Diagnostics
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Battery
- AGM verus Gel battery: Learn the differences
- How Long Do Car Batteries Last? Find Out Here
- How to Charge a car battery using a battery charger
- How to Safely Test an Alternator with a Digital Multimeter
- How to test an alternator the safe way
- Starter clicks once but won’t crank the engine — The Most Common Causes
- The 6 most common symptoms of a dead car battery
- The safe way to test an alternator
- Top Car Battery Brands: A Comprehensive Guide
By Symptom
- ABS light on minivan
- Car smells: How to Get Rid of Mildew and Mold in Your Car’s AC
- Car Stalling Issues: Common Causes and Solutions
- Car struggles to start — The most common causes
- Car won’t start after filling with gas
- Car Won’t Start in Cold Weather — DIY Tips
- Car Won’t Start With a Jump: The Biggest Mistake DIYers Make
- Car Won’t Start: No sound when turning the key
- Car Won’t Start When Cold: The Most Common Causes
- Car wont start but it has a good battery
- Chevy Silverado won’t start
- Common Causes of Engine Overheating and How to Fix Them
- Dealing with Blue Smoke from the Exhaust: Tips and Techniques
- Diagnose Serpentine Belt Noise: A Complete Guide
- Dodge Ram AC blows cold then warm: Diagnose and fix
- Dome light stays on
- Engine Carbon Deposits: How to Safely Clean Your Engine
- Engine cranks but won’t fire up
- Engine ticking noise — Most common causes
- erratic gauges
- Find and fix squeaks chirps and rattle noises in your car
- Fix Engine Misfire: Common Causes and Solutions
- Flickering dash lights and Car Won’t Start? Here’s Why
- Ford starter wiring diagram
- Fuel gauge isn’t working or reading wrong amount
- Fuel pump whine on GM diesel engines — Bulletin 18-NA-10
- GM starter wiring diagram
- Grinding noise while driving: The most common causes
- How to charge a car battery after a jump start
- How to Diagnose a Bad Serpentine Belt Tensioner Before It Fails:
- No crank no start – Chrysler product
- No lights, power windows, heat, or AC
- OBDII Scan tool Modes
- Oil pressure light is on: What it means and how to fix it
- Passlock fixes
- Reversed Jumper Cables and Car Won’t Start: What to Check
- Rough idle, high idle
- RPM fluctuation at idle — Most common causes
- Security light on in GM vehicles — What it means
- Starter clicks once but won’t crank the engine — The Most Common Causes
- Test a Honda Blower Motor
- The Professional Way To Diagnose an Engine Misfire
- The Top 10 Causes of a Rough Idle in Your Vehicle
- Throttle position sensor TPS
- Trac off light on
- Troubleshooting a Rough Idle When Warm
- Volkswagen GTI Misfire
- What Causes a Popping Noise When Turning at Slow Speeds?
- What Causes a Rapid Clicking Noise When Starting the Engine?
- What to Do When Your Car Won’t Start: Troubleshooting Guide
- Why a heater fan motor keeps running after the car is shut off
- Why Car Won’t Start With a Jump — Most common causes
- Why Did My Car Shut Off While Driving?
- Why You Should Never Use WD-40 on Drive Belts
- Why your car won’t start after pumping gas
- Why Your Car Won’t Start After Filling With Gas
- Your Passenger Side Carpet is Wet: The most common causes
Air Conditioning, Heater, Blower Motor
- Common Causes of Engine Overheating and How to Fix Them
- Dodge Ram AC blows cold then warm: Diagnose and fix
- Why a heater fan motor keeps running after the car is shut off
- Your Passenger Side Carpet is Wet: The most common causes
Belt Noise
- Diagnose Serpentine Belt Noise: A Complete Guide
- How to Diagnose a Bad Serpentine Belt Tensioner Before It Fails:
- Why You Should Never Use WD-40 on Drive Belts
Blue smoke from the exhaust
Brakes
Car won't start
- Car Won’t Start in Cold Weather — DIY Tips
- Car Won’t Start When Cold: The Most Common Causes
- Engine cranks but won’t fire up
- Reversed Jumper Cables and Car Won’t Start: What to Check
- Starter clicks once but won’t crank the engine — The Most Common Causes
- What Causes a Rapid Clicking Noise When Starting the Engine?
