The Premier Automotive Engine Troubleshooting Resource Site.
Danny’s Engineportal Shares, DIY Automotive Engine Repair Information. Engine Rebuilding, Basic Engine Machining, Technical Information, Diagnostic Troubleshooting Tips, And Finally, Testing With Possible Solutions.
Danny’s Engineportal suggests that a visual inspection of the engine, is the first step in proper diagnostics. Is a wire loose? Did a vacuum line fall off?
Choose Your Danny’s Engineportal Help Topic Below
Analyzing Poor Engine Performance – Common Places To Check
- (EGR) Valve – Allows Exhaust Gas To Re-enter The Intake System
- (PCV) System – Controls Crankcase Emissions And Much More
- Automotive Filters – Enable Flow While Removing Impurities
- Engine Timing – Camshaft And Ignition Timing, Are Totally Different
- Exhaust Smoke – When Do You See It, And What Color Is It
- Idle Issues – Engine Won’t Run At, A Steady And Consistent (RPM)
- Misfires Usually Happen, Because Of Spark, Compression Or Fuel
- Spark Plugs – Actually Have Quite A Few, Very Important Jobs
- Turbocharger – Supercharger – Both Squeeze Out, More Power
- Variable Valve Timing VVT – Valve Timing Changes, With (RPM)s
Basic Hard Engine Parts – Top, And Bottom End Components
- Automotive Engine Rebuild – Is It Worth It – Other Possible Options
- Basic Engine Machining – Lets Talk About The Common Operations
- Connecting Rods – The Link Between, The Piston And Crankshaft
- Crankshafts – Convert Vertical Movement Of Pistons Into A Rotation
- Cylinder Heads – Control Air Flow In, And Out Of The Cylinders
- Diesel Engines – Are Sophisticated, And Often Difficult To Diagnose
- Engine Bearings – Enable Internal Moving Parts, To Spin Freely
- Engine Blocks – A Metal Structure, That Houses Other Components
- Engine Damage And Problems – The Most Expensive Repairs
- Mechanical Problems – Require More Wrenching, And Less Testing
- Oil Pressure – Is Actually Created By, The Resistance, To Oil Flow
- Piston Ring – Seals The Combustion Chamber, And Dissipates Heat
Belts And Hoses – Are Crucial, But Also Have A Short Life Span
Cooling System – Keeping The Engine, At An Efficient Temperature
Diagnosing Leaks – Is Easy, If You Know The Location, Color, Smell
- Coolant Leaks – Engine Overheating, Is The First Sign Of Trouble
- Fuel Leaks Are Dangerous – Find The Source, And Fixing It Safely
- Head Gasket Leaks Are By Far, Any Motorist’s Worst Nightmare
- Manifold Gasket Leaks – Intake And Exhaust, Are Both Bad
- Oil Leaks Will Effect Engine Life, And Performance Of Your Vehicle
- Vacuum Leaking – Allows Unmetered Air, To Enter The Engine
Electrical System – Battery, Charging, Starting, Relays And Circuits
- Automotive Battery – Starts Engine, Adds Power, Stabilizes Voltage
- Automotive Relays – Are Used To Control, Hi Amperage Circuits
- Car Alternator – Powers The Accessories, And Charges The Battery
- Car Starter Motors Are Used, To Turn The Engine Over For Starting
Emission Control Relies On Pollution Devices, All Working Together
- Crankcase Emission Control – “Blow-By” Gases In The Crankcase
- Evaporative Emission Control – Collects and Stores, Fuel Vapors
- Exhaust Emission Control – Lowers The Level Of, Harmful Exhaust
Engine Codes – Are The Way, On-Board Diagnostics Talks To You
- OBD-I First Generation – On-Board Diagnostics Codes
- OBD-II – Second Generation, On-Board Diagnostics Codes
- P0001 Through P0099 – Trouble Codes, Fuel And Air Metering
