VOLVO 1389557 Turbo Regina Idle Control Valve 89-92 740 940

( Brand: Volvo ), ( Manufacturer Part Number: 1389557 ), ( Part Type: Control Valve ), ( Interchange: 89 90 91 92 Volvo 740 92 93 94 95 940 ), ( Location: C57 ), ( Unit Type: Unit ), ( Country Of Origin: Germany )

Review VOLVO Non turbo Regina System Idle Control Valve 89-92 740

The **Volvo 1389557 Non-Turbo Regina Idle Control Valve** is a precision-engineered component designed specifically for Volvo s 2.3L and 2.4L inline-five (M51 and M54) engines, serving as a critical element in maintaining optimal idle performance and fuel efficiency across a range of models, including the **1989 1992 740 Series** and the **1992 1995 940 Series**. This idle control valve operates as part of the engine s electronic fuel injection (EFI) system, regulating the airflow into the intake manifold during idle conditions to ensure smooth operation, prevent stalling, and minimize emissions. Crafted from high-quality materials, the valve features a durable stainless steel or reinforced plastic housing, paired with a responsive solenoid mechanism that adjusts airflow dynamically based on engine temperature, load, and throttle position. The internal design incorporates a precision-machined needle or flap mechanism that modulates intake airflow with minimal resistance, reducing wear and ensuring longevity. This component is particularly vital for vehicles equipped with the **Regina fuel injection system**, as it compensates for variations in engine load, such as when accessories like the air conditioning or radio are engaged, thereby preventing erratic idling and maintaining consistent RPMs. Replacement of this valve is often recommended when symptoms such as rough idling, excessive RPM fluctuations, or difficulty starting at cold temperatures arise, as these issues can stem from a failing solenoid or clogged internal passages. The **1389557** is a direct-fit OEM replacement, ensuring compatibility with Volvo s strict engineering standards and designed to restore factory-like performance. Whether addressing a new installation or a routine maintenance upgrade, this idle control valve is an essential part of preserving the reliability and drivability of your Volvo, aligning seamlessly with the brand s reputation for precision engineering and durability.

### **Pros and Cons of buying a Volvo 1389557 Non-Turbo Regina Idle Control Valve (for 1989-1992 740, 1992-1995 940)**

1. **Direct Compatibility** This part is specifically designed for the mentioned Volvo models, ensuring a proper fit without modifications.

2. **Common Issue Fix** The idle control valve is a known failure point in these engines, and replacing it often resolves rough idling, stalling, or poor cold-start performance.

3. **Cost-Effective Repair** Compared to engine rebuilds or replacements, this is a relatively inexpensive fix, typically under $100 (parts only).

4. **Easy Installation** The valve is accessible and can be replaced with basic tools, making it a DIY-friendly repair for those with mechanical experience.

5. **Prevents Further Damage** A failing idle control valve can cause prolonged engine stress, so replacing it early avoids more extensive (and costly) repairs.

6. **Aftermarket Availability** While OEM parts are available, aftermarket equivalents (like those from **Magnaflow, Delphi, or Bosch**) are often cheaper and just as reliable.

7. **Improves Drivability** A functioning idle control valve ensures smoother idling, better throttle response, and fewer stalling incidents.

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1. **Potential Counterfeit Parts** If purchasing from an unknown seller (especially online), there s a risk of receiving a fake or low-quality part that fails quickly.

2. **Additional Diagnostics May Be Needed** If the issue persists after replacement, other problems (faulty sensors, vacuum leaks, or fuel system issues) may still exist.

3. **Labor Costs if Professional Installation** While DIY is possible, if hiring a mechanic, labor fees ( $100 $200) could double the total cost.

4. **Wear on Related Components** If the valve was failing for an extended period, other parts (like the throttle body or EGR system) may also need attention.

5. **Mismatched Part Numbers** Some sellers may list this part for multiple years, so verifying the exact model year and engine variant (e.g., B230F vs. B230F2) is crucial to avoid wrong-order risks.

6. **Electrical or Sensor Issues** If the valve s wiring harness or related sensors (like the idle air control sensor) are damaged, the problem may recur without addressing those.

7. **Limited Longevity in Some Cases** While the valve itself is durable, if the engine has other underlying issues (e.g., carbon buildup in the throttle body), the valve may need replacement sooner than expected.

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The **Volvo 1389557 Non-Turbo Regina Idle Control Valve** is a **highly recommended replacement** for the specified models if the symptoms (rough idling, stalling, or poor cold starts) are confirmed to be valve-related. The part is **affordable, easy to install, and widely available**, making it a practical fix for a common failure. However, **buyers should ensure they purchase from a reputable source** (preferably an authorized dealer or trusted online retailer) to avoid counterfeit parts.

**If the issue persists after replacement**, further diagnostics (vacuum leaks, fuel pressure, sensor checks) are necessary. For those comfortable with basic engine work, **DIY installation is strongly advised** to save on labor costs.

- **Buy from a trusted supplier** (e.g., **RockAuto, eBay verified sellers, or a local Volvo specialist**).

- **Verify the exact part number and engine variant** before purchasing.

- **Inspect the throttle body and related components** during installation for any signs of wear or carbon buildup.

- **Consider an aftermarket equivalent** (e.g., **Magnaflow 1389557**) if OEM pricing is prohibitive, as they are often just as reliable.

- **If unsure about installation**, consult a mechanic for professional replacement ( $150 $250 total).

This repair is **one of the most cost-effective ways to restore proper idle performance** in these Volvo engines, making it a **strongly recommended fix** for the described symptoms.

Details:

Non-Turbo Regina System Idle Control Valve 1389557 for 89-92 Volvo 740 92-95 940, LOCATION C57.

part #: 1389557 prices

• $149.25-$280.20

specifications valvesplumbing:

• brand: Volvo
• mpn: 1389557
• part type: Control Valve
• interchange: 89 90 91 92 Volvo 740 92 93 94 95 940
• location: C57
• unit type: Unit
• country of origin: Germany

shipping valvesplumbing:

• transit: 5-9 Days
• service: USPS Ground Advantage
• cost: $0.00
• type: Calculated
• class: Standard
• carrier: USPS

offer valvesplumbing:

• best offers: True
• options: Ship-to-home
• availability: In Stock
• started: February 26, 2026
• quantity: 1
• sold: 0

returns valvesplumbing:

• method: Money back
• policy: Returns Accepted
• time: 60 Days
• paid by: Buyer

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seller valvesplumbing:

• city: Columbus, Ohio
• # reviews: 800
• rating: 96.5%

general valvesplumbing:

• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds
• condition: Used