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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 161 (ENGINE CONTROLS - SELF-DIAGNOSTICS - 3.0L)DIAGNOSTIC TESTSDTC P0121: TP SENSOR NO. 1 CIRCUIT PERFORMANCEDTC PARAMETERS
1998 Chevrolet Suburban K2500, 7.4 J, Part Time

DTC Parameters

1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION DTC Parameters
WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  • Engine speed is more than 480 RPM.
  • Main relay voltage is more than 8 volts.
  • No other TP sensor DTCs have been set.

TP sensor No. 1 and TP sensor No. 2 voltages are out of correlation by greater than 6.25 percent for more than 140 milliseconds, while TP sensor voltage differ with MAF sensor voltage by greater than 9 percent for more than 400 milliseconds.

RENDER: 1.0x

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