Poor Engine Performance

Restore your vehicle’s driveability by learning how to Fix Poor Engine Performance. When your car feels sluggish, hesitates under load, or suffers from poor fuel economy, it’s a sign that your air-fuel ratio or ignition timing is off. Our resources cover how to diagnose low engine power caused by clogged fuel injectors, restricted exhaust systems, or faulty mass air flow (MAF) sensors. Learn to use live data scan tools to check fuel trims and vacuum gauges to find hidden leaks, ensuring your engine regains its original throttle response and efficiency.

Hard Starting Engine: Cold, Hot, Both or Just After Refueling

02/26/2025

So, a hard starting engine, is not a good sign and can be difficult to diagnose. But, the exact moment in the process of starting, can tell you a lot about, what may be going […]

Rough Idling Engine: What Does It Mean, How To Fix And Test It

02/24/2025

So, a rough idling engine, is a common problem, of which the exact cause, can be difficult to find. Also, the reasons for a rough idling engine can vary. With some being cheap easy fixes, […]

Spark Plug Health The Key to Optimal Engine Performance

Spark Plug Health Is Directly Linked, To Your Engines Performance

12/30/2024

Spark plug health, on today’s engines is very important, and if ignored, can cause serious problems. So, it stands to reason that, weak or bad spark plugs, are a big cause of concern. Spark plug health […]

Engine Misfire Issues: Causes, Symptoms And Solutions

12/10/2024

Engine misfire issues, will always cause your engine performance to suffer. Because, they affect fuel economy, emissions and idle quality. In addition, when a misfiring vehicle, is subjected to an emissions test, it will usually fail. […]

Comparing Spark Plug Color For A Quick Diagnosis

Spark Plug Color: Learn The Symptoms And Recommendations

11/23/2024

A visual inspection of the spark plug color will display symptoms, and conditions of what’s happening inside your engine. So, the experienced technician, can analyze the plugs, and track down the root cause of many […]

Rough Engine Idle and Misfires When Cold: GM V8 Engines

11/21/2024

Rough Engine Idle and Misfires When Cold on GM 4.8L, 5.3L, 6.0L engines is common, and getting harder to diagnose. As, GM V8 engines are prone to a rough idle, and engine misfire when cold. […]

High Engine Idle: Causes, Diagnosis, and Solutions

11/01/2024

So, what can cause, abnormally high engine idle speeds. Dealing with idle issues, can be quite frustrating, until you identify the cause of the problem. Once you do that, figuring out the correct solution to […]

Spark Plug Problems: Function, Failure And Replacement

10/03/2024

All spark plugs wear out as they age and at some point, will cause spark plug problems. Because, after enduring abuse for thousands of miles, you really can’t expect them to last forever. Good spark […]

Engine Surging: Causes and Solutions

10/02/2024

Engine surging, will cause the engine to momentarily lose (rpms). Then, suddenly regains normal engine speed. So, engine surging can affect drivability. And, can also cause error codes to appear in your OBD-II system. Consequently, […]

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