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P1123 Diagnostic Trouble Code Discussion for January 2009

Throttle Position 'A' Signal In Range (But Lower Than Expected)

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Trouble Ticket Help Requests for DTC P1123
Help Request Posted
2000 Hyundai Accent GL 1.5L MIL Lamp on VIN: KMHCG45G4Y
P1123: Fuel Trim Adaptive Air System Too Rich. ... p1128 intermittent, replaced maf sensor cleared codes, customer back 1 week later with p1123 and p1128 i thought it was strange to have both system rich and system lean. cleared codes sent customer on his way. thought ma...
January 27, 2009