Alphabetical Index of All Engine Related Help Topics

Alphabetical Index of All Engine Related Help Topics

Learn how to diagnose and fix engine problems including misfires, overheating, no-start issues, and performance problems. In addition to maintenance & troubleshooting.

Choose Your Help Topic From Our Alphabetical Index

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• (ECT) Engine Coolant Temperature Sensor – What Can Go Wrong
• (EGR) Valve: Common Problems And Troubleshooting Procedures
• (EVAP) Evaporative Emission System – Function – Failure – Testing
• (GDI) Gasoline Direct Injection: How It Works and Its Benefits
• (MAP) Controlled Thermostats: Provide Several Engine Benefits
• (O2) Oxygen Sensor: Function – Failure Symptoms With Testing
• (PCV) System: One Of The Biggest Causes, Of Engine Oil Sludge
• (PCV) Valve: Major Problems From Lack Of Regular Maintenance
• (VVT) Variable Valve Timing: Enhancing Engine Performance
• 4 Liter Jeep Engine Was Famous: But, Was Not Without Its Faults

• A

• Abnormal Exhaust Noise, Common On 02-05 Ford 6.0L Diesels
• Air Injection System (AIS) – Air Pump – Function, Types, Failure
• Alternator or Battery Failure: How to Diagnose and Save Money
• Antifreeze In Oil: Means Your Engine Is Leaking Internally
• ATV Tech Tips: if an ATV Repair Seems Overwhelming, it Probably is
• Auto Repair Basics: If You Drive, You Should Learn Basic Repairs
• Automatic Belt Tensioner – Function – Failure Symptoms – Testing
• Automatic Shutdown (ASD) Relay – Function – Failure – Testing
• Automotive Engine Failure: Warning Signs And Major Causes
• Automotive Engine Valves: Function, Failure, and Testing
• Automotive Fuses: Know How They Work and Why They Blow
• Automotive Mechanic – Challenged Every Day, With New Problems
• Automotive Sensors: Monitoring Your Vehicle’s Vital Signs

• B

• Ball Hone – How To Get The Perfect Finish, For Piston Ring Sealing
• Blown Head Gasket: The Symptoms, Can Be Quite Misleading
• Broken Bolt : Stud Removing : Can Be A Frustrating Waste Of Time
• Bubble Test – Used In Conjunction, With A Cylinder Leak Down Test
• Burning Oil: Blue Smoke Is Coming Out Of My Exhaust Pipe

• C

• Car Battery – Know What Can Go Wrong, Before You Disconnect It
• Car Radiator : Consequences Of Car Radiator Overheating
• Car Starter Motor – Common Failure Symptoms And Diagnosis Tips
• Car Thermostat Issues: Is Your Engine Coolant Flowing Properly
• Carbon Deposits in Engines: Causes, Effects, and Prevention
• Catalytic Converter – Failure Signs And Testing – Learn The Basics
• Check Engine Light (CEL) – What Can Cause It To Come On
• Coil On Plug Ignition System: A Game Changer in Coil Technology
• Common Engine Problems – Noises, Leaks, Overheating, And Fuel
• Compression Leak Between Cylinders: Without Any Coolant or Oil Leaks
• Compression Test: How To Do It, Dry Or Wet – Review The Results
• Coolant Mixed With Oil – In The Lubrication System – Cleaning Tips
• Coolant Recovery Tank: What Does It Do and Why Do You Need It
• Cooling Fan Relay – What Does It Do – Failure Symptoms – Testing
• Crankshaft Damage: Causes and Prevention in Diesel Engines
• Crankshaft Position Sensors – Function, Failure, Diagnosis, Testing
• Crankshaft Thrust Bearing Failure – Causes And Remedies
• Cylinder Bore Deglazing – Purpose – Proper Crosshatch And Angle
• Cylinder Head Cracking – Overheating Is The Most Common Cause
• Cylinder Head Gasket Leaks: Symptoms and Expensive Repairs
• Cylinder Head Resurfacing – Getting The Correct Surface Finish
• Cylinder Leak Down Test – What Are The Results Telling You
• Cylinder Power Balance Testing – Uncover Hidden Engine Issues
• Cylinder Sleeve – How To Install A Cylinder Sleeve To Save A Block

