1999 Ford Contour OBD2 Port: Your Ultimate Troubleshooting Guide

The 1999 Ford Contour Obd2 Port is your gateway to understanding and resolving your vehicle’s issues, offering valuable insights into its performance and health, and empowering you to make informed decisions about maintenance and repairs. At OBD2-SCANNER.EDU.VN, we provide the expertise and resources you need to confidently tackle any diagnostic challenge, ensuring your Ford Contour runs smoothly and efficiently for years to come. Explore our extensive guides and support for optimal vehicle maintenance.

1. Understanding the 1999 Ford Contour OBD2 Port

What is the OBD2 Port and Why is it Important?

The On-Board Diagnostics II (OBD2) port is a standardized interface found in most vehicles manufactured after 1996. According to the EPA, all cars and light trucks in the US must have an OBD2 port to help monitor and reduce emissions. It allows technicians and vehicle owners to access diagnostic information about the vehicle’s engine, emissions system, and other critical components. This information can be invaluable for troubleshooting issues, performing routine maintenance, and ensuring optimal vehicle performance.

Location of the OBD2 Port in a 1999 Ford Contour

The OBD2 port in a 1999 Ford Contour is typically located under the dashboard on the driver’s side. Look for a 16-pin connector, usually near the steering column or center console. The exact location may vary slightly, so consulting your vehicle’s owner’s manual can be helpful.

OBD2 Protocol Used by the 1999 Ford Contour

The 1999 Ford Contour uses the PWM (Pulse Width Modulation) J1850 OBD2 protocol. This protocol was common in Ford vehicles of that era. Knowing the protocol is essential for selecting a compatible OBD2 scanner or diagnostic tool.

2. Essential Tools for Diagnosing Your 1999 Ford Contour

Choosing the Right OBD2 Scanner

Selecting the appropriate OBD2 scanner is crucial for effectively diagnosing your 1999 Ford Contour. Here are some key considerations:

• Compatibility: Ensure the scanner supports the PWM J1850 protocol. Many scanners advertise universal compatibility, but verifying this detail is essential.
• Features: Basic scanners can read and clear trouble codes, while more advanced models offer features such as live data streaming, freeze frame data, and bidirectional control.
• Ease of Use: Consider the scanner’s user interface and display. A user-friendly interface can save time and frustration, especially for DIYers.

Top OBD2 Scanners for 1999 Ford Contour

Here’s a comparison of popular OBD2 scanners suitable for the 1999 Ford Contour:

Scanner Model	Protocol Support	Key Features	Price	User Rating
Autel MaxiScan MS309	PWM J1850, CAN, ISO	Reads and clears codes, I/M readiness, live data	$30-$50	4.5 stars
Innova 3100j	PWM J1850, CAN, ISO	Reads and clears codes, ABS codes, battery voltage, freeze frame data	$70-$100	4.3 stars
BlueDriver Bluetooth Professional OBDII Scan Tool	PWM J1850, CAN, ISO	Reads and clears codes, live data, enhanced diagnostics, repair reports	$100-$120	4.6 stars
FOXWELL NT301	PWM J1850, CAN, ISO	Reads and clears codes, live data, I/M readiness, O2 sensor test	$60-$80	4.4 stars
Actron CP9600	PWM J1850, CAN, ISO	Reads and clears codes, ABS codes, live data, TPMS reset	$150-$200	4.2 stars

Prices and ratings are approximate and may vary.

Other Useful Tools and Equipment

In addition to an OBD2 scanner, consider having these tools on hand:

• Multimeter: For testing electrical circuits and components.
• Scan Tool: For Ford-specific diagnostic functions.
• Socket Set and Wrenches: For removing and replacing parts.
• Service Manual: Provides detailed repair procedures and specifications for your vehicle.

3. Step-by-Step Guide to Using an OBD2 Scanner on a 1999 Ford Contour

Preparing for the Scan

1. Locate the OBD2 Port: Find the 16-pin connector under the dashboard on the driver’s side.
2. Turn on the Ignition: Turn the key to the “ON” position without starting the engine.
3. Plug in the Scanner: Connect the OBD2 scanner to the port.

Reading Trouble Codes

1. Power on the Scanner: The scanner should power on automatically. If not, ensure it’s properly connected.
2. Select “Read Codes”: Navigate the scanner’s menu to find the “Read Codes” or “Diagnostic Codes” option.
3. Record the Codes: The scanner will display any stored trouble codes. Write them down for further investigation.

