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  3. STANDARD PRODUCTS 21VZTMQ94

STANDARD MOTOR PRODUCTS 21VZTMQ94 Accelerator Pedal Sensor Smp

fits model: Marquis, Grand. make: Mercury. year: 2007–2008.

21vztmq94 Standard Motor Products Accelerator Pedal Sensor Smp For Mercury Grand Marquis 2007 2008

( Brand: Standard Motor Products ), ( Manufacturer Part Number: 21VZTMQ94 ), ( Type: Accelerator Pedal Sensor ), ( Fit Note: Accelerator Pedal Sensor With Power Adjustable Pedals ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review STANDARD MOTOR PRODUCTS Accelerator Pedal Sensor Smp Mercury fits MARQUIS GRAND 2007–2008

The **Standard Motor 21VZTMQ94 Accelerator Pedal Sensor (APS) for Mercury Marquis (2007 2008)** is a precision-engineered electronic component designed to seamlessly integrate with your vehicle s throttle control system, ensuring optimal performance and reliability. This high-quality accelerator pedal sensor is specifically tailored to match the exact specifications of your 2007 or 2008 Mercury Marquis, making it a direct replacement for the original equipment manufacturer (OEM) part. Crafted with durable materials and advanced manufacturing techniques, the sensor features a robust construction that resists wear, corrosion, and environmental factors, guaranteeing long-lasting functionality even under demanding driving conditions.

At its core, the 21VZTMQ94 Accelerator Pedal Sensor operates as a critical interface between the driver s input and the vehicle s engine control unit (ECU), translating pedal position into precise electrical signals. These signals are then processed by the ECU to regulate throttle response, fuel injection, and overall engine performance, ensuring smooth acceleration, efficient fuel consumption, and reduced emissions. The sensor incorporates a reliable potentiometer mechanism, which provides accurate and consistent feedback to the ECU, eliminating common issues such as erratic throttle behavior, stalling, or hesitation during acceleration.

Installation of the Standard Motor Accelerator Pedal Sensor is straightforward, thanks to its universal compatibility and straightforward design. The sensor is engineered to fit snugly into the throttle body or pedal assembly of your Mercury Marquis, requiring minimal adjustments or modifications. Whether you're addressing a malfunctioning original sensor, upgrading for enhanced performance, or replacing a failed component, this sensor delivers a hassle-free solution that restores your vehicle s throttle responsiveness with ease. Its compatibility extends beyond basic functionality, as it is designed to work harmoniously with modern engine management systems, ensuring seamless integration and trouble-free operation.

For drivers seeking a dependable and cost-effective solution to throttle-related issues, the Standard Motor 21VZTMQ94 Accelerator Pedal Sensor stands out as a superior choice. Backed by the reputation of Standard Motor for delivering high-quality automotive parts, this sensor offers both performance and durability, helping you maintain the reliability of your Mercury Marquis. Whether you're tackling a diagnostic code related to throttle position or simply looking to preemptively replace a worn-out sensor, this component provides the precision and reliability needed to keep your vehicle running at its best. With its straightforward installation and long-term performance, it is an essential upgrade for any owner prioritizing smooth operation and engine efficiency.

### **Pros and Cons of buying a Standard Motor 21VZTMQ94 Accelerator Pedal Sensor (SMP) for a 2007-2008 Mercury Marquis**

#### **Pros:**

1. **Compatibility** This part is specifically designed for the 2007 and 2008 Mercury Marquis, ensuring a proper fit without modifications. It should integrate seamlessly with the vehicle s throttle control system.

2. **Quality Construction** Standard Motor is a reputable manufacturer known for producing reliable automotive sensors. The accelerator pedal sensor is built to withstand normal wear and tear, reducing the risk of premature failure.

3. **Easy Installation** The sensor is designed for straightforward replacement, typically requiring only basic tools. Many users report that it can be installed in under an hour with minimal mechanical experience.

4. **Improved Throttle Response** A faulty accelerator pedal sensor can cause erratic throttle behavior, stalling, or poor acceleration. Replacing it with a new, functioning unit should restore smooth and responsive throttle control.

5. **Prevents Further Damage** A failing sensor may force the vehicle s engine control module (ECM) into limp mode, protecting the engine but causing drivability issues. Replacing it early can prevent unnecessary stress on other components.

6. **Warranty Coverage** Standard Motor parts often come with a warranty (typically 1-2 years), providing peace of mind in case of defects.

7. **Cost-Effective Solution** Replacing a faulty sensor is far cheaper than dealing with engine damage or transmission issues that can arise from prolonged throttle control problems.

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#### **Cons:**

1. **Potential Counterfeit Concerns** Some aftermarket parts, including sensors, may be counterfeit or low-quality knockoffs. Purchasing from an untrusted seller could result in a defective or incompatible part.

2. **Mismatched Calibration** While this sensor is designed for the Marquis, improper installation or a mismatch with the vehicle s ECM software could lead to calibration issues, requiring a scan tool reset.

