96 GMC Sierra OBDII Code P0174: Causes & Solutions

Is your 96 GMC Sierra showing the OBDII code P0174? At CARDIAGTECH.NET, we understand the frustration of dealing with engine issues. This code signifies a lean condition on bank 2, indicating that the engine is receiving too much air or not enough fuel. We’ll delve into the root causes, diagnostic steps, and effective solutions to resolve this issue, ensuring your Sierra runs smoothly. This article covers potential causes, diagnostic procedures, and repair strategies, utilizing terms like Mass Air Flow (MAF) sensor, oxygen sensors, and fuel trim, to help you tackle the P0174 code effectively.

1. Understanding the OBDII Code P0174 on Your 96 GMC Sierra

The OBDII code P0174 indicates a lean condition on bank 2 of your 96 GMC Sierra’s engine. According to the EPA, a lean condition means the engine is receiving too much air or not enough fuel. This imbalance can lead to several performance issues and, if left unaddressed, can potentially damage engine components. Bank 2 refers to the side of the engine that does not contain cylinder number 1. To accurately diagnose and resolve this issue, it’s crucial to understand the potential causes and symptoms associated with the P0174 code.

1.1 What Does the P0174 Code Really Mean?

The P0174 code essentially tells you that the engine’s computer, or Powertrain Control Module (PCM), has detected a lean condition on bank 2. This means the air-fuel mixture is not within the ideal range of 14.7:1, which is required for efficient combustion. The PCM uses data from various sensors, including oxygen sensors and the Mass Air Flow (MAF) sensor, to monitor the air-fuel ratio. When the oxygen level in the exhaust is too high, it signals a lean condition, triggering the P0174 code. This imbalance can be caused by a variety of factors, such as vacuum leaks, faulty sensors, or fuel delivery issues.

1.2 Common Symptoms of P0174 Code in 96 GMC Sierra

Recognizing the symptoms associated with the P0174 code is the first step towards effective diagnosis. Here are some of the most common symptoms you might experience:

Check Engine Light: The most obvious symptom is the illumination of the check engine light on your dashboard.
Rough Idle: The engine may idle roughly or stall, especially when cold.
Poor Acceleration: You may notice a lack of power or hesitation during acceleration.
Decreased Fuel Economy: A lean condition can reduce fuel efficiency, causing you to fill up more often.
Hesitation or Stumbling: The engine may hesitate or stumble during acceleration.
Engine Misfires: In severe cases, the engine may misfire, leading to rough running and potential damage.

1.3 Severity of P0174 Code: Is It Safe to Drive?

While it’s technically possible to drive with the P0174 code, it’s not recommended to do so for an extended period. Driving with a lean condition can lead to several potential issues:

Overheating: A lean mixture can cause the engine to run hotter than normal, potentially leading to overheating and damage to critical components.
Catalytic Converter Damage: The catalytic converter can be damaged by the excessive heat and unburned fuel associated with a lean condition.
Engine Damage: In severe cases, a prolonged lean condition can lead to engine damage, such as burnt valves or piston damage.

Therefore, it’s best to address the P0174 code as soon as possible to prevent further damage to your 96 GMC Sierra. Contact CARDIAGTECH.NET at +1 (641) 206-8880 for expert advice and the right diagnostic tools.

2. Diagnosing the P0174 Code: A Step-by-Step Guide

Diagnosing the P0174 code requires a systematic approach to identify the root cause of the lean condition. Here’s a comprehensive step-by-step guide to help you through the process:

2.1 Preliminary Checks: Visual Inspection

Before diving into more complex diagnostic procedures, start with a thorough visual inspection of the engine bay. Look for any obvious signs of damage or leaks:

Vacuum Hoses: Check for cracked, broken, or disconnected vacuum hoses. These are a common source of vacuum leaks, which can cause a lean condition.
Intake Manifold: Inspect the intake manifold for cracks or loose bolts. Pay close attention to the gaskets, as they can deteriorate over time.
Air Intake System: Ensure the air filter is clean and properly installed. Check the air intake duct for any cracks or damage.
Fuel Lines: Inspect the fuel lines for leaks or damage. Also, check the fuel filter for any signs of clogging.
Exhaust System: Check for exhaust leaks, especially near the oxygen sensors. Leaks can introduce extra oxygen into the exhaust stream, leading to a false lean reading.