- What to Do When Your Car Won’t Start: Troubleshooting Guide
- Why Car Won’t Start With a Jump — Most common causes
- Why Your Car Won’t Start After Filling With Gas
Electrical symptoms
- Fuel gauge isn’t working or reading wrong amount
- No lights, power windows, heat, or AC
- Test a Honda Blower Motor
Misfire
- Engine Carbon Deposits: How to Safely Clean Your Engine
- Fix Engine Misfire: Common Causes and Solutions
- OBDII Scan tool Modes
- The Professional Way To Diagnose an Engine Misfire
- Volkswagen GTI Misfire
No crank
- Car Won’t Start in Cold Weather — DIY Tips
- Car Won’t Start With a Jump: The Biggest Mistake DIYers Make
- Car Won’t Start: No sound when turning the key
- Flickering dash lights and Car Won’t Start? Here’s Why
- Ford starter wiring diagram
- GM starter wiring diagram
- How to charge a car battery after a jump start
- No crank no start – Chrysler product
- Reversed Jumper Cables and Car Won’t Start: What to Check
- What to Do When Your Car Won’t Start: Troubleshooting Guide
No start
- Car won’t start after filling with gas
- Car Won’t Start in Cold Weather — DIY Tips
- Car Won’t Start With a Jump: The Biggest Mistake DIYers Make
- Car Won’t Start When Cold: The Most Common Causes
- Car wont start but it has a good battery
- Chevy Silverado won’t start
- Flickering dash lights and Car Won’t Start? Here’s Why
- Ford starter wiring diagram
- Fuel pump whine on GM diesel engines — Bulletin 18-NA-10
- GM starter wiring diagram
- No crank no start – Chrysler product
- Reversed Jumper Cables and Car Won’t Start: What to Check
- What Causes a Rapid Clicking Noise When Starting the Engine?
- What to Do When Your Car Won’t Start: Troubleshooting Guide
Noises, squeaks, squeals, click
- Engine ticking noise — Most common causes
- Find and fix squeaks chirps and rattle noises in your car
- Grinding noise while driving: The most common causes
- What Causes a Popping Noise When Turning at Slow Speeds?
- Why You Should Never Use WD-40 on Drive Belts
Overheating
Rough Idle, Surge, Hesitation, Stall
- Car Stalling Issues: Common Causes and Solutions
- Rough idle, high idle
- RPM fluctuation at idle — Most common causes
- The Top 10 Causes of a Rough Idle in Your Vehicle
- Troubleshooting a Rough Idle When Warm
- Why your car won’t start after pumping gas
Shuts off/ Stalls
By Trouble Code
- A Toyota P2443 Code is pretty common and is a DIY fix.
- BMW OBD2 codes
- Check engine light on but no codes stored
- Chrysler OBD2 codes
- GM OBD2 codes
- Honda OBD2 codes
- Isuzu OBD2 codes
- Kia OBD2 codes
- Lexus OBD2 codes
- Mazda OBD2 codes
- Mitsubishi OBD2 codes
- Nissan OBD2 codes
- P0030 Code: What it means and how to fix it
- P0100 trouble code
- P0103 trouble code
- P0107 Code for Manifold Absolute Pressure Sensor
- P0108
- P0109
- P0110
- P012B code on F150: Most likely causes
- P0133 Code — What it means and the most common causes
- P0138 Code: What it means and how to fix it
- P0172 code: What it means and the most common causes
- P0174 code — The most likely causes and fixes
- P0400 code — What it means and how to fix it
- P0401 code — What it means and how to fix it
- P0401 EGR insufficient flow
- P0404 code for EGR — What it means and how to fix it
- P0405 code for EGR — What it means and how to fix it
- P0442 code and P0455 P0456 Fixes on a Ford vehicle
- P0496 purge flow code: What the code means and how to fix it
- P060E Code on GM Vehicles — Service Bulletin Fix
- P0846 Code on Nissan: Service Bulletin Fix
- P2185 code on a Honda
- P2763 code Subaru: How to diagnose and fix
- Subaru OBD2 codes
- Understand the downside of a free OBDII code read
- Understanding the P129F or P023F Code
- Understanding trouble code P0152
- VW OBD2 codes
Catalytic converter
Diagnostic Tips
- ABS module replacement cost and repair
- Automotive relay wiring diagram
- Car struggles to start — The most common causes
- Check engine light on but no codes stored
- Chrysler Evaporative Emissions System — How it works
- Clean a MAF sensor — step by step guide for DIYers
- Diagnose car noises the professional way
- Dome light stays on
- Engine ticking noise — Most common causes
- erratic gauges
- Find and fix squeaks chirps and rattle noises in your car
- Free wiring diagrams
- GM PassKey and PassLock overview
- GM starter wiring diagram
- Guide to Understanding Fuel Trims
- How to Remove a Honda Crankshaft Bolt Safely and Easily
- How to Safely Test an Alternator with a Digital Multimeter
- MAP sensor — what it does
- Readiness Monitors and Drive Cycles
- Should you buy a car extended warranty? — It depends on the brand
- Test a fuel pump: A Step-by-Step Guide
- Test master cylinder
- The 6 most common symptoms of a dead car battery
- The benefits of using back probe pins and probes
- The safe way to test an alternator
- Throttle position sensor TPS
- TIre pressure light on when temperature drops
- Water Pump Leak: Signs, Causes, and Solutions
- Your Passenger Side Carpet is Wet: The most common causes