When did I install the catalytic converter on my GMC Truck?

I installed them in 2000 IIRC and they stood up to 10 years of daily driving even in teh Canadian Winters with lots of salt. They are ugly now, but they dint rust through. I used to run Hedman non coated headers and every Spring I required a new set due to rust through of the the primaries.

Do you need a heated O2 sensor for a TBI?

Now when you do open up that exhaust with true duals, you need to look into doing a 3 wire heated o2 sensor conversion to keep the o2 sensor good and hot so that it reads accurately and gives you better fuel mileage. ignition. People either skip this entirely, or skimp on the parts used or go crazy. TBI is a simple injection system.

Is the OBD1 system compatible with the ECM system?

You will be fine so far as the ECM and OBD1 system. The only issue in your truck is that there is a Y pipe that connects both banks of the engine and moves it over to the passenger side.

How does the O2 sensor in a car work?

The O2 sensor in your vehicle monitors the exhaust gases coming out of the engine. It determines the amount of oxygen in the gases, which indicates how well the fuel is being burned. The O2 sensor then sends information to the electronic control unit, or ECU, the vehicle’s computer.

When to reset the ECU after changing an O2 sensor?

Sometimes an O2 sensor fails, and you need to replace it. Once you’ve replaced your vehicle’s O2 sensor, you’ll need to reset the ECU so it can properly gather information from the new O2 sensor.

Do you need to disconnect battery when replacing O2 sensor?

No, there is no need to disconnect the battery when replacing O2 sensors.

What are the symptoms of an O2 sensor failure?

(O2) Oxygen Sensor, Failure Symptoms: 1 Poor gas mileage. 2 Loss of power. 3 Black smoke from tailpipe. 4 Emissions test failure. 5 Rough idle. 6 Hesitation or stalling. 7 Check engine light comes on.