Emission System Application Chart

1997 Oldsmobile LSS V6-3.8L VIN KSECTION Emission System Application Chart
EMISSIONS CERTIFICATION OBD II

ENGINE 3.8L (231 cid)

FUEL SYSTEM Sequential Fuel Injection (SFI)

DEVICES & SYSTEMS

EGR [1] Exhaust Gas Recirculation
EVAP Evaporative Emission Control
FR Fuel Pipe Restrictor
HO2S (4) Heated Oxygen Sensors
MIL Malfunction Indicator Lamp
[1][2]PCV Positive Crankcase Ventilation
PCM Powertrain Control Module
SPK [2] DIS; EST; ESC.
TWC Three-way Catalytic Converter

[1] Linear electrically operated EGR valve.
[2] Distributorless Ignition System; Electronic Spark Timing; Electronic Spark Control (knock sensor).
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.