12559850 - Pontiac Oxygen Sensor (Rear, Lower) | Mangino Buick GMC, Ballston Spa NY

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Oxygen Sensor (Rear, Lower)
This Fits Your Pontiac

Part Number: 12559850

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Sensor. Oxygen.
Oxygen Sensor. Heated (O2). Ft. Snsr.

Oxygen Sensor

Oxygen Sensor - Repair or Replace
A failed Oxygen Sensor will often have no noticeable symptoms beyond a check engine light, but it does cause your Pontiac to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Pontiac genuine parts.

EMISSION SYSTEM. EMISSION COMPONENTS.

Full Diagram

#12

At converter. At manifold. California emissions. Canister to fuel tnk. Canister to vent vlv. Front. Inlet. Large. Outlet. Post converter. Pre converter. Rear. Small.

at manifold. CALIFORNIA EMISSIONS.

EMISSION SYSTEM. EMISSION COMPONENTS.

Full Diagram

2. 2 liter. 2. 4 liter. 3. 4 liter. To converter. To manifold.

3.4 liter. to manifold.

EMISSION SYSTEM. EMISSION COMPONENTS.

Full Diagram

#12

at converter. at manifold. canister to fuel tnk. canister to vent vlv. FEDERAL EMISSIONS. front. post converter. pre converter. rear.

at manifold. FEDERAL EMISSIONS.

EMISSION SYSTEM. EMISSION COMPONENTS.

Full Diagram

at manifold. behind converter. California only. long wheelbase. standard wheelbase.

at manifold.

EMISSION SYSTEM. EMISSION COMPONENTS.

Full Diagram

3. 1 liter. 3. 8 liter. 3. 8L supercharged. ALL. At manifold. California. Egr valve & sensors. Federal. Post converter. W/GASKET. W/O gasket. W/O supercharger. W/SUPERCHARGER.

3.1 liter. at manifold. EGR VALVE & SENSORS.