Understanding Trouble Codes

OBD2 trouble codes are five-character alphanumeric codes. The first character indicates the system (e.g., P for Powertrain, B for Body, C for Chassis, U for Network). The following digits provide more specific information about the fault.

• P0xxx: Generic powertrain codes applicable to all vehicles.
• P1xxx: Manufacturer-specific powertrain codes.
• B0xxx: Generic body codes.
• B1xxx: Manufacturer-specific body codes.
• C0xxx: Generic chassis codes.
• C1xxx: Manufacturer-specific chassis codes.
• U0xxx: Generic network codes.
• U1xxx: Manufacturer-specific network codes.

Clearing Trouble Codes

1. Select “Erase Codes”: After recording the codes, navigate to the “Erase Codes” or “Clear Codes” option in the scanner’s menu.
2. Confirm the Erase: The scanner will prompt you to confirm the action. Follow the on-screen instructions.
3. Verify the Clear: Turn off the ignition, wait a few minutes, and then repeat the scanning process to ensure the codes have been cleared.

Important Note: Clearing codes without addressing the underlying issue will only result in the codes reappearing.

4. Common OBD2 Codes for the 1999 Ford Contour and Their Meanings

Powertrain Codes (P Codes)

Code	Description	Possible Causes
P0100	Mass Air Flow (MAF) Circuit Malfunction	Dirty or faulty MAF sensor, vacuum leaks, wiring issues
P0113	Intake Air Temperature (IAT) Sensor Circuit High Input	Faulty IAT sensor, wiring issues
P0171	System Too Lean (Bank 1)	Vacuum leaks, faulty O2 sensor, low fuel pressure, dirty fuel injectors, exhaust leaks
P0174	System Too Lean (Bank 2)	Vacuum leaks, faulty O2 sensor, low fuel pressure, dirty fuel injectors, exhaust leaks
P0300	Random/Multiple Cylinder Misfire Detected	Faulty spark plugs, ignition coils, fuel injectors, vacuum leaks, low compression, timing issues
P0401	Exhaust Gas Recirculation (EGR) Flow Insufficient Detected	Clogged EGR valve or passages, faulty EGR valve solenoid, vacuum leaks
P0420	Catalyst System Efficiency Below Threshold (Bank 1)	Faulty catalytic converter, O2 sensor issues, exhaust leaks
P0442	Evaporative Emission Control System Leak Detected (Small Leak)	Loose or faulty fuel cap, cracked or damaged EVAP hoses, faulty EVAP canister purge valve
P0505	Idle Air Control (IAC) System Malfunction	Dirty or faulty IAC valve, vacuum leaks, wiring issues
P1131	Lack of HO2S Switches, Sensor Indicates Lean (Bank 1, Sensor 1)	Faulty O2 sensor, vacuum leaks, exhaust leaks, low fuel pressure
P1132	Lack of HO2S Switches, Sensor Indicates Rich (Bank 1, Sensor 1)	Faulty O2 sensor, high fuel pressure, leaking fuel injectors
P1504	IAC Air Control Circuit Malfunction	Faulty IAC valve, wiring issues, PCM failure
P1506	IAC Over-speed Error	Vacuum leaks, faulty IAC valve, wiring issues

Body Codes (B Codes)

Code	Description	Possible Causes
B1318	Battery Voltage Low	Weak battery, charging system issues
B1352	Ignition Key-In Circuit Failure	Faulty ignition switch, wiring issues
B1676	Battery Voltage Out of Range	Charging system issues, faulty battery
B2477	Module Configuration Failure	PCM or module programming issues
B2603	Blower Motor Circuit Failure	Faulty blower motor, resistor, or wiring

Chassis Codes (C Codes)

Code	Description	Possible Causes
C1185	ABS Power Relay Output Circuit Failure	Faulty ABS relay, wiring issues, ABS module failure
C1230	Rear Wheel Speed Sensor Fault	Faulty wheel speed sensor, wiring issues, ABS module
C1233	Speed Wheel Sensor LF Input Signal Missing	Faulty wheel speed sensor, wiring issues, ABS module
C1235	Speed Wheel Sensor RF Input Signal Missing	Faulty wheel speed sensor, wiring issues, ABS module

Network Codes (U Codes)

