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Honda
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1999
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Civic HX Coupe L4-1590cc 1.6L SOHC (VTEC-E) MFI
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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P Code Charts
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P1121
P1121
The scan tool indicates Diagnostic Trouble Code (DTC) P1121:
Throttle Position (TP) lower than expected.
