Views 0 Replies 1 Participant Last post by  b18GSRZ
i have code 43 (Fuel Supply System defective or malfunctioning fuel supply system). My car starts fine but sometimes when i hit the gas hard, it back fires. How can you test to see if the fuel pump is bad?? If you have a bad fuel pump, will it backfire the car??
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