The Walker Products Fuel Injection Idle Air Control Valve (part number 215-91012) is a direct-fit replacement for 1988-1993 Buick, Oldsmobile, and Pontiac vehicles with 3.3L and 3.8L engines. Walker Products Idle Air Control Valves are OE Replacement components that regulate idle airflow for smooth engine performance and improved drivability.
Features:
- OE Replacement Calibration:Â Matches factory specifications for pintle movement, voltage response, and idle airflow control logic.
- Exact OE Fit: Installs directly into the throttle body using factory connectors and mounting points—no wiring or modifications required.
- Restores Idle Stability:Â Eliminates rough idle, stalling, and hard starting caused by faulty or sticking IAC valves.
- Controls Idle Airflow:Â Regulates bypass air around the throttle plate for stable idle and smooth engine operation during warm-up and load changes.
- Built for Long-Term Reliability:Â Designed with precision components and sealed housings to withstand heat, vibration, and fuel vapor exposure.
Specifications:
| Number of Terminals | 4 |
| Connector Type | Blade |
| Connector Gender | Male |
Fits: 1988-1993 Buick, Oldsmobile, and Pontiac models including Century, Electra, LeSabre, Reatta, Riviera, Skylark, 98, Achieva and more — 3.3L and 3.8L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Interchanges With: KEM 150-111, Forecast IAC11, Forecast ISC11, Duralast AC109DG, Tomco Products 8446, Wells AC109DG, Wells AC109, Carquest 73-4309 and 8 more
WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
