Car Diagnostics and Troubleshooting

Listening for Valve Train Noise Under Hood

Valve Train Noise – Where Is It Coming From ? – Is It Bad ?

03/09/2024

Valve train noise, is usually due to excessive clearance, between two internal engine parts. Each valve utilizes, a valve spring that returns it to its, original closed position. So, if a valve spring has broken […]

Compression Leak Between Cylinders - No Coolant Or Oil Leaks

Compression Leak Between Cylinders: Without Any Coolant or Oil Leaks

03/08/2024

So, having a compression leak between cylinders, can allow the compression, to leak from one cylinder to the next. This causes a loss of compression, and sometimes, allows exhaust gasses, back into the intake, depending […]

Engine Cranks But No Start – Ignition, Fuel, Compression Are Good

03/07/2024

When your engine cranks but no start. It usually means your engine is having trouble, producing a spark, getting fuel, or creating compression. But, what if, ignition, fuel, and compression were all checked. and are […]

Running ( Dynamic ) Compression Test - How To Do It And Why

Running Dynamic Compression Test: Evaluating Individual Cylinders

03/03/2024

Firstly, a running dynamic compression test, confirms how effective each cylinder is, at pulling air in. Secondly, holding it for the correct amount of time, then letting it go, into the exhaust. So, if a […]

Engine Hesitation – What Is It, What Can Cause It, Diagnosing It

02/29/2024

Engine hesitation, can make your vehicle seem like its bogging down, misfiring or stumbling, when you hit the gas pedal. So, when you step on the gas, it will feel like, the power has been […]

Mechanical Engine Misfires – What Are They – How To Find Them

02/27/2024

Mechanical engine misfires, will not go away by themselves, and will only get worse over time. So, mechanical engine misfires, can be serious enough to cause, noticeable vibrations or even engine backfires. Unlike air to […]

Gas Getting Into Oil – What Can Cause This To Happen, And Why

02/22/2024

When changing your oil, one of the worst things to notice, is the smell of gas in the oil. Because, it means that gas, is somehow making its way into your engine’s oil. However, it […]

Rear Main Rope Seal – Alternatives For Many Older Engines

02/09/2024

Firstly, using a rear main rope seal, is almost a thing of the past. And, has greatly diminished in use. So, the rear main rope seal worked well, in its time. Only, as long as […]

Coolant Mixed With Oil – In The Lubrication System – Cleaning Tips

02/07/2024

Professional installers offer the following information on, cleaning coolant mixed with oil, in the lubrication system. However, the following information, applies only to certain situations. So, it is not applicable for all engines, that have […]

Bubble Test – Used In Conjunction, With A Cylinder Leak Down Test

02/06/2024

So, to determine the health of a head gasket, between two cylinders, try doing a bubble test. If you believe you have a leak, but just cannot find it, doing a bubble test may be […]

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