At Higley Family Auto Care in Gilbert, AZ 85295, with over 60 years of combined experience, we specialize in drivability diagnosis and repair for cars and light trucks. Drivability issues encompass any problems that affect the performance, efficiency, and smooth operation of your vehicle. This includes issues with the engine, transmission, fuel system, ignition, and more. For customers, this means ensuring their vehicle runs reliably, efficiently, and safely. Identifying and repairing drivability issues promptly can prevent more significant problems down the road, saving time and money while ensuring peace of mind on the road.

Engine misfires can lead to a loss of power, reduced fuel efficiency, and increased emissions. Misfires can be caused by issues with spark plugs, ignition coils, fuel injectors, or sensors. Addressing these issues promptly ensures optimal engine performance and prevents further damage to the engine and catalytic converter.

Oxygen sensors monitor the air-fuel mixture in the engine. A faulty sensor can lead to poor fuel economy, increased emissions, and even engine damage. Regularly servicing oxygen sensors ensures that your vehicle runs efficiently and meets emission standards.

Problems in the fuel system, such as clogged fuel injectors or a failing fuel pump, can lead to poor acceleration, stalling, and decreased fuel economy. Servicing the fuel system ensures that the engine receives the proper fuel flow, maintaining performance and preventing breakdowns.

Transmission issues, including slipping gears or rough shifts, can affect the drivability and safety of your vehicle. Addressing transmission problems early can prevent costly repairs and extend the life of your vehicle's transmission, ensuring smooth and reliable operation.

Vacuum leaks can cause a variety of drivability issues, including rough idling, stalling, and poor fuel efficiency. They can also trigger the check engine light. Identifying and repairing vacuum leaks ensures that the engine runs smoothly and efficiently, preventing further complications.

Spark Plug Replacement

Worn or damaged spark plugs can cause engine misfires, leading to poor performance and fuel inefficiency. Regular replacement ensures proper combustion and smooth engine operation.

Ignition Coil Replacement

Faulty ignition coils can cause misfires and reduce engine performance. Replacing them ensures reliable ignition and prevents further damage to the engine and catalytic converter.

Fuel Injector Cleaning

Clogged fuel injectors can lead to uneven fuel distribution, causing misfires and reduced fuel economy. Regular cleaning maintains optimal fuel flow and engine performance.

Oxygen Sensor Replacement

A malfunctioning oxygen sensor can cause incorrect fuel-air mixture readings, leading to poor fuel economy and higher emissions. Timely replacement ensures efficient engine operation and emission compliance.

Exhaust System Inspection

Inspecting the exhaust system for leaks and damage ensures that the oxygen sensors function correctly, maintaining proper air-fuel ratios and preventing engine performance issues.

Catalytic Converter Check

A failing catalytic converter can impact oxygen sensor readings and overall vehicle emissions. Regular checks ensure it is functioning correctly and efficiently.

Fuel Pump Replacement

A failing fuel pump can lead to insufficient fuel delivery, causing stalling and poor performance. Replacing it ensures a consistent fuel supply for optimal engine operation.

Fuel Filter Replacement

A clogged fuel filter can restrict fuel flow, leading to performance issues and potential engine damage. Regular replacement keeps the fuel system clean and efficient.

Fuel Injector Replacement

Damaged fuel injectors can disrupt fuel delivery and cause engine misfires. Replacing them ensures accurate fuel injection and optimal engine performance.

Transmission Fluid Change

Old or contaminated transmission fluid can lead to poor shifting and transmission wear. Regular fluid changes maintain smooth operation and extend transmission life.

Transmission Filter Replacement

A clogged transmission filter can restrict fluid flow and cause shifting issues. Replacing it ensures proper fluid circulation and transmission performance.

Transmission Solenoid Replacement

Faulty solenoids can cause gear shifting problems. Replacing them ensures reliable transmission operation and prevents further damage.

Vacuum Hose Replacement

Cracked or damaged vacuum hoses can cause leaks, leading to drivability issues and check engine lights. Replacing them ensures proper vacuum pressure and engine performance.

Intake Manifold Gasket Replacement

A leaking intake manifold gasket can cause vacuum leaks, leading to rough idling and performance issues. Replacing it ensures a proper seal and smooth engine operation.

PCV Valve Replacement

A faulty PCV valve can cause vacuum leaks and engine performance problems. Replacing it ensures proper ventilation and engine efficiency.

Symptoms:

Rough Idling: The engine runs unevenly when at a standstill.

Loss of Power: The vehicle struggles to accelerate.

Increased Fuel Consumption: Higher fuel usage without a corresponding increase in mileage.

Check Engine Light: The dashboard light may illuminate.

Symptoms:

Poor Fuel Economy: Noticeable decrease in miles per gallon.

Rough Engine Performance: Irregular engine behavior, such as stalling or hesitating.

Increased Emissions: Failing emissions tests due to improper air-fuel mixture.