• D

• Dash Warning Lights – Only Provide A Warning Something Is Wrong
• Diagnose Engine Problems: With Your Sight, Hearing, Touch and Smell
• Diesel Engine Issues – The Answers May Be In The Exhaust Smoke
• Distributorless Ignition System – Get to Know the Components

• E

• Electric Cooling Fan: What Can Stop It From Working Properly
• Electric Fuel Pumps – How Do They Work – How Can They Fail
• Emission Control Systems – What Are They – How Do They Work
• Emission Thermactor Plugs – For Small Block Ford Cylinder Heads
• Engine Antifreeze Coolant: What Does It Do?, Why You Need It?
• Engine Bearing Clearance: Why It Matters and How to Measure It
• Engine Bearing Replacement: Understanding the Basics
• Engine Bearing: How They Actually Work: Failure Warning Signs
• Engine Bottom End Parts: Know The Parts Inside Your Engine
• Engine Compression – What Can Cause, Low Or No Compression
• Engine Coolant Antifreeze – Engine Cooling and Testing Made Easy
• Engine Coolant Leaks: How To Find Them – External And Internal
• Engine Coolant Temperature (ECT) Sensor: Failure Signs: Testing
• Engine Coolant Temperature Sensor: Step By Step Replacement
• Engine Coolant: What Are The Basics You Really Need To Know
• Engine Cooling Fan: Maintaining the Proper Coolant Temperature
• Engine Cranks But Fails to Start: Causes and Solutions
• Engine Cranks But No Start – Ignition, Fuel, Compression Are Good
• Engine Damage – Look for Deterioration, Before It’s Too Late
• Engine Fuel System: Signs of Trouble and What to Check
• Engine Hesitation – What Is It, What Can Cause It, Diagnosing It
• Engine Issues – Early Warning Signs – Major Causes Explained

• E

• Engine Knocking – Pinging – Rattling Noise – Most Common Causes
• Engine Knocking Ticking Noise – Is This The End Of Your Engine
• Engine Lubrication Problems – Lack Of Oil, Causing Engine Wear
• Engine Misfire: Causes, Symptoms, Diagnosis & Fixes
• Engine Noise: Common Causes and Solutions
• Engine Noises: Where Are They Coming From: Are They Bad
• Engine Not Cranking Over: One Of The Easiest Problems To Solve
• Engine Oil Consumption Is On The Rise: Where It Goes, And Why
• Engine Oil Leaks – How To Find Them – Repair Recommendations
• Engine Oil Pressure Low – Common Causes And Ways To Fix It
• Engine Oil Pressure Warning – Possible Causes And Testing
• Engine Oil Sludge: Is Caused By Your Engine Oil Breaking Down
• Engine Overheating: Causes, Symptoms, Diagnosis & Fixes
• Engine Piston Rings – How Do They Work – How Can They Fail
• Engine Power Balance Testing: Total Power Output Of The Engine
• Engine Problems Can Be Scary – Learn About The Common Ones
• Engine Rattling Noise – Reasons You May Have Them – Solutions
• Engine Rebuild Reasons – Low Compression And Oil Consumption
• Engine Rebuilding And Remanufacturing: What Is The Difference
• Engine Replacement : A Comprehensive Guide, For Every Vehicle
• Engine Sludge – Causes and Prevention Tips
• Engine Spark Knock: Causes, Symptoms, and Solutions
• Engine Stalling – Proper Troubleshooting And Maintenance
• Engine Stalling Issues – Now You Question Your Vehicle’s Reliability
• Engine Surging: Causes and Solutions
• Engine Thermostat Problems: Will Affect Your Engine’s Performance
• Engine Timing Belt – Sets The Mechanical Heartbeat Of The Engine
• Engine Troubleshooting – Common Problems With Solutions
• Engine Turns Over: Troubleshooting a No Start Condition
• Engine Vacuum Gauge Test: A Simple Guide
• Engine Will Not Start, But Fuel, Spark And Compression Are Good
• Engine Won’t Start: Causes, Diagnosis & Fixes
• Excessive Exhaust Smoke – A Sign Your Engine Needs Attention
• Exhaust Gas Recirculation: Types, Failure, Cleaning, Replacement
• Exhaust Manifold Leaks: Causes, Failure Signs, Potential Damage

