Subaru Check Engine Light & Cruise: Quick Fixes!

A blinking check engine light and cruise control light on a Subaru often indicate a serious engine issue. Immediate inspection by a mechanic is recommended.

Subaru vehicles are known for their reliability, but even the best cars can have issues. One common problem is the check engine light blinking in tandem with the cruise control light. This can be alarming and usually signals a more severe engine problem.

Ignoring these warning lights can lead to costly repairs or even more significant damage. It’s crucial to address this issue promptly. Regular maintenance and timely diagnostics can help prevent such problems, ensuring your Subaru runs smoothly. Always consult a professional mechanic to diagnose and fix the issue accurately.

Introduction To Subaru’s Check Engine And Cruise Control Warnings

Subaru Check Engine Light Blinking Cruise Control

Subaru vehicles are equipped with advanced systems for monitoring engine performance. The Check Engine Light and Cruise Control warning are important signals. These lights inform drivers about potential issues. Understanding these warnings can help maintain your car’s health.

Common Triggers For The Lights

Several factors can trigger the Check Engine and Cruise Control lights. Knowing these can help diagnose problems quickly.

TriggerDescription
Loose Gas CapA loose gas cap can cause the Check Engine Light. Ensure it is tight.
Faulty Oxygen SensorThis sensor monitors exhaust emissions. A fault can trigger warnings.
Catalytic Converter IssuesProblems with this part affect engine performance and emissions.
Spark Plug ProblemsWorn spark plugs can cause misfires and trigger the Check Engine Light.

Impact On Vehicle Performance

The Check Engine and Cruise Control lights affect how your car runs. Ignoring these warnings can lead to severe issues.

  • Reduced Fuel Efficiency: A triggered light can mean your engine is not running efficiently.
  • Limited Cruise Control Function: The Cruise Control warning may disable this feature.
  • Potential Engine Damage: Ignoring the Check Engine Light can cause long-term engine damage.
  • Increased Emissions: Faults can lead to higher emission levels, affecting the environment.

Decoding The Warning Lights

Seeing the Subaru Check Engine Light blinking alongside the cruise control light can be alarming. These warning lights are your car’s way of communicating. Understanding their meanings can help you take appropriate action and ensure your vehicle’s health.

Symbols And Their Meanings

The Check Engine Light indicates a problem with your car’s engine or emissions system. It can be triggered by various issues, such as a loose gas cap or a malfunctioning sensor.

The Cruise Control Light typically lights up when the cruise control system is engaged. If it blinks, it may indicate a problem or that the system has been disabled due to an engine issue.

Why Both Lights Might Come On Simultaneously

Both lights blinking together usually point to a significant issue. Here’s a list of potential reasons:

  • A faulty oxygen sensor
  • Issues with the catalytic converter
  • Problems with the spark plugs or ignition coils
  • Loose or damaged fuel cap

These issues can affect both the engine and the cruise control system, causing both lights to blink.

Warning LightPossible Issues
Check Engine LightEngine or emissions problems
Cruise Control LightSystem disabled due to engine issues

Addressing these issues promptly can prevent further damage. If you see these lights, it’s best to consult a professional mechanic.

Initial Steps To Address The Warning Lights

Seeing a blinking Check Engine Light and Cruise Control light on your Subaru can be alarming. These lights signal something is wrong with your car. Acting quickly can prevent further issues. Here are the first steps to address these warning lights.

Safety First: What To Do Immediately

Your safety and the safety of others is the top priority. Follow these steps:

  • Pull over to a safe location. Use your turn signals.
  • Turn off the engine. Wait a few minutes.
  • Restart the car. Check if the lights are still blinking.
  • Do not drive if the lights keep blinking.
  • Call for roadside assistance if needed.

Checking For Simple Causes At Home

Sometimes, the issue is simple and can be checked at home. Here are some steps:

  1. Open the hood and check for loose connections.
  2. Inspect the gas cap. Ensure it is tightly closed.
  3. Look for any visible damage or leaks.
  4. Use an OBD-II scanner to read error codes.
  5. Check the car’s manual for specific guidelines.