Check Engine Light: The dashboard light may come on, indicating an issue.

Symptoms:

Hard Starting: Difficulty starting the engine, especially after it has been sitting for a while.

Stalling: The engine may cut out while driving or idling.

Poor Acceleration: The vehicle hesitates or lacks power when accelerating.

Unusual Noises: Whining noise from the fuel tank area, indicating a possible fuel pump issue.

Symptoms:

Slipping Gears: The transmission slips out of gear or fails to stay in gear.

Rough Shifting: Jerky or harsh transitions between gears.

Delayed Engagement: A delay in movement when shifting from park to drive or reverse.

Transmission Fluid Leaks: Puddles of red fluid under the vehicle.

Symptoms:

Rough Idling: The engine runs unevenly or shakes when idling.

Hissing Noise: A noticeable hissing sound from the engine compartment.

Poor Acceleration: The vehicle may hesitate or feel sluggish when accelerating.

Check Engine Light: The dashboard light may illuminate due to the air-fuel mixture imbalance.

Understanding these warning symptoms can help drivers identify potential drivability issues early, allowing for timely diagnosis and repair to maintain their vehicle’s performance and reliability.

1. Honda Accord (2008-2018)

Why It Benefits: Known for reliability but can experience engine misfires, fuel system issues, and transmission problems as it ages.

2. Toyota Camry (2007-2017)

Why It Benefits: Renowned for durability, yet regular maintenance on oxygen sensors and vacuum leaks ensures it runs efficiently.

3. Ford F-150 (2009-2019)

Why It Benefits: Popular full-size truck that benefits from consistent checks on fuel injectors and transmission fluid changes to handle heavy-duty use.

4. Chevrolet Silverado 1500 (2010-2020)

Why It Benefits: Heavy use requires frequent attention to fuel system and transmission maintenance to maintain performance.

5. Nissan Altima (2010-2020)

Why It Benefits: Common issues include engine misfires and faulty oxygen sensors, which need regular maintenance to keep the vehicle running smoothly.

6. Honda Civic (2006-2016)

Why It Benefits: Regular checks on spark plugs, ignition coils, and transmission fluids are essential to sustain its reputation for reliability.

7. Toyota Corolla (2009-2019)

Why It Benefits: Benefits from regular fuel system maintenance and vacuum leak repairs to ensure longevity and efficiency.

8. Jeep Grand Cherokee (2011-2021)

Why It Benefits: Needs frequent attention to transmission and fuel system issues due to its off-road capabilities and heavy use.

9. Ford Escape (2013-2019)

Why It Benefits: Commonly faces vacuum leaks and transmission problems, necessitating regular service to maintain performance.

10. Subaru Outback (2010-2020)

Why It Benefits: Requires regular maintenance on engine components and fuel system to handle varied driving conditions and maintain reliability.

These vehicles, while known for their durability and performance, benefit significantly from regular maintenance and timely repairs to address common drivability issues. Regular service ensures these popular models continue to operate efficiently and reliably.

Delaying or neglecting drivability diagnosis and repair can lead to significant cost increases over time:

Increased Repair Costs: Small issues, like a misfiring engine or a faulty oxygen sensor, can lead to more severe and expensive damage if left untreated. For instance, ignoring a misfire can damage the catalytic converter, leading to costly repairs.

Reduced Fuel Efficiency: Problems such as faulty oxygen sensors or fuel system issues can cause the engine to run inefficiently, leading to higher fuel consumption and increased fuel costs over time.

Premature Wear and Tear: Neglecting maintenance on components like the transmission or vacuum hoses can cause premature wear, resulting in the need for early and more frequent replacements.

Neglecting drivability diagnosis and repair poses serious safety risks:

Engine Performance Issues: Misfires, stalling, or rough idling can lead to sudden loss of power while driving, increasing the risk of accidents.

Transmission Problems: Issues such as slipping gears or rough shifting can affect the vehicle’s ability to accelerate or maintain speed, which can be dangerous in traffic situations.

Stalling and Hard Starting: Fuel system issues can cause the vehicle to stall or have trouble starting, which can be hazardous, especially in critical situations like merging onto highways or crossing intersections.

Delaying repairs can significantly impact the environment:

Increased Emissions: Faulty oxygen sensors and other related issues can cause the engine to run rich, emitting higher levels of harmful pollutants like carbon monoxide and hydrocarbons, contributing to air pollution.

Fuel Inefficiency: Poorly maintained vehicles consume more fuel, leading to increased fossil fuel consumption and higher greenhouse gas emissions.

Pollution from Leaks: Transmission fluid leaks or other leaks from neglected maintenance can lead to harmful fluids contaminating soil and water sources, negatively impacting the environment.

By promptly addressing drivability issues, vehicle owners can avoid these costs, ensure safety, and minimize their environmental footprint. Regular maintenance not only preserves vehicle performance but also contributes to a safer and cleaner environment.