2.2 Using an OBDII Scanner: Reading and Interpreting Data

An OBDII scanner is an essential tool for diagnosing the P0174 code. It allows you to read diagnostic trouble codes (DTCs), view live data, and perform various diagnostic tests. Here’s how to use an OBDII scanner effectively:

Connect the Scanner: Plug the OBDII scanner into the diagnostic port, usually located under the dashboard on the driver’s side.
Read the Codes: Turn the ignition on (but don’t start the engine) and select the “Read Codes” option on the scanner. Note down all the DTCs present, including the P0174 code.
View Freeze Frame Data: The scanner may also provide freeze frame data, which captures the engine conditions when the P0174 code was triggered. This data can provide valuable clues about the cause of the problem.
Monitor Live Data: Use the scanner to monitor live data, such as:
- MAF Sensor Readings: Check the MAF sensor readings to ensure they are within the normal range. A faulty MAF sensor can provide inaccurate readings, leading to a lean condition.
- Oxygen Sensor Readings: Monitor the oxygen sensor readings on bank 2. The sensors should fluctuate between rich and lean. A sensor that is consistently reading lean may indicate a problem.
- Fuel Trims: Fuel trims indicate how much the PCM is adjusting the fuel mixture to compensate for a lean or rich condition. High positive fuel trim values suggest the PCM is adding more fuel to correct a lean condition.
Clear the Codes: After noting the codes and freeze frame data, clear the codes and test drive the vehicle to see if the P0174 code returns.

CARDIAGTECH.NET offers a range of high-quality OBDII scanners to assist you in diagnosing the P0174 code. Contact us at +1 (641) 206-8880 to find the perfect scanner for your needs.

2.3 Identifying Potential Vacuum Leaks

Vacuum leaks are a common cause of the P0174 code. They allow unmetered air to enter the engine, disrupting the air-fuel balance and causing a lean condition. Here are several methods to identify potential vacuum leaks:

Visual Inspection: As mentioned earlier, start with a visual inspection of all vacuum hoses and connections. Look for cracks, breaks, or loose connections.
Listening for Hissing Sounds: With the engine running, listen for any hissing sounds coming from the engine bay. This can indicate a vacuum leak.
Using a Smoke Machine: A smoke machine is a highly effective tool for detecting vacuum leaks. It introduces smoke into the intake system, and any leaks will be visible as smoke escaping from the affected area.
- How to Use a Smoke Machine:
  1. Connect the smoke machine to the intake system.
  2. Introduce smoke into the system.
  3. Carefully inspect all vacuum hoses, connections, and intake manifold gaskets for any signs of smoke escaping.
Using Carb Cleaner or Starting Fluid: This method involves spraying small amounts of carb cleaner or starting fluid around potential leak areas. When the cleaner or fluid is sucked into a vacuum leak, the engine RPM will increase slightly.
- How to Use Carb Cleaner or Starting Fluid:
  1. Start the engine and let it idle.
  2. Spray small amounts of carb cleaner or starting fluid around vacuum hoses, intake manifold gaskets, and other potential leak areas.
  3. Listen for a change in engine RPM. If the RPM increases, you have found a vacuum leak.

Caution: Use carb cleaner or starting fluid sparingly, as they are flammable. Avoid spraying near hot engine components or ignition sources.

2.4 Testing the MAF Sensor

The Mass Air Flow (MAF) sensor measures the amount of air entering the engine. A faulty MAF sensor can provide inaccurate readings, leading to a lean condition and triggering the P0174 code. Here’s how to test the MAF sensor:

Visual Inspection: Check the MAF sensor for any signs of damage or contamination. Clean the sensor element with MAF sensor cleaner if necessary.
Using a Multimeter:
- Disconnect the MAF sensor connector.
- Use a multimeter to measure the voltage between the specified terminals. Refer to the vehicle’s service manual for the correct pinout and voltage specifications.
- Start the engine and monitor the MAF sensor output voltage. The voltage should increase as the engine RPM increases. A faulty MAF sensor may have a low or erratic output voltage.
Using an OBDII Scanner:
- Connect an OBDII scanner and monitor the MAF sensor readings in grams per second (g/s).
- Compare the readings to the expected values. The MAF sensor readings should increase with engine RPM. A faulty MAF sensor may have low or inaccurate readings.

