If your vehicle is listed on the fitment table below, the product will fit your car - we guarantee it. All you need to do is to ensure that the vehicle's Year, Make, Model, Trim, and any other notes specified inside the fitment table are respected.
Included warranty:
For warranty coverage information, please see our
Warranty Policy.
Walker Products Fuel Injection Idle Air Control (IAC) Valves are OE Replacement components that regulate the amount of air bypassing the throttle plate to maintain stable engine idle under varying conditions. Controlled by the engine control unit (ECU), the IAC valve adjusts airflow during engine warm-up, load changes (like A/C or power steering use), and deceleration to ensure consistent idle speed and prevent stalling. Each Walker IAC Valve is engineered to match OE specifications for pintle shape, stepper motor response, voltage range, and airflow control curves. Constructed with high-temperature-resistant materials and sealed against fuel vapors and moisture, these valves are built to withstand the harsh environment of the engine bay. Designed for an exact OE fit, they install directly into the original throttle body or intake housing and connect seamlessly with the factory wiring harness. Symptoms of a failing IAC valve may include erratic idle speed, stalling, hard starting, or illuminated check engine lights. Whether addressing drivability issues or performing a routine fuel injection system service, Walker IAC Valves provide precise idle control, improved cold-start performance, and restored engine stability across a wide range of domestic and import applications.
Characteristics include:
Built for Long-Term Reliability: Designed with precision components and sealed housings to withstand heat, vibration, and fuel vapor exposure.
Exact OE Fit: Installs directly into the throttle body using factory connectors and mounting points—no wiring or modifications required.
Restores Idle Stability: Eliminates rough idle, stalling, and hard starting caused by faulty or sticking IAC valves.
OE Replacement Calibration: Matches factory specifications for pintle movement, voltage response, and idle airflow control logic.
Controls Idle Airflow: Regulates bypass air around the throttle plate for stable idle and smooth engine operation during warm-up and load changes.
Watch genuine customer videos showing their upgrades and honest results of similar products
Fitment Table
This product is compatible with these vehicles:
Year
Make
Model
Notes
Position
2003
Chevrolet
S10
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
2003
GMC
Sonoma
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
2002
Chevrolet
Cavalier
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
2002
Chevrolet
Cavalier
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
2002
Chevrolet
S10
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
Engine VIN code 5
2002
GMC
Sonoma
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
2002
Pontiac
Sunfire
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
2002
Pontiac
Sunfire
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
2001
Chevrolet
Cavalier
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
2001
Chevrolet
Cavalier
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
2001
Chevrolet
S10
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
Engine VIN code 5
2001
GMC
Sonoma
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
2001
Pontiac
Grand Am
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
2001
Pontiac
Sunfire
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
2001
Pontiac
Sunfire
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
2000
Chevrolet
Cavalier
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
2000
Chevrolet
Cavalier
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
2000
Chevrolet
S10
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
2000
GMC
Sonoma
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
2000
Isuzu
Hombre
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
2000
Pontiac
Grand Am
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
2000
Pontiac
Sunfire
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
2000
Pontiac
Sunfire
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1999
Chevrolet
Cavalier
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
1999
Chevrolet
Cavalier
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1999
Chevrolet
Malibu
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1999
Chevrolet
S10
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
1999
GMC
Sonoma
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
1999
Isuzu
Hombre
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
1999
Pontiac
Grand Am
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1999
Pontiac
Sunfire
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
1999
Pontiac
Sunfire
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1998
Buick
Skylark
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1998
Chevrolet
Cavalier
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
1998
Chevrolet
Cavalier
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1998
Chevrolet
Malibu
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1998
Chevrolet
S10
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
1998
GMC
Sonoma
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
1998
Isuzu
Hombre
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
1998
Pontiac
Grand Am
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1998
Pontiac
Sunfire
2.2L
Inline engine
4 cylinders
3.50" bore
3.46" stroke
1998
Pontiac
Sunfire
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
Engine VIN code T
1997
Buick
Skylark
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1997
Chevrolet
Cavalier
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1997
Chevrolet
Malibu
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1997
Pontiac
Grand Am
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1997
Pontiac
Sunfire
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1996
Buick
Skylark
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1996
Chevrolet
Cavalier
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1996
Pontiac
Grand Am
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1996
Pontiac
Sunfire
2.4L
Inline engine
4 cylinders
3.54" bore
3.70" stroke
1995
Buick
Skylark
2.3L
Inline engine
4 cylinders
3.62" bore
3.35" stroke
1995
Chevrolet
Cavalier
2.3L
Inline engine
4 cylinders
3.62" bore
3.35" stroke
1995
Pontiac
Grand Am
2.3L
Inline engine
4 cylinders
3.62" bore
3.35" stroke
1995
Pontiac
Sunfire
2.3L
Inline engine
4 cylinders
3.62" bore
3.35" stroke
1990
GMC
S15
High Sierra
2.5L
Inline engine
4 cylinders
4.00" bore
3.00" stroke
1990
GMC
S15
Sierra Classic
2.5L
Inline engine
4 cylinders
4.00" bore
3.00" stroke
See what other customers say:
Customer Reviews
Overall rating: 4.8 / 5 from 703 reviews.
You can’t beat their prices, nor can you beat the quality of the parts. The fit and finish was just like OEM. This is the second time I’ve gotten brakes from these guys and each time has been an absolute win. Thank you parts Pioneer.
This my second time buying from Partspionner.ca great parts quality parts fast shipping to your door no need to wait on parts counter for minutes save gas ;)
I had an excellent experience ordering from Parts Pioneer, my order was placed and shipped quickly and received. Excellent customer service, I will definitely use them again when needed and let many of my friends know about Part's Pioneer
The site was very easy to use. When I emailed with a question the response came quickly. I appreciated that you verified that the parts would fit my vehicle. I will use the site again.