• F

• File Fit Piston Rings – How To Do It Properly, For Critical End-Gap
• Flexplate – What Does It Do ? – What Can Happen If It Fails ?
• Fluid Leak Under Your Car: Here’s How To Identify What It Is
• Fuel Getting Into Engine Oil: Learn The Cause, Effect And The Fix
• Fuel Injector – Deposits Can Build Up And Clog The Fuel Injector
• Fuel Injectors: Usually Only Fail, In One Of Three Different Ways
• Fuel Leak: If You Smell Fuel This Could Be a Sign of a Fuel Leak
• Fuel Pressure Regulator – Do You Have The Correct Fuel Pressure
• Fuel Pressure Regulators – Commonly Fail In One Of Two Ways
• Fuel Pump Failure: Signs, Symptoms, and Solutions
• Fuel Pump Issues – Excessive Heat – Contamination, Dirt, Rust
• Fuel Pump Related No Start Problems – What Should You Check
• Fuel Pump Relay – Function – Failure – Testing Procedures
• Fuel System Related Problems – Not Always Easy to Solve
• Fuel Wash: What is it – Check If You Have It – Common Causes

• G

• Gas Getting Into Oil – What Can Cause This To Happen, And Why
• GM 3100 – 3400 Engine Issues: Heads, Manifolds and Rocker Bolts
• GM 6.6L Duramax Diesel: Choosing The Correct Head Gasket

• H

• Hard Starting Engine: Cold, Hot, Both or Just After Refueling
• Harmonic Balancer: Function: Common Failure Warning Signs
• Head Bolt Torque & Installation Guide (Avoid Head Gasket Failure)
• Head Gasket Leak: External vs. Internal Leaks
• High Engine Idle: Causes, Diagnosis, and Solutions
• Honda OBD1 Codes: How to Read Check Engine Light Without a Scanner
• How To Do A Cylinder Leak Down Test – With Or Without A Tester
• Hydraulic Valve Lifter Noise: Usually, A Ticking Or Tapping
• Hydrolocked Engine: What Does It Mean – Possible Damage

• I

• Idle Air Control Valve (IAC), Function, Failure Symptoms – Testing
• Ignition Coil: Function, Coil Types, Failure Symptoms and Testing
• Ignition Switch: Understanding its Importance in Vehicle Security
• Ignition Timing – The Spark Plug Has To Fire At The Proper Time
• Intake Manifold Leaks – Causes, Symptoms, Testing and Prevention
• Interference vs. Non-Interference Engines: What You Need to Know
• Intermittent Temperature Related Engine Problems, Where To Start

• L

• Leaking Head Gasket: Causes and Symptoms Explained
• Loose Gas Cap: Most Common Cause For A Check Engine Light
• Low Oil Pressure: Troubleshooting, Actually Starts At The Dipstick
• Low Or High Oil Pressure: Is One Actually Better Than The Other
• Low Zinc Engine Oil Guide: How to Protect Flat Tappet Cams

• M

• Mass Air Flow Sensor (MAF): Measuring Volume, Density, Temperature
• Mechanical Engine Misfires – What Are They – How To Find Them
• Mechanical Fuel Pumps – Everything You Need To Know
• Motorcycle Spring Tune Up Tips – How To Stay Safe On The Road

• N

• New Spark Plugs: Improve Engine Performance & Efficiency
• No Spark – When Your Engine Cranks, But Has No Spark
• Noid Light: Tests For An Electrical Signal, At The Fuel Injector

• O

• Oil Consumption Has Many Causes, But, Worn Bearings Add To It
• Oil Filter: A Dirty Oil Filter, Will Obstruct The Flow, Of Clean Oil
• Oil Leak In Spark Plug Well – Know The Signs – What Can Happen
• Oil Mixed With Coolant – In The Cooling System – Cleaning Tips
• Oil Pan Gasket Leak – How to Diagnose and Confirm the Leak