If the MAF sensor fails any of these tests, it may need to be replaced. CARDIAGTECH.NET offers high-quality MAF sensors to ensure accurate air flow measurement and optimal engine performance. Contact us at +1 (641) 206-8880 for assistance in selecting the right MAF sensor for your 96 GMC Sierra.

2.5 Evaluating the Oxygen Sensors

Oxygen sensors measure the amount of oxygen in the exhaust stream. They provide feedback to the PCM, which uses this information to adjust the air-fuel mixture. Faulty oxygen sensors can provide inaccurate readings, leading to a lean condition and triggering the P0174 code. Here’s how to evaluate the oxygen sensors:

Visual Inspection: Check the oxygen sensors for any signs of damage or contamination. Ensure the sensor wiring is intact and properly connected.
Using an OBDII Scanner:
- Connect an OBDII scanner and monitor the oxygen sensor readings on bank 2. The sensors should fluctuate between rich and lean. A sensor that is consistently reading lean may indicate a problem.
- Check the oxygen sensor heater circuit. The heater circuit helps the sensor reach operating temperature quickly. A faulty heater circuit can cause the sensor to provide inaccurate readings.
Testing the Sensor Output:
- Use a multimeter to measure the voltage output of the oxygen sensor.
- Compare the readings to the expected values. Refer to the vehicle’s service manual for the correct voltage specifications.

If the oxygen sensors fail any of these tests, they may need to be replaced. It’s important to replace oxygen sensors in pairs to ensure accurate readings and optimal engine performance.

2.6 Checking the Fuel System Components

Fuel delivery issues can also cause a lean condition and trigger the P0174 code. Here’s how to check the fuel system components:

Fuel Pressure Test:
- Connect a fuel pressure gauge to the fuel rail.
- Start the engine and check the fuel pressure. Compare the reading to the manufacturer’s specifications. Low fuel pressure can indicate a faulty fuel pump, clogged fuel filter, or leaking fuel pressure regulator.
Fuel Injector Test:
- Use a multimeter to measure the resistance of the fuel injectors. The resistance should be within the specified range.
- Use a stethoscope to listen to the fuel injectors. They should make a clicking sound as they open and close.
- Perform a fuel injector balance test using an OBDII scanner. This test measures the fuel flow from each injector and can identify any injectors that are not performing properly.
Fuel Filter Inspection:
- Inspect the fuel filter for any signs of clogging. A clogged fuel filter can restrict fuel flow and cause a lean condition.
- Replace the fuel filter if necessary.

If any of these fuel system components are faulty, they may need to be replaced to resolve the P0174 code. CARDIAGTECH.NET offers a range of high-quality fuel system components to ensure reliable fuel delivery and optimal engine performance. Contact us at +1 (641) 206-8880 for assistance in selecting the right components for your 96 GMC Sierra.

3. Resolving the P0174 Code: Effective Solutions

Once you have identified the root cause of the P0174 code, it’s time to implement the appropriate solutions. Here are some effective strategies to resolve the issue:

3.1 Repairing or Replacing Vacuum Hoses

If you have identified any cracked, broken, or disconnected vacuum hoses, repairing or replacing them is essential.

Repairing Vacuum Hoses: Small cracks or leaks in vacuum hoses can sometimes be repaired with silicone tape or heat shrink tubing.
Replacing Vacuum Hoses: If the hoses are severely damaged or deteriorated, it’s best to replace them with new ones. Ensure you use high-quality vacuum hoses that are designed to withstand engine temperatures and pressures.

3.2 Cleaning or Replacing the MAF Sensor

If the MAF sensor is dirty or faulty, cleaning or replacing it can resolve the P0174 code.

Cleaning the MAF Sensor: Use MAF sensor cleaner to gently clean the sensor element. Avoid touching the sensor element with your fingers or any other objects, as this can damage it.
Replacing the MAF Sensor: If cleaning the MAF sensor does not resolve the issue, it may need to be replaced. Ensure you use a high-quality MAF sensor that is designed for your 96 GMC Sierra.

3.3 Replacing Faulty Oxygen Sensors

If the oxygen sensors are faulty, replacing them is necessary to ensure accurate readings and optimal engine performance.

Replacing Oxygen Sensors: Replace the oxygen sensors on bank 2. It’s recommended to replace both upstream and downstream sensors to ensure accurate readings. Use high-quality oxygen sensors that are designed for your 96 GMC Sierra.

