Troubleshooting
How to Read Check Engine Light Codes With an OBD2 Scanner
Find the OBD2 port, choose a code reader or scan tool, pull and interpret check engine light codes, and decide whether the repair is DIY or a job for a shop.
Car blog Page 1297
Practical automotive articles on maintenance, diagnostics, vehicle systems, buying used cars, tires and electric driving.
Troubleshooting
Ownership
How Much Does a Tire Rotation Cost? Typical Prices and When It Is Free
What a tire rotation typically costs at dealers, tire shops, and quick lubes, what drives the charge, how long it takes, and when rotations come free.
Ownership
How Much Does a Wheel Alignment Cost? Typical Ranges and What Drives the Price
Learn what a wheel alignment typically costs, how front-end and four-wheel jobs differ, which factors raise the bill, and how to judge whether a quote is fair.
Maintenance
How and When to Replace Your Car's Engine Air Filter
Learn what the engine air filter does, how to spot a dirty one, when to change it, and how to replace it yourself safely or decide when a shop makes more sense.
Maintenance
How to Recharge Your Car AC With a DIY Refrigerant Kit
Learn how to recharge car AC with a can and gauge kit, which refrigerant to use, safety precautions, why overcharging hurts, and when a recharge will not fix the problem.
Ownership
Alternator Replacement Cost: Parts, Labor and What Affects the Price
Learn what drives alternator replacement cost, from new versus remanufactured parts to labor time by vehicle layout, and how to get a fair, accurate quote.
Maintenance
How to Change a PCV Valve: General Step-by-Step Guide
Learn how to change a PCV valve on most cars: find the valve, handle hoses and grommets, remove and fit the new part, then check for leaks. General DIY guide.
Maintenance
Car Heater Repair: What Gets Fixed, What It Involves and When to See a Mechanic
Learn what car heater repair covers, from quick owner checks to blend door and heater core work, and how to decide whether to fix it yourself or book a shop.
Maintenance
How to Gap Spark Plugs: Tools, Feeler Gauges and Pre-Gapped Plugs
Learn why spark plug gap matters, how to pick and use a gap tool or feeler gauge, how to adjust the gap without harming the plug, and whether new plugs arrive pre-gapped.
Maintenance
How to Replace a PCV Valve: Removal Steps, Tools, and Replacement Kits
Learn how to remove and replace a PCV valve at home, which tools make the job easier, and what a replacement kit should include for a clean install.
Systems
What Is Windshield Washer Fluid Made Of? Ingredients, Colors and Safety
Learn what windshield washer fluid contains, why it beats plain water, what pink, orange and purple mean, and how concentrates, tablets, flammability and shelf life work.
Maintenance
Timing Chain Replacement Cost: What Drives the Price
Learn what shapes timing chain replacement cost: labor hours, engine layout, parts kits, related repairs and how to read a shop quote before you approve the job.
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