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Ford（Lincoln, Mercury）

Ford builds vehicles that go the distance. We provide the aftermarket engine parts that help them get there. Our selection of fuel injectors, emission sensors, and ignition kits are engineered for high-durability, ensuring your Ford, Lincoln, or Mercury vehicle stays road-ready and efficient.

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FAQ & Support

🚦 1. Trouble Codes & Symptoms

Q1: My car shows codes like P0420 / P0171 / P0138. What do they mean?

These are common codes related to the fuel system or oxygen sensors:

P0420: Catalyst efficiency below threshold
P0171: System too lean
P0138: O2 sensor voltage high

They often indicate a worn oxygen sensor, exhaust leak, or ignition issue. If you're not sure, simply tell us your year, make, model, and engine—we'll check the exact part you need.

Q2: My engine shakes at idle. Is my ignition coil bad?

It's very possible. Common symptoms of a failing ignition coil include:

Rough idle or shaking
Hard cold starts
Poor acceleration
Higher fuel consumption
Misfire popping noise

Tell us your vehicle info—our team can help you identify the cause.

Q3: What are the symptoms of a bad oxygen sensor?

Typical signs include: Check Engine Light on, Increased fuel consumption, Poor acceleration, Strong fuel smell, and Slow throttle response.

Most sensors should be replaced every 80,000–100,000 km.

🔍 2. Fitment & Compatibility

Q4: How do I know which oxygen sensor fits my car?

Just provide: Year, Make, Model, and Engine size.

We'll confirm: Upstream or downstream, Correct connector, Proper reference number, and Federal vs. California emissions compatibility.

Q5: What's the difference between ignition coils?

High-quality aftermarket: Close to Standard but more affordable.

We only offer high-grade, reliable ignition coils.

Q6: How many oxygen sensors does my car have?

Most vehicles have 2–4 sensors (Upstream front and Downstream rear). We can confirm the exact number for your vehicle.

🛒 3. Buying, Quality & Concerns

Q7: Are cheap oxygen sensors reliable?

They work for a short time but usually cause issues like short lifespan, slow response, and frequent check engine lights.

We only sell new, high-quality, fully tested sensors.

Q8: How can I avoid buying a refurbished or used auto part?

Check for scratches on the connector, dirty wiring, or marks on threads.

Our parts are 100% brand new, never refurbished, and fully tested.

🧰 4. Installation & Usage

Q9: Can I install an oxygen sensor myself?

Yes. Difficulty: medium.

You'll need an O2 sensor socket, Anti-seize compound, and a Torque wrench. We recommend clearing fault codes with an OBD scanner after installation.

Q10: Do ignition coils need programming after replacement?

In most vehicles, no programming is required. Just swap the old coil with the new one.

💰 5. Value & Performance

Q11: Your parts cost less than Other accessories. Are they really reliable?

Yes—our parts use the same-grade materials and testing standards as suppliers. Because we don't go through dealer channels, the price is much more affordable.

About us

Since its inception, Automotive Leader has been guided by a simple mission: to provide high-performance aftermarket parts for automotive technicians and DIY enthusiasts.

The website is jointly operated by Trademark Name: Automotive-leader Store registered at Physical Address: Room 602, No. 152 Helong East Road, Helong Subdistrict, Baiyun District, Guangzhou City Postal Code: 510000 and Company name：BLUE STAR TRADING LIMITED registered at Company address：RM C，6/F，WORLD TRUST TOWER 50 STANLEY STREET CENTRAL HK

U.S. Address:
7600 LTC Parkway 34986
PORT SAINT LUCIE, FL - United States

whatsAPP Number: +86 18316212443

Email: support@automotive-leaderstore.com

Logistics Policy

1. U.S. Warehouse (Standard Option)
Handling time: 1-3 business days
Transit time (days): 3-6 business days via USPS/UPS/FedEx.

2. China Warehouse (Standard Option)
Handling time: 1-3 business days
Transit time (days): 14-22 business days via USPS/UPS/FedEx.

3.UK Warehouse (Standard Option)

Handling time: 1-3 business days.