3.4 Fixing Intake Manifold Leaks

Intake manifold leaks can cause a lean condition and trigger the P0174 code. Here’s how to fix intake manifold leaks:

Tightening Intake Manifold Bolts: Ensure the intake manifold bolts are properly tightened. Use a torque wrench to tighten the bolts to the manufacturer’s specifications.
Replacing Intake Manifold Gaskets: If tightening the bolts does not resolve the leak, the intake manifold gaskets may need to be replaced. Remove the intake manifold and replace the gaskets with new ones. Ensure you use high-quality gaskets that are designed to withstand engine temperatures and pressures.

3.5 Addressing Fuel System Issues

If fuel delivery issues are causing the P0174 code, addressing these issues is essential.

Replacing the Fuel Filter: Replace the fuel filter if it is clogged or dirty. Use a high-quality fuel filter that is designed for your 96 GMC Sierra.
Replacing the Fuel Pump: If the fuel pump is weak or faulty, replace it with a new one. Ensure you use a high-quality fuel pump that is designed to provide adequate fuel pressure and flow.
Cleaning or Replacing Fuel Injectors: If the fuel injectors are dirty or clogged, cleaning or replacing them can improve fuel delivery. Use fuel injector cleaner to clean the injectors, or replace them with new ones if necessary.

CARDIAGTECH.NET offers a range of high-quality fuel system components, including fuel filters, fuel pumps, and fuel injectors, to ensure reliable fuel delivery and optimal engine performance. Contact us at +1 (641) 206-8880 for assistance in selecting the right components for your 96 GMC Sierra.

3.6 Resetting the PCM and Re-Evaluating

After implementing the necessary repairs, it’s important to reset the PCM (Powertrain Control Module) and re-evaluate the system. Resetting the PCM clears any stored diagnostic trouble codes and allows the system to relearn the new settings.

How to Reset the PCM:
1. Disconnect the negative battery cable for 10-15 minutes.
2. Reconnect the negative battery cable.
3. Start the engine and let it idle for a few minutes.
4. Test drive the vehicle to see if the P0174 code returns.

After resetting the PCM, use an OBDII scanner to monitor the engine performance and ensure the P0174 code does not reappear. If the code returns, further diagnostic testing may be necessary to identify any remaining issues.

4. Preventative Maintenance to Avoid Future P0174 Codes

Preventative maintenance is key to avoiding future P0174 codes and ensuring the longevity of your 96 GMC Sierra. Here are some essential maintenance tasks:

4.1 Regular Inspection of Vacuum Hoses

Regularly inspect vacuum hoses for cracks, breaks, or loose connections. Replace any damaged hoses as soon as possible to prevent vacuum leaks.

4.2 Maintaining a Clean Air Filter

A clean air filter ensures proper air flow into the engine. Replace the air filter regularly, following the manufacturer’s recommendations.

4.3 Periodic MAF Sensor Cleaning

Periodically clean the MAF sensor with MAF sensor cleaner to ensure accurate air flow measurement.

4.4 Monitoring Fuel System Health

Monitor the fuel system for any signs of issues, such as low fuel pressure or clogged fuel filter. Replace the fuel filter regularly and address any fuel system problems promptly.

4.5 Scheduled Oxygen Sensor Replacement

Replace the oxygen sensors according to the manufacturer’s recommended schedule. This ensures accurate readings and optimal engine performance.

By following these preventative maintenance tips, you can keep your 96 GMC Sierra running smoothly and avoid future P0174 codes.

5. Choosing the Right Tools and Equipment from CARDIAGTECH.NET

Having the right tools and equipment is essential for diagnosing and resolving the P0174 code. At CARDIAGTECH.NET, we offer a wide range of high-quality tools and equipment to assist you in your diagnostic and repair efforts.

5.1 Recommended OBDII Scanners

Autel MaxiSYS MS906: A comprehensive diagnostic scanner with advanced features, including live data monitoring, bi-directional control, and coding capabilities.
Launch X431 V+: A powerful diagnostic scanner with a wide range of functions, including code reading, data streaming, and actuation tests.
BlueDriver Bluetooth Professional OBDII Scan Tool: A user-friendly Bluetooth scanner that connects to your smartphone or tablet, providing access to a wealth of diagnostic information.

5.2 Essential Diagnostic Tools

Smoke Machine: For identifying vacuum leaks.
Multimeter: For testing electrical components.
Fuel Pressure Gauge: For measuring fuel pressure.
Vacuum Tester: For testing vacuum levels.