By following these steps, you can address the warning lights safely and effectively.

Diy Quick Fixes For Subaru Owners

Seeing the Check Engine Light blinking along with the Cruise Control light can be alarming. Fortunately, many issues causing these lights can be fixed easily. Here are some DIY quick fixes that Subaru owners can try.

Tightening The Gas Cap

A loose gas cap can trigger the Check Engine Light. Follow these steps to fix it:

  1. Turn off the engine.
  2. Locate the gas cap.
  3. Remove the gas cap and then reseal it tightly.
  4. Restart the vehicle.

If the Check Engine Light stops blinking, the gas cap was the issue. Ensure the gas cap is always tight after refueling.

Resetting The Battery

Sometimes, a Check Engine Light can be reset by the battery. Follow these steps:

  1. Turn off the engine.
  2. Open the hood and locate the battery.
  3. Disconnect the negative terminal using a wrench.
  4. Wait for 10 minutes.
  5. Reconnect the negative terminal.
  6. Close the hood and start the engine.

This process can reset the vehicle’s computer system. It may resolve the blinking lights issue.

Always keep these DIY quick fixes in mind. They can save time and money before visiting a mechanic.

When To Seek Professional Help

Driving a Subaru with a blinking check engine light and cruise control issues can be worrying. Knowing when to seek professional help is vital. This section helps you recognize symptoms and choose the right service center.

Recognizing Serious Symptoms

Understanding serious symptoms can save your Subaru from further damage.

  • Engine misfire: If your engine misfires, seek help immediately.
  • Strange noises: Unusual sounds mean something is wrong.
  • Reduced power: If your car loses power, it needs attention.
  • Overheating: An overheating engine is a critical issue.
  • Poor fuel economy: Sudden fuel consumption changes are a red flag.

Choosing The Right Service Center

Finding the right service center ensures your Subaru gets the best care.

CriteriaDetails
CertificationsCheck for certified Subaru technicians.
ReviewsRead customer reviews for honest feedback.
WarrantyEnsure they honor your car’s warranty.
EquipmentThey should have the latest diagnostic tools.
LocationChoose a nearby service center for convenience.

Seeking professional help ensures your Subaru stays in top condition.

Understanding The Diagnostic Process

Seeing your Subaru’s check engine light blinking and cruise control light flashing can be alarming. It is crucial to understand the diagnostic process to pinpoint the issue accurately. This guide will walk you through what happens during a professional diagnosis and how to interpret diagnostic codes.

What Happens During A Professional Diagnosis

A professional mechanic will start by using an OBD-II scanner. This device reads the codes from your car’s computer. Once the scanner is connected, it retrieves the specific trouble codes.

The mechanic will then review these codes. They provide a starting point for identifying the problem. Sometimes, they may need to perform further tests to isolate the issue.

Here’s a brief outline of the professional diagnosis steps:

  • Connect the OBD-II scanner to the vehicle.
  • Retrieve and record the diagnostic trouble codes (DTCs).
  • Analyze the codes and perform additional tests if needed.
  • Determine the root cause of the issue.

Interpreting Diagnostic Codes

Diagnostic trouble codes (DTCs) are a combination of letters and numbers. Each code represents a specific problem. Understanding these codes can help in diagnosing the issue.

Here is a table of common Subaru diagnostic codes:

CodeDescription
P0171System Too Lean (Bank 1)
P0301Cylinder 1 Misfire Detected
P0420Catalyst System Efficiency Below Threshold (Bank 1)

Each code helps the mechanic understand what part of the car needs attention. Fixing these issues promptly can prevent further damage.

If your Subaru’s check engine light is blinking and the cruise control light is flashing, it is best to seek professional help. Understanding the diagnostic process can help you stay informed and prepared.

Preventative Measures To Avoid Future Issues

Preventing future issues with your Subaru’s check engine light and cruise control is crucial. Implementing routine maintenance and upgrading parts can save you time and money. Follow these steps to ensure your vehicle runs smoothly.

