LEMON Manuals
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Suzuki
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2007
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XL7 Base, AWD
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Repair and Diagnosis
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Engine General Information And Diagnosis
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DTC P0642 or P0643
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Diagnostic Aids
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Diagnostic Aids
The 5-volt reference 1 circuit provides 5 volts to the following sensors:
The fuel tank pressure (FTP) sensor
The engine oil pressure (EOP) sensor