5.3 Repair Equipment and Components

Vacuum Hoses: High-quality vacuum hoses for replacing damaged or deteriorated hoses.
MAF Sensors: Reliable MAF sensors for accurate air flow measurement.
Oxygen Sensors: High-performance oxygen sensors for precise exhaust gas analysis.
Fuel Filters: Quality fuel filters for maintaining clean fuel delivery.
Fuel Pumps: Durable fuel pumps for consistent fuel pressure.
Fuel Injectors: Efficient fuel injectors for optimal fuel atomization.

At CARDIAGTECH.NET, we are committed to providing you with the best tools and equipment to tackle the P0174 code and other automotive issues. Contact us at +1 (641) 206-8880 to learn more about our products and services.

6. Real-World Case Studies: P0174 Code on 96 GMC Sierra

To further illustrate the diagnostic and repair process, let’s examine some real-world case studies involving the P0174 code on a 96 GMC Sierra.

6.1 Case Study 1: Vacuum Leak in Intake Manifold

Vehicle: 1996 GMC Sierra
Code: P0174
Symptoms: Check engine light, rough idle, poor acceleration
Diagnosis:
- Visual inspection revealed a cracked intake manifold gasket.
- Smoke machine confirmed a vacuum leak at the intake manifold.
Solution:
- Replaced the intake manifold gaskets.
- Reset the PCM.
Outcome: The P0174 code was resolved, and the engine performance was restored.

6.2 Case Study 2: Faulty MAF Sensor

Vehicle: 1996 GMC Sierra
Code: P0174
Symptoms: Check engine light, decreased fuel economy, hesitation during acceleration
Diagnosis:
- OBDII scanner showed low MAF sensor readings.
- MAF sensor testing with a multimeter revealed an erratic output voltage.
Solution:
- Replaced the MAF sensor with a new one.
- Reset the PCM.
Outcome: The P0174 code was resolved, and the engine performance was improved.

6.3 Case Study 3: Clogged Fuel Filter

Vehicle: 1996 GMC Sierra
Code: P0174
Symptoms: Check engine light, rough idle, poor acceleration
Diagnosis:
- Fuel pressure test revealed low fuel pressure.
- Inspection of the fuel filter showed signs of clogging.
Solution:
- Replaced the fuel filter with a new one.
- Reset the PCM.
Outcome: The P0174 code was resolved, and the engine performance was restored.

These case studies demonstrate the importance of a systematic diagnostic approach and the use of appropriate tools and equipment in resolving the P0174 code.

7. Expert Tips for Working on Your 96 GMC Sierra

Working on your 96 GMC Sierra can be a rewarding experience, but it’s important to follow some expert tips to ensure safety and success:

7.1 Safety Precautions

Disconnect the Battery: Always disconnect the negative battery cable before working on any electrical components.
Use Jack Stands: When working under the vehicle, always use jack stands to support the vehicle.
Wear Safety Glasses: Wear safety glasses to protect your eyes from debris.
Use Gloves: Wear gloves to protect your hands from chemicals and sharp objects.

7.2 Torque Specifications

Follow Torque Specifications: Always follow the manufacturer’s torque specifications when tightening bolts and nuts.
Use a Torque Wrench: Use a torque wrench to ensure accurate tightening.

7.3 Service Manuals

Consult a Service Manual: Consult a service manual for detailed information on diagnostic and repair procedures.
Online Resources: Utilize online resources and forums for additional information and support.

7.4 Component Compatibility

Ensure Compatibility: Ensure that any replacement parts are compatible with your 96 GMC Sierra.
High-Quality Parts: Use high-quality parts to ensure reliability and longevity.

By following these expert tips, you can work on your 96 GMC Sierra safely and effectively.

8. Cost Considerations for Repairing P0174 Code

The cost of repairing the P0174 code can vary depending on the root cause of the issue and whether you choose to perform the repairs yourself or take your vehicle to a professional mechanic. Here’s a breakdown of potential costs:

8.1 DIY vs. Professional Repair

DIY Repair:
- Pros: Lower cost, satisfaction of doing the work yourself
- Cons: Requires knowledge, tools, and time; potential for mistakes
Professional Repair:
- Pros: Expertise, proper tools, warranty on repairs
- Cons: Higher cost

8.2 Estimated Costs for Common Repairs

Repair	Estimated Cost (DIY)	Estimated Cost (Professional)
Vacuum Hose Replacement	$10 – $30	$50 – $150
MAF Sensor Cleaning	$10 – $20	$30 – $80
MAF Sensor Replacement	$50 – $150	$150 – $300
Oxygen Sensor Replacement	$30 – $100	$100 – $300
Fuel Filter Replacement	$20 – $50	$80 – $150

These are just estimates, and the actual cost may vary depending on the specific situation and the parts and labor rates in your area.

