Where To Buy The Oxygen Sensor And Save

If you find, after testing the downstream oxygen sensor that its heater element is fried, take a look at the links below. I think they'll save you some bucks (especially if you want to buy the original AC DELCO downstream O2 sensor):

NOTE: If you're not sure if the above downstream O2 sensor fits your particular 3.8L V6 equipped GM car don't worry, once you get to the site, they'll make sure the sensor switch is the left one, if not, they'll find you the left one.

More 3.8L GM Diagnostic Tutorials

You can find a complete list of 3.8L GM tutorials in the following 2 indexes:

  1. GM 3.8L Index of Articles.
  2. GM 3.8L Index of Articles (at troubleshootmyvehicle.com).

Here's a small sample of the tutorials you'll find in the indexes:

  1. GM 3.8L Ignition Control Module and Crank (3X, 18X) Sensor Test .
  2. How To Test The Ignition Coil Pack -Misfire Troubleshooting Tests (GM 3.8L).
  3. How To Test The GM 3.8L Throttle Position Sensor (TPS).
  4. How To Test The 3.8L GM Cam Sensor (P0341) (at: troubleshootmyvehicle.com).
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