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A Chevrolet Bolt spotted with a belt-driven generator on its rear wheel has gone viral. Engineers say it can’t actually ...
11/22/2025

A Chevrolet Bolt spotted with a belt-driven generator on its rear wheel has gone viral. Engineers say it can’t actually create free energy and might waste more power than it saves. Would you ever try a hack like this?

The broadband oxygen sensor uses a plane zirconia element with internal pumping and measuring cameras that allow you to ...
11/22/2025

The broadband oxygen sensor uses a plane zirconia element with internal pumping and measuring cameras that allow you to accurately read the air-fuel relationship at a much wider range than a conventional narrowband sensor. Its design integrates a quick-response ceramic heater that brings the sensor to operating temperature in seconds, ensuring stable measuring even in variable charge conditions. Thanks to its pumping cell, the Engine Control Module (ECU) regulates an internal current to maintain a specific level of oxygen inside the chamber, and the magnitude of that current is directly representing the real mixture in real time.
In the observed installation, the sensor is located before the catalyst, which is where a broadband sensor must work to directly monitor the mixture and allow for precise injection and ignition adjustments. This type of sensor is extremely sensitive to exhaust leaks, oil, lead or silicone contamination, and nearby welds that can overheat it, so its operation depends on a clean, airtight and correctly oriented assembly. A misreading of this sensor immediately impacts the blending strategy, being able to generate poor, rich blend, increased consumption and activation of codes such as P2195, P2196, or P0171-P0172.

The Knock Sensor is one of the most vital and sensitive sensors in a modern engine. Its job is to constantly "listen" fo...
11/22/2025

The Knock Sensor is one of the most vital and sensitive sensors in a modern engine. Its job is to constantly "listen" for abnormal vibrations or "knocking" (pre-ignition or detonation) caused by irregular combustