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Home >> Oldsmobile >> 1989 >> Cutlass Calais Base, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> 2.3L PFI Tests W/Codes >> Diagnosis & Testing >> Code 33, Map Sensor Signal Volt Hi >> Notes

Code 33, Map Sensor Signal Volt Hi: Notes

NOTE: Test numbers refer to test numbers on diagnostic chart.
  1. The following conditions must be met to set a Code 33:
    • MAP signal greater than 80 kPa.
    • TPS reading below 12 percent.
    • VSS reading below one MPH.
    • Above conditions met for 5 seconds.
  2. With MAP sensor unplugged, ECM terminal "YD15" voltage should be low if ECM and wiring are okay.