02 sensor
#2
Registered User
You're rig has 2. Parts stores list 3 depending on the model. 49 state legal federal models use the same sensor in the upstream and downstream location. California models use 2 different sensors for upstream versus downstream.
Is you truck a Cali model or federal?
Is you truck a Cali model or federal?
#7
Registered User
Look for Engine Family in top left corner.
Under there it will say something like: SFI, HOS(2), TWC if it is a 49-state/Federal or SFI, A/F, TWC(2), HOS if it is a Cali. Ignore all the rest of the verbiage.
TWC means Three-Way Converter and TWC(2) means you have two. HOS is Heated Oxygen Sensor. Cali's have one and Feds have two.
Last edited by TheDurk; 08-24-2016 at 10:45 AM.
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