• P

• PCV Valve System: This Is Where Crankcase Gases Get Recycled
• PCV Valve: How Does It Work, Failure Signs, How To Test It
• Poor Fuel Economy: Common Causes, And How To Combat Them
• Positive Crankcase Ventilation (PCV) System: What Does It Do
• Push Button Start Troubleshooting: Why Won’t the Engine Crank?
• Pushrods On G.M. 3.1-3.4 Engines – This Is Where Length Matters

• R

• Radiator Cap: Basic Function – Failure Symptoms – How Important is it
• Radiator: Engine Overheating Causes and Consequences
• Rear Engine Oil Leaks – Finding The Real Location Of The Leak
• Rear Main Rope Seal – Alternatives For Many Older Engines
• Reduced Engine Power Warning Light – What To Do And Why?
• Reducing Fuel Consumption – Keep More Money, in Your Pocket
• Reducing Fuel Cost Is Easy: If You Can Follow A Few Rules
• Repeat Engine Failures From Not Diagnosing The Original Problem
• Rocker Arms Dislodging – Along With Valve Seats Falling Out
• Rough Engine Idle and Misfires When Cold: GM V8 Engines
• Rough Engine Idle: Common Causes, With Possible Solutions
• Rough Idling Engine: What Does It Mean, How to Fix and Test It
• Running Dynamic Compression Test: Evaluating Individual Cylinders

• S

• Serpentine Belt: Function – Failure Signs – Easy Replacement
• Spark Plug Color: Learn The Symptoms And Recommendations
• Spark Plug Health Is Directly Linked, To Your Engines Performance
• Spark Plug Problems: Function, Failure And Replacement
• Spark Plug Reading: How To Do It: What It Can Tell You
• Sticking Valves Because Of Carbon Deposits And Rich Fuel Mixture

• T

• Tailpipe Smoke: What Does The Color Of The Tailpipe Smoke Mean
• Throttle Position Sensor (TPS) – Function – Failure – Testing
• Timing Belt Basics – Avoid the Unexpected Cost of Engine Damage
• Timing Belt Failure: Causes, Symptoms, and Solutions
• Timing Belts – Chains Or Gears, All Do The Same Thing, Differently
• Timing Belts: Connect Parts Together, To Operate In Sequence
• Top Dead Center – Is When the Piston Is at the Top of Its Stroke
• Torque Specification – Torque To Yield – Torque, Plus Angle
• Torque To Yield Bolts (TTY): What Exactly Are They
• Turbocharger: How it Works and Why it’s Essential

• V

• Vacuum Leak Detection: How to Find & Fix Vacuum Leaks Safely
• Vacuum Leak Repair: Locations, Common Causes, Common Repairs
• Vacuum Leaks – How To Quickly Find Them In 5 Easy Steps
• Vacuum Test Basics – What To Check And How To Do It
• Valve Cover Gasket Leaks: There Are Common Warning Signs
• Valve Guide Wear – How to Identify and Reduce Oil Consumption
• Valve Job: Why Would You Need One – Causes – What To Expect
• Valve Lash – Getting All The Facts For Setting And Adjustment
• Valve Lash Setting For Quiet Engine Performance
• Valve Lifters: Hydraulic vs. Mechanical (Solid), Learn the Difference
• Valve Seats: Learn How To Install And Grind Valve Seats
• Valve Springs Can Cause, Floating Valves and Pumped Up Lifters
• Valve Stem Seal Failure: Follow The Symptoms and Conditions
• Valve Stem Seals: Basic Function, Seal Types, Failure Symptoms
• Valve Train Noise – Where Is It Coming From ? – Is It Bad ?
• Valves and Piston Rings: Problems, Causes and Solutions
• Variable Valve Timing (VVT) – Benefits & Advantages Explained
• Variable Valve Timing (VVT) – Function And Its Advantages
• Vehicle Noise: What Do You Hear And When Do You Hear It?

• W

• Water Pump And Timing Belt Replacement – Tips And Instructions
• Water Pump Failure: Common Signs to Identify
• Water Pump Noise: Signs of Failure and Potential Engine Damage
• Wet Compression Testing Is A Step Up, From A Regular Test
• White Stuff Under My Oil Filler Cap – What Is It ? Is It Bad ?
• Worn Piston Rings: A Guide to Blow-by and Installation