3. **Additional Costs** If the sensor is part of a larger issue (e.g., wiring problems, a faulty throttle body, or ECM glitches), simply replacing the sensor may not fully resolve the problem, leading to extra diagnostic or repair expenses.

4. **Skill Dependency** While installation is generally straightforward, those unfamiliar with automotive electrical systems may struggle with wiring connections or sensor mounting, potentially leading to installation errors.

5. **Limited Availability** Depending on the region, this specific part may not be readily available at all auto parts stores, requiring an online purchase, which could introduce shipping delays.

6. **Possible Compatibility Quirks** Some vehicles with modified or aftermarket throttle systems (e.g., performance chips) may experience minor compatibility issues, though this is rare for stock applications.

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### **Conclusion**

The **Standard Motor 21VZTMQ94 accelerator pedal sensor** is a solid choice for restoring proper throttle function in a 2007-2008 Mercury Marquis. Its compatibility, reliability, and ease of installation make it a practical solution for most drivers encountering sensor-related issues. However, buyers should ensure they purchase from a trusted source to avoid counterfeit parts and verify that no underlying electrical or ECM problems exist before installation.

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### **Recommendation**

If your Mercury Marquis is experiencing **erratic throttle response, stalling, or check engine lights (P0120, P0121, P0122, or P0123 codes)**, this sensor is a worthwhile replacement. Here s how to proceed:

1. **Verify the Issue** Use an OBD-II scanner to confirm the fault is related to the accelerator pedal sensor (codes P0120-P0123). If other codes (e.g., fuel system or transmission-related) are present, address those first.

2. **Purchase from a Reputable Source** Buy directly from **Standard Motor s official website, Amazon (with verified seller reviews), or a trusted auto parts retailer** (e.g., RockAuto, AutoZone, or local dealership parts department) to avoid counterfeit parts.

3. **Prepare for Installation**

- Have basic tools (screwdrivers, wire strippers, electrical tape) ready.

- Disconnect the battery before starting to prevent electrical shorts.

- Follow the vehicle s wiring diagram or the sensor s installation instructions carefully.

4. **Test After Installation**

- Clear the check engine light with an OBD-II scanner.

- Test drive the vehicle to ensure smooth throttle response and no recurring issues.

- If problems persist, check for loose connections, wiring damage, or ECM calibration needs.

5. **Consider Professional Help if Needed** If you re uncomfortable with electrical work or the issue recurs, consult a mechanic to diagnose whether other components (e.g., throttle body, wiring harness) are at fault.

**Final Verdict:** This sensor is a **reliable and cost-effective fix** for most throttle-related symptoms in your Marquis, provided you source it correctly and address any underlying issues. For most DIYers, it s a straightforward upgrade with a high success rate.

Details:

Designed and tested to match OE Standards for signal accuracy. Easy plug-in feature for hassle free installation. Detailed Applications Vehicle, 2007 - 2008 Mercury Grand Marquis. Accelerator Pedal Sensor SMP 21VZTMQ94 for Mercury Grand Marquis 2007 2008: Brand: Standard Motor Products condition: New, Notes with power adjustable pedals Features: Delivers factory-accurate pedal position data to the ECU, ensuring precise throttle control across all driving conditions.

Product Specifications Connector Quantity:1, Terminal Quantity:7. Rigorous end-of-line testing validates and ensures precise voltage s for optimal performance reliable, trouble-free operation. Engineered specifically to integrate with the electronic throttle control system of Ford vehicles.

part #: 21vztmq94 price

  • $165.10

specifications pedalspadsaz:

  • for models: Marquis, Grand
  • for makes: Mercury
  • for years: 2007-2008
  • brand: Standard Motor Products
  • mpn: 21vztmq94
  • type: Accelerator Pedal Sensor
  • fit note: Accelerator Pedal Sensor With Power Adjustable Pedals
  • manufacturer warranty: 12 Month Warranty
  • attention: Please Read All Notes To Confirm Fitment
  • cs-sku: 400

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  • # reviews: 57827
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  • availability: In Stock
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  • quantity: 1
  • started: May 7, 2026
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general pedalspadsaz:

  • condition: New
  • Car Truck Parts Accessories > Interior Parts Accessories > Pedal Assemblies, Pads Parts

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for models: marquis, grand, for makes: mercury, for years: 2007-2008, type: accelerator pedal sensor, fit note: accelerator pedal sensor with power adjustable pedals, manufacturer warranty: 12 month warranty, attention: please read all notes to confirm fitment, cs-sku: 400,
category: auto parts > car truck parts accessories > interior parts accessories > pedal assemblies, pads parts, sku: 28548143502952602,
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  • New. Offer #1 priced at $165.10 + $0.00 shipping estimate = $165.10* total. Detailed Applications. Notes Accelerator Pedal Sensor -- with power adjustable pedals.FREE SHIPPING

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