Routine Maintenance Tips

Regular maintenance can prevent many common vehicle issues. Here are some essential tips:

  • Oil Changes: Change your oil every 3,000 to 5,000 miles.
  • Check Fluids: Regularly check and top off all fluids.
  • Tire Pressure: Keep tires inflated to the recommended level.
  • Battery Health: Inspect your battery for corrosion and charge.
  • Brake Pads: Replace brake pads before they wear down completely.
  • Air Filters: Change air filters every 15,000 miles.

Upgrading Parts For Reliability

Upgrading certain parts can enhance your Subaru’s reliability. Consider these upgrades:

  1. High-Quality Spark Plugs: Use premium spark plugs for better performance.
  2. Heavy-Duty Belts: Upgrade to heavy-duty belts for longer life.
  3. Performance Brake Pads: Install performance brake pads for safer braking.
  4. Advanced Air Filters: Use advanced air filters for improved engine efficiency.
  5. Durable Battery: Choose a durable battery with a longer warranty.

Regular maintenance and strategic upgrades can keep your Subaru running efficiently. Follow these tips to avoid future check engine light and cruise control issues.

Real-life Stories From Subaru Owners

Many Subaru owners face the dreaded check engine light blinking along with the cruise control light. These lights can signal various issues. Here, we share real-life stories from Subaru owners. They reveal their experiences and solutions.

Successful Diy Fixes

Some Subaru owners managed to fix the issue themselves. Here are their stories:

  • John’s Oxygen Sensor Replacement
  • John owns a 2015 Subaru Outback. One morning, his check engine light blinked. The cruise control light also came on. John used an OBD-II scanner. He found the code for a faulty oxygen sensor. John bought a new sensor online. He followed a YouTube tutorial and replaced it himself. The lights turned off. John saved money by not visiting the mechanic.
  • Sophia’s Gas Cap Tightening
  • Sophia drives a 2017 Subaru Forester. Her check engine light blinked during a road trip. The cruise control light also flashed. Sophia checked the gas cap. It was loose. She tightened it and restarted the car. The lights went off. Sophia was relieved it was a simple fix.

Learning From Diagnostic Surprises

Not all Subaru owners find easy fixes. Here are their surprising diagnostic stories:

  • Mike’s Catalytic Converter Issue
  • Mike drives a 2018 Subaru Crosstrek. His check engine light blinked. The cruise control light also activated. Mike used an OBD-II scanner. The code pointed to the catalytic converter. Mike was shocked. He visited a trusted mechanic. The mechanic confirmed the diagnosis. Mike had to replace the catalytic converter. It was an expensive fix. Mike learned the importance of regular maintenance.
  • Emma’s Wiring Problem
  • Emma owns a 2016 Subaru Impreza. Her check engine light and cruise control light both came on. Emma borrowed an OBD-II scanner. The code was unclear. She took the car to a dealership. The technician found a wiring problem. A rodent had chewed on the wires. The dealership fixed the wiring. Emma now checks her garage for pests regularly.

Frequently Asked Questions

Why Is My Check Engine Light On And Cruise Control Blinking On My Subaru?

Your check engine light and blinking cruise control often indicate an engine or emissions issue. Diagnose promptly to avoid damage.

Does Check Engine Light Affect Cruise Control?

Yes, the check engine light can affect cruise control. Malfunctions may disable cruise control for safety reasons.

Can I Drive My Subaru With The Check Engine Light On?

Yes, you can drive, but it’s risky. The check engine light signals a problem. Get your Subaru checked soon.

Can I Drive My Car With The Check Engine Light Blinking?

No, do not drive with a blinking check engine light. It indicates a serious issue. Get your car checked immediately.

Why Is My Subaru’s Check Engine Light Blinking?

A blinking check engine light often signals a severe engine issue. Immediate attention is required to prevent damage.

Conclusion

Experiencing a blinking check engine light and cruise control issue in your Subaru can be concerning. Address these warnings promptly to ensure safety and optimal performance. Regular maintenance and timely diagnostics can prevent bigger problems. Keep your Subaru running smoothly by paying attention to these signals and seeking professional help when needed.

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