P1121 Diagnostic Trouble Code Discussion for September 2012
Electronic Throttle Control Actuator Malfunction
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| Help Request | Posted | |
| 2004 Kia Rio 1.6L Poor Idle Quality, Hesitation, MIL Lamp on VIN: KNADC12504 P1121: Throttle Position Signal Circuit Malfunction. I'm getting some weird readings on my Genisys on this vehicle. MAF is reading 138.9 g/s at 125v-131v, however testing the MAF with a multimeter it tested .5v at idle and around 4.4 at about 3500rpm. We also tested the TPS with a multimeter and read fine as wel... |
September 20, 2012 |