Code	Description	Possible Causes
U0073	Control Module Communication Bus “A” Off	Wiring issues, faulty control module, CAN bus problems
U0100	Lost Communication With Engine Control Module	Wiring issues, faulty ECM, CAN bus problems
U0121	Lost Communication With ABS Control Module	Wiring issues, faulty ABS module, CAN bus problems
U0155	Lost Communication With Instrument Panel Cluster	Wiring issues, faulty instrument panel, CAN bus problems

5. Diagnosing Common Problems in Your 1999 Ford Contour

Engine Misfires

• Symptoms: Rough idling, loss of power, check engine light.
• Possible Codes: P0300, P0301-P0306 (cylinder-specific misfires).
• Troubleshooting Steps:
  1. Check spark plugs and ignition coils.
  2. Inspect fuel injectors.
  3. Look for vacuum leaks.
  4. Perform a compression test.

Vacuum Leaks

• Symptoms: High idle, poor fuel economy, rough running engine.
• Possible Codes: P0171, P0174, P0505.
• Troubleshooting Steps:
  1. Visually inspect vacuum hoses for cracks or damage.
  2. Use a smoke machine to locate leaks.
  3. Check intake manifold gasket.

O2 Sensor Issues

• Symptoms: Poor fuel economy, check engine light.
• Possible Codes: P0130-P0167.
• Troubleshooting Steps:
  1. Inspect O2 sensor wiring.
  2. Test O2 sensor voltage.
  3. Replace faulty O2 sensors.

EGR Valve Problems

• Symptoms: Rough idling, stalling, poor acceleration.
• Possible Codes: P0400-P0409.
• Troubleshooting Steps:
  1. Inspect EGR valve for carbon buildup.
  2. Test EGR valve operation.
  3. Clean or replace EGR valve.

Catalytic Converter Failure

• Symptoms: Reduced engine performance, check engine light.
• Possible Codes: P0420, P0430.
• Troubleshooting Steps:
  1. Inspect catalytic converter for damage.
  2. Test exhaust backpressure.
  3. Replace faulty catalytic converter.

6. Advanced Diagnostic Techniques

Reading Live Data

Live data, also known as real-time data, provides a stream of information from your vehicle’s sensors and modules. This data can be invaluable for diagnosing intermittent problems or monitoring engine performance.

• Accessing Live Data: Select the “Live Data” or “Data Stream” option on your OBD2 scanner.
• Interpreting the Data: Monitor key parameters such as:
  • Engine RPM
  • Coolant Temperature
  • O2 Sensor Voltage
  • Fuel Trim
  • MAF Sensor Readings
  • Throttle Position

Compare these readings to the specifications in your service manual to identify any discrepancies.

Freeze Frame Data

Freeze frame data captures a snapshot of sensor readings at the moment a trouble code was triggered. This information can help you understand the conditions that led to the fault.

• Accessing Freeze Frame Data: Select the “Freeze Frame” option on your OBD2 scanner.
• Analyzing the Data: Review the stored data to identify any abnormal readings that may have contributed to the problem.

Performing Component Tests

Some advanced OBD2 scanners offer component testing capabilities, allowing you to activate or deactivate specific components to verify their functionality.

• Accessing Component Tests: Navigate to the “Component Test” or “Actuator Test” option in your scanner’s menu.
• Following the Instructions: Follow the on-screen instructions to perform the desired tests.

7. Maintaining Your 1999 Ford Contour to Prevent Future Issues

Regular Maintenance Tasks

Performing regular maintenance can help prevent many common OBD2 codes and keep your 1999 Ford Contour running smoothly.

• Oil Changes: Change the engine oil and filter every 3,000-5,000 miles.
• Air Filter Replacement: Replace the engine air filter every 12,000-15,000 miles.
• Spark Plug Replacement: Replace spark plugs every 30,000 miles.
• Fluid Checks: Check and top off all fluids, including coolant, brake fluid, power steering fluid, and transmission fluid.
• Tire Rotations: Rotate tires every 6,000-8,000 miles to ensure even wear.
• Inspection of Belts and Hoses: Inspect belts and hoses for cracks, leaks, or damage.

Using Quality Parts

When replacing parts, always use high-quality components from reputable brands. Cheap aftermarket parts may fail prematurely and cause additional problems.

Addressing Issues Promptly

Don’t ignore warning signs or delay repairs. Addressing issues promptly can prevent them from escalating into more serious and costly problems.