Transit time (days): 3-7 business days via Royal Mail/UPS/FedEx/DPD.

4.Canada Warehouse (Standard Option)

Handling time: 1-3 business days.

Transit time (days): 3-7 business days via Canada Post/UPS/FedEx.

5.German Warehouse (Standard Option)

Handling time: 1-3 business days.

Transit time (days): 3-7 business days via DHL/UPS/FedEx/DPD.

Refund and Return Policy

30-Day Returns and Refunds / Return shipping is free（Due to a product issue）

We do not accept direct exchanges.

After receiving and inspecting your returned item, we will notify you whether your refund has been approved.

If approved, the refund will be processed back to your original payment method within 5 business days.

Please note that your bank or credit card company may also require additional time to process and reflect the refund.

If you have not received your refund within 10 business days after your return request has been approved, please contact us.

Contact: support@automotive-leaderstore.com

Account

Ford（Lincoln, Mercury）

Filters

4Pcs Air Fuel Ratio & O2 Sensor Set for Ford F-150 3.7L & Explorer 3.5L (2011-2015) | 234-5038 234-4490

Suitable for 4Pcs Fuel Injector Set for Ford Escape Fusion 1.5L EcoBoost | DS7Z9F593DA, FJ1235

Diesel Particulate Sensor for Ford F-250 F-350 Diesel (2015-2016) | GC3Z-5L239-A

2Pcs Air Fuel Ratio & O2 Sensor for Ford Edge Escape Explorer Focus 2.0L | 234-5097 234-4575

Upstream Air Fuel Ratio Sensor for Ford F-150 Escape Explorer Mustang | 234-5097

2Pcs Air Fuel Ratio & O2 Sensor for Ford Focus Fusion 1.6L 2.0L | 234-5113 234-4575

Suitable for 2Pcs O2 Sensor for Ford Fusion 1.5L Turbo (2014-2020) | 234-5172 234-8039

2Pcs Upstream Wideband O2 Sensor for Ford F-150 Explorer Mustang 3.5L 3.7L | BL3A-9Y460-CA

2Pcs O2 Sensor Set for Ford Focus 2.0L Non-Turbo (2012-2018) | 234-5068 234-4575

4Pcs O2 Sensor Set for Ford Edge & Mazda CX-9 3.5L 3.7L (2007-2009) | 234-4372 234-4610

4Pcs Air Fuel Ratio & O2 Sensor Set for Ford F-150 & E-Series 4.6L VIN W (2009-2014) | 234-5113 234-4127

4Pcs Oxygen Sensors for Ford E-150 F-150 Expedition Explorer (4.6L/5.4L) | 234-4401

Downstream Right Oxygen Sensor for Ford Mustang 5.0L Auto Trans (2018-2022) | JR3Z-9G444-A

Upstream Wideband Air Fuel Ratio Sensor for Ford Mustang Fusion Ranger (2017-2024) | 234-5753

Upstream Air Fuel Ratio Sensor for Ford GT F-150 Expedition Escape (2015-2023) | 234-5174, E1GZ9F472B

Upstream O2 Sensor for Audi Porsche VW Ford Lincoln | 234-5108

4Pcs Air Fuel Ratio & O2 Sensor Set for Ford Edge Escape Explorer Focus 2.0L EcoBoost | 234-5097 234-4575

8Pcs GDI Fuel Injector Set for Ford F-150 Mustang 5.0L V8 (2018-2022) | ML3E9G929BB

6Pcs Fuel Injector Set for Ford Expedition Transit Lincoln 3.5L V6 | FJ1138 BL3Z9F593A

4Pcs Fuel Injector for Mercury Outboard 40HP-60HP 2-Stroke Marine | 25335288 892123002

Suitable for Fuel Injector for Ford Escape Fusion 1.5L EcoBoost (2014-2020) | DS7Z9F593DA FJ1235

Suitable for Upstream O2 Sensor for Ford Escape 2.0L (2020-2023) | KX6Z9F472B, KX619Y460CA

Suitable for 2Pcs Downstream O2 Sensor for Ford F-150 Explorer Mustang Police | 234-4490