9. Why Choose CARDIAGTECH.NET for Your Automotive Needs?

At CARDIAGTECH.NET, we are dedicated to providing you with the best tools, equipment, and support for your automotive needs. Here’s why you should choose us:

9.1 Wide Range of Products

We offer a wide range of OBDII scanners, diagnostic tools, and repair equipment to help you diagnose and resolve the P0174 code and other automotive issues.

9.2 High-Quality Products

We only offer high-quality products from trusted brands, ensuring reliability and performance.

9.3 Expert Support

Our team of automotive experts is available to provide you with technical support and guidance.

9.4 Competitive Prices

We offer competitive prices on all our products, making it affordable to get the tools and equipment you need.

9.5 Customer Satisfaction

We are committed to customer satisfaction and strive to provide you with the best possible shopping experience.

Contact CARDIAGTECH.NET today at +1 (641) 206-8880 or visit our website at CARDIAGTECH.NET to learn more about our products and services. Our address is 276 Reock St, City of Orange, NJ 07050, United States. Let us help you resolve the P0174 code on your 96 GMC Sierra and keep your vehicle running smoothly.

10. Frequently Asked Questions (FAQs) About P0174 Code

Here are some frequently asked questions about the P0174 code:

What does the P0174 code mean on a 96 GMC Sierra?
- The P0174 code indicates a lean condition on bank 2 of your 96 GMC Sierra’s engine, meaning there is too much air or not enough fuel in the air-fuel mixture.
Can I drive my 96 GMC Sierra with the P0174 code?
- It’s not recommended to drive for an extended period with the P0174 code, as it can lead to overheating, catalytic converter damage, and engine damage.
What are the common causes of the P0174 code?
- Common causes include vacuum leaks, faulty MAF sensor, faulty oxygen sensors, fuel system issues, and intake manifold leaks.
How do I diagnose the P0174 code on my 96 GMC Sierra?
- Start with a visual inspection, use an OBDII scanner to read codes and monitor live data, check for vacuum leaks, test the MAF sensor and oxygen sensors, and check the fuel system components.
How do I fix the P0174 code on my 96 GMC Sierra?
- Solutions include repairing or replacing vacuum hoses, cleaning or replacing the MAF sensor, replacing faulty oxygen sensors, fixing intake manifold leaks, and addressing fuel system issues.
What tools do I need to diagnose and fix the P0174 code?
- Essential tools include an OBDII scanner, smoke machine, multimeter, fuel pressure gauge, and vacuum tester.
How much does it cost to repair the P0174 code?
- The cost varies depending on the cause and whether you DIY or hire a professional, ranging from $30 to $300+ for common repairs.
Can a dirty air filter cause the P0174 code?
- Yes, a dirty air filter can restrict air flow and contribute to a lean condition.
How often should I replace the oxygen sensors on my 96 GMC Sierra?
- Refer to the manufacturer’s recommended schedule, typically every 60,000 to 100,000 miles.
Where can I get high-quality tools and equipment for diagnosing and repairing the P0174 code?
- CARDIAGTECH.NET offers a wide range of high-quality tools and equipment for diagnosing and repairing the P0174 code. Contact us at +1 (641) 206-8880 or visit our website at CARDIAGTECH.NET.

By understanding the P0174 code and following the diagnostic and repair steps outlined in this article, you can effectively resolve this issue and keep your 96 GMC Sierra running smoothly. Remember, CARDIAGTECH.NET is here to support you with the best tools, equipment, and expertise to tackle any automotive challenge.

Fixing the P0174 code on your 96 GMC Sierra might seem daunting, but with the right tools and know-how, it’s manageable. Don’t let a lean condition keep you off the road. Contact CARDIAGTECH.NET at +1 (641) 206-8880. Let us guide you to the perfect solutions for your diagnostic and repair needs. Our experts are ready to help you get back on track quickly and efficiently! Reach out now and let’s solve this together.