- P0100 Through P0199 – Trouble Codes, Fuel And Air Metering
- P0200 Through P0299 – Fuel And Air Metering (Injector Circuit)
- P0300 Through P0399 – Ignition System Or Engine Misfire
- P0400 Through P0499 – Auxiliary Emissions Controls
- P0500 Through P0599 – Vehicle Speed And Idle Control System
- P0008 Through U1601 – Dodge Cummins Diagnostic Trouble Codes
- P0100 Through P0804 – Chev/GM Duramax, Diagnostic Trouble Codes
- P1111 Through P1783 – Ford Power Stroke, Diagnostic Trouble Codes
Engine No Start Conditions – Possible Causes – Things To Check
- Your Engine Turns Over, But Will Not Start – What To Check First
- Your Engine Will Not Turn Over – What To Check First
Engine Sealing – Includes, Oil, Coolant, Vacuum And Combustion
Exploring Engine Noises – Where Are They Coming From And Why
Fuel Systems – Store And Deliver Fuel To The Engine, As Needed
- Fuel Pressure Regulator – Pressure is Controlled By (ECM) Inputs
- Electronic Fuel Injectors – Atomize The Fuel, Into A Fine Mist
- Fuel Pump Relays – Supply Higher Power, Used By The Fuel Pump
- Fuel Pumps – Deliver The Fuel, From The Fuel Tank, To The Engine
General Car Maintenance – Your Owners Manual, Is You Bible
Ignition Systems – Increase Voltage, To Ignite The Air/Fuel Mixture
- Ignition Coils – Take Low Battery Voltage, Then Amplify It
- Primary Ignition System, Battery, Low Voltage Side Of The Circuit
- Secondary Ignition System, Spark, High Voltage Side Of The Circuit
Links – Have Been Added, With Additional Tech Resources
- Abbreviations And Acronyms – What All These Car Terms Mean
- Fuel Pump Diagnostic Guide – For Electric Fuel Injection
- PDF Files – Automotive Reference Tools, For Almost Everything
- Serpentine Belt Routing Guide – Common Belt Routing Diagrams
- SKF Torque Specifications – Front-Rear-Axle-Nut-Hub-Mount-Lug
- Torque Specifications – Proper Torque Specifications And Sequence
Lubricants And Oils – Are Often Overlooked, But Are Essential
Miscellaneous Topics – The Miscellaneous Car Problems Section
Motorcycle ATV Repair – Nothing Works Perfectly…..Forever
Overheating Engine – Engines Run Hot, But How Hot, Is Too Hot
- Car Radiators – Allow The Engine Coolant, To Dissipate Heat
- Engine Cooling Fans – Move Air Through The Rad, When Needed
- Rad Caps – Help Regulate Temperature, While Staying Pressurized
- Thermostats – Maintain Temperature, By Controlling Coolant Flow
- Water Pump – Keeps Engine Coolant, Moving Through The Engine
Repair Tips – Take The Scare, Out Of Basic Engine Repair
Reviews – Common Engine Problems, By Make And Model
Sensors – Monitor And Control, Various Engine Parameters
- Crankshaft Camshaft Sensors – Monitor The Crank/Cams Position
- Engine Coolant Temperature (ECT) Sensor, Monitors Temperature
- Idle Air Control (IAC) Valve – Manages Your Engine’s Idle Speed
- Knock Sensors (KS) -Are Used To Detect Engine Knock/Detonation
- Mass Air Flow (MAF) Sensor – Getting The Correct Amount Of Air
- Oxygen Sensors (O2) -Measure The Oxygen Level In Your Exhaust
- Throttle Position Sensor (TPS) – Updates The (ECM) About Air Flow
Testing Procedures And Fixes – To Keep You On The Road
- Cooling Heating System, Also Shares, Many Of The Same Parts
- Electrical System Testing, Sensors, Relays, Ignition, Starter, Battery
- Engine Mechanical, Compression, Leak, Power Balance, Vacuum
- Fuel System Testing, Fuel Pump, Injector, Regulator, Relay, Sensor
- Head Gasket – Manifold Leaks – Happen, Internally And Externally
BY DANNY BENDER