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P0121 Saturn Sky I

Testing & Diagnostics
  1. The TP sensor 1 disagrees more than 6.3 percent from TP sensor 2 for over 140 ms.
  2. The TP sensor 1 disagrees more than 9 percent from the throttle position calculated from mass air flow (MAF) signal for over 280 ms.

More articles — Engine Controls & Fuel - 2.0L - DTC P0010 to P0304