Emission Control Systems: Application and ID

1992 Chevrolet Lumina V6-204 3.4L DOHCSECTION Application and ID

Engine 3.4L (204 cid)



Fuel System Multi-Port Fuel Injection (MPFI)



DEVICES & SYSTEMS

AIR (w/manual trans only) Secondary Air Injection
CAT Three Way Catalyst
CEC Computerized Engine Control
CEL Check Engine Light
EGR Digital Exhaust Gas Recirculation
EVAP Evaporative Emission Control
FR Fuel Pipe Restrictor
OXY Oxygen Sensor
PCV Positive Crankcase Ventilation
SPK [1] DIS; EST; ESC.

[1] 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.