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Ambient Air Quality Sensor - Audi (4H0-907-658-C)
- 4H0-907-658-C
- MSRP: $156.05
- Discount: $43.69 (28% off)
- Sale Price: $112.36
- MSRP: $156.05
Review Fitment & Product Details
Details
- Brand:
- SKU:
4H0-907-658-C
- Positions: Front, Front Upper
- Other Names:
Cabin Air Temperature Sensor, Humidity Sensor, Air Quality Sens, Sensor
- Description:
This factory Audi Ambient Air Quality Sensor (4H0-907-658-C) converts a physical condition into a signal the engine control module uses to set fueling and timing, so a drifting sensor degrades performance long before it triggers a hard fault. Ordering genuine avoids the fit and durability compromises that come with aftermarket substitutes. Check the applications list or supply your VIN to confirm this part fits your vehicle.
- Replaces:
4H0907658A
California Proposition 65
WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov Pricing is valid online only and may vary in your local store
Vehicle Fitment
Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
Key Product Information
Additional Information
| SYMPTOMS | What to look for before replacing this sensor (4H0-907-658-C): a check engine lamp, rough running or hesitation, poor fuel economy, hard starting, or a fault that appears only at specific temperatures or loads. Confirm the complaint against the vehicle identification number and option content before ordering. |
| TROUBLESHOOTING | Diagnosis on vehicles using 4H0-907-658-C should start here: compare the sensor's live value against a known good reference at the same conditions rather than trusting the code alone, and check wiring and connector integrity before condemning the sensor. Document the readings before and after the repair so the fix can be verified. |
| INSTALLATION | Installing 4H0-907-658-C correctly calls for careful handling of the sensing element, correct torque, and routing the harness clear of heat sources and moving components. Follow the Audi repair manual procedure and torque specifications for the specific model and year. |
| MAINTENANCE | Ongoing maintenance where 4H0-907-658-C is fitted requires no scheduled service, but keeping the intake and connectors clean and dry extends sensor life considerably. A short inspection at each service keeps small issues from becoming large ones. |
| GENERAL_NOTES | Before purchasing 4H0-907-658-C, note that some sensors require an adaptation or basic setting procedure with a scan tool after installation before the module will use the new signal correctly. Genuine Audi parts are built to the original specification, so fit, finish, and function match the factory component. |
| REPLACEMENTS | Associated components for the 4H0-907-658-C repair: sealing washers, O-rings, and damaged connector pins are addressed at the same time to keep the signal circuit clean. Replacing wear items together restores the assembly to its original condition. |
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