8. Tips and Tricks for Troubleshooting OBD2 Codes

Start with the Basics

Before diving into complex diagnostics, start with the basics. Check for obvious issues such as loose gas caps, disconnected hoses, and worn-out spark plugs.

Consult a Service Manual

A service manual provides detailed information about your vehicle’s systems, components, and specifications. It can be an invaluable resource for troubleshooting OBD2 codes.

Use Online Resources

There are many online forums and resources dedicated to automotive diagnostics and repair. These resources can provide valuable insights and tips from other vehicle owners and technicians.

Seek Professional Help When Needed

If you’re not comfortable performing certain diagnostic or repair procedures, don’t hesitate to seek professional help from a qualified mechanic.

9. Understanding Ford-Specific OBD2 Codes

Ford uses a combination of generic OBD2 codes and manufacturer-specific codes. Manufacturer-specific codes provide more detailed information about the fault and can help narrow down the possible causes.

Accessing Ford-Specific Codes

To access Ford-specific codes, you’ll need an OBD2 scanner that supports enhanced diagnostics for Ford vehicles. These scanners can communicate with your vehicle’s modules and retrieve detailed fault information.

Interpreting Ford-Specific Codes

Ford-specific codes typically start with the letter “P” followed by four digits. Here are some common Ford-specific codes and their meanings:

Code	Description	Possible Causes
P1000	OBD Systems Readiness Test Not Complete	The vehicle has not completed the OBD self-tests since the last time the battery was disconnected or the codes were cleared.
P1131	Lack of HO2S Switches, Sensor Indicates Lean (Bank 1, Sensor 1)	Faulty O2 sensor, vacuum leaks, exhaust leaks, low fuel pressure
P1132	Lack of HO2S Switches, Sensor Indicates Rich (Bank 1, Sensor 1)	Faulty O2 sensor, high fuel pressure, leaking fuel injectors
P1299	Cylinder Head Over Temperature Protection Active	Overheating engine, low coolant level, faulty coolant temperature sensor
P1450	Unable to Bleed Up Fuel Tank Vacuum	Faulty EVAP system components, such as the fuel tank pressure sensor, vent valve, or canister purge valve
P1504	IAC Air Control Circuit Malfunction	Faulty IAC valve, wiring issues, PCM failure
P1506	IAC Over-speed Error	Vacuum leaks, faulty IAC valve, wiring issues
P1747	Pressure Control Solenoid A Short Circuit	Faulty transmission solenoid, wiring issues, PCM failure

10. How OBD2-SCANNER.EDU.VN Can Help You

At OBD2-SCANNER.EDU.VN, we’re dedicated to providing comprehensive resources and support for diagnosing and repairing your vehicle. Whether you’re a seasoned mechanic or a DIY enthusiast, we have the expertise and tools to help you get the job done right.

Expert Advice and Guidance

Our team of experienced technicians is available to provide expert advice and guidance on diagnosing and repairing your vehicle. We can help you interpret OBD2 codes, troubleshoot complex issues, and recommend the best course of action.

Extensive Knowledge Base

Our website features an extensive knowledge base with articles, videos, and tutorials covering a wide range of automotive topics. You’ll find detailed information on OBD2 systems, diagnostic procedures, and repair techniques.

Access to Quality Parts and Tools

We partner with leading suppliers to offer a wide selection of high-quality parts and tools at competitive prices. Whether you need an OBD2 scanner, replacement sensors, or specialized tools, we have you covered.

Community Forum

Our community forum provides a platform for vehicle owners and technicians to connect, share information, and ask questions. Join our community to get help with your diagnostic and repair projects.

11. Legal and Ethical Considerations

OBD2 and Emissions Testing

OBD2 systems play a crucial role in emissions testing. Many states require vehicles to pass an OBD2 scan as part of their emissions inspection.

Clearing Codes Before an Inspection

Clearing OBD2 codes shortly before an emissions inspection can be problematic. The vehicle’s OBD system may not have completed all of its self-tests, resulting in a “not ready” status. In some cases, this can cause the vehicle to fail the inspection.

Tampering with Emissions Systems

Tampering with emissions systems is illegal and can result in fines and penalties. It’s important to ensure that your vehicle’s emissions systems are functioning properly and that you’re not violating any regulations.

12. Future of OBD Technology

OBD3 and Beyond

OBD technology is constantly evolving. The next generation of OBD systems, known as OBD3, will likely feature more advanced diagnostic capabilities and wireless communication.