Upstream O2 Sensor for Ford Escape Fusion Mazda Tribute 2.5L (2010-2013) | 234-5039

Subscribe to our email list to receive a VIP discount

FAQ & Support

🚦 1. Trouble Codes & Symptoms

🔍 2. Fitment & Compatibility

🛒 3. Buying, Quality & Concerns

🧰 4. Installation & Usage

💰 5. Value & Performance

About us

Logistics Policy

Refund and Return Policy

Country/Region

Country/Region

Ford（Lincoln, Mercury）

Filters

4Pcs Air Fuel Ratio & O2 Sensor Set for Ford F-150 3.7L & Explorer 3.5L (2011-2015) | 234-5038 234-4490

Suitable for 4Pcs Fuel Injector Set for Ford Escape Fusion 1.5L EcoBoost | DS7Z9F593DA, FJ1235

Diesel Particulate Sensor for Ford F-250 F-350 Diesel (2015-2016) | GC3Z-5L239-A

2Pcs Air Fuel Ratio & O2 Sensor for Ford Edge Escape Explorer Focus 2.0L | 234-5097 234-4575

Upstream Air Fuel Ratio Sensor for Ford F-150 Escape Explorer Mustang | 234-5097

2Pcs Air Fuel Ratio & O2 Sensor for Ford Focus Fusion 1.6L 2.0L | 234-5113 234-4575

Suitable for 2Pcs O2 Sensor for Ford Fusion 1.5L Turbo (2014-2020) | 234-5172 234-8039

2Pcs Upstream Wideband O2 Sensor for Ford F-150 Explorer Mustang 3.5L 3.7L | BL3A-9Y460-CA

2Pcs O2 Sensor Set for Ford Focus 2.0L Non-Turbo (2012-2018) | 234-5068 234-4575

4Pcs O2 Sensor Set for Ford Edge & Mazda CX-9 3.5L 3.7L (2007-2009) | 234-4372 234-4610

4Pcs Air Fuel Ratio & O2 Sensor Set for Ford F-150 & E-Series 4.6L VIN W (2009-2014) | 234-5113 234-4127

4Pcs Oxygen Sensors for Ford E-150 F-150 Expedition Explorer (4.6L/5.4L) | 234-4401

Downstream Right Oxygen Sensor for Ford Mustang 5.0L Auto Trans (2018-2022) | JR3Z-9G444-A

Upstream Wideband Air Fuel Ratio Sensor for Ford Mustang Fusion Ranger (2017-2024) | 234-5753

Upstream Air Fuel Ratio Sensor for Ford GT F-150 Expedition Escape (2015-2023) | 234-5174, E1GZ9F472B

Upstream O2 Sensor for Audi Porsche VW Ford Lincoln | 234-5108

4Pcs Air Fuel Ratio & O2 Sensor Set for Ford Edge Escape Explorer Focus 2.0L EcoBoost | 234-5097 234-4575

8Pcs GDI Fuel Injector Set for Ford F-150 Mustang 5.0L V8 (2018-2022) | ML3E9G929BB

6Pcs Fuel Injector Set for Ford Expedition Transit Lincoln 3.5L V6 | FJ1138 BL3Z9F593A

4Pcs Fuel Injector for Mercury Outboard 40HP-60HP 2-Stroke Marine | 25335288 892123002

Suitable for Fuel Injector for Ford Escape Fusion 1.5L EcoBoost (2014-2020) | DS7Z9F593DA FJ1235

Suitable for Upstream O2 Sensor for Ford Escape 2.0L (2020-2023) | KX6Z9F472B, KX619Y460CA

Suitable for 2Pcs Downstream O2 Sensor for Ford F-150 Explorer Mustang Police | 234-4490

Upstream O2 Sensor for Ford Escape Fusion Mazda Tribute 2.5L (2010-2013) | 234-5039

Subscribe to our email list to receive a VIP discount

FAQ & Support

🚦 1. Trouble Codes & Symptoms

🔍 2. Fitment & Compatibility

🛒 3. Buying, Quality & Concerns

🧰 4. Installation & Usage

💰 5. Value & Performance

About us

Logistics Policy

Refund and Return Policy