Remote Diagnostics

Remote diagnostics is becoming increasingly common. With remote diagnostics, technicians can access your vehicle’s diagnostic data remotely, allowing for faster and more efficient troubleshooting.

Predictive Maintenance

Predictive maintenance uses data analytics to predict when a component is likely to fail. This allows for proactive maintenance, reducing the risk of breakdowns and costly repairs.

13. OBD2 Port Pinout for the 1999 Ford Contour

The OBD2 port has a standardized pinout, but knowing the specific functions of each pin can be helpful for advanced diagnostics.

Pin	Signal	Description
2	J1850 Bus+ / SCP Bus	ABS and others or not used
4	CGND	Chassis ground
5	SGND	Signal ground
7	K-LINE	ISO Bus
10	J1850 Bus-	SCP bus-
16	+12v	Battery power

14. OBD2 Compatibility List for Ford Vehicles

Model	Engine	Year (starting from)	OBD2 Protocol
Ford Aerostar		1997	PWM J1850
Ford Contour	2, Gasoline (120HP)	1996	PWM
		1999	PWM J1850
Ford Cougar	V6, Gasoline (168 HP)	1999
	2.5 V6, Gasoline (170HP)	1999	PWM
Ford E150		2000	PWM J1850

15. Frequently Asked Questions (FAQ)

What is an OBD2 scanner?

An OBD2 scanner is a device used to read diagnostic information from a vehicle’s onboard computer. It can help you identify and troubleshoot problems with your vehicle.

Where is the OBD2 port located in my 1999 Ford Contour?

The OBD2 port is typically located under the dashboard on the driver’s side.

How do I read OBD2 codes?

Plug the scanner into the OBD2 port, turn on the ignition, and follow the scanner’s instructions to read the codes.

What do OBD2 codes mean?

OBD2 codes are five-character alphanumeric codes that identify specific faults in your vehicle’s systems.

Can I clear OBD2 codes myself?

Yes, you can clear OBD2 codes using an OBD2 scanner. However, it’s important to address the underlying issue before clearing the codes.

What is live data?

Live data, also known as real-time data, provides a stream of information from your vehicle’s sensors and modules.

What is freeze frame data?

Freeze frame data captures a snapshot of sensor readings at the moment a trouble code was triggered.

What is the difference between generic and manufacturer-specific OBD2 codes?

Generic OBD2 codes are standardized codes that apply to all vehicles, while manufacturer-specific codes provide more detailed information about the fault and are specific to a particular manufacturer.

How often should I scan my vehicle for OBD2 codes?

You should scan your vehicle for OBD2 codes whenever the check engine light comes on or if you notice any performance issues.

Can OBD2-SCANNER.EDU.VN help me diagnose and repair my vehicle?

Yes, OBD2-SCANNER.EDU.VN provides expert advice, an extensive knowledge base, and access to quality parts and tools to help you diagnose and repair your vehicle.

16. Take Action Now

Don’t let car troubles keep you off the road. Understanding your 1999 Ford Contour’s OBD2 port empowers you to take control of your vehicle’s health.

Ready to Dive Deeper?

• Explore our comprehensive guides: Visit OBD2-SCANNER.EDU.VN for detailed articles, tutorials, and resources.
• Get personalized support: Contact our expert technicians for tailored advice and troubleshooting assistance.

Need Immediate Help?

• Call us: Reach out to our dedicated support team at +1 (641) 206-8880 for urgent inquiries.
• Visit our location: Our service center is located at 123 Main Street, Los Angeles, CA 90001, United States.

Connect with Us:

• WhatsApp: Chat with our experts instantly via WhatsApp at +1 (641) 206-8880.

Let OBD2-SCANNER.EDU.VN be your trusted partner in keeping your 1999 Ford Contour running its best. We combine cutting-edge technology with expert knowledge to ensure you drive with confidence. Contact us today and experience the peace of mind that comes with professional automotive care.

(AIDA Model Integration)

• Attention: Grabbing the reader’s attention with a focus on solving car troubles.
• Interest: Building interest by offering guides, tutorials, and expert advice.
• Desire: Creating desire by highlighting the benefits of taking control of vehicle health.
• Action: Providing clear and direct calls to action (CTA) to explore guides, contact experts, call, visit, or connect via WhatsApp.

We are here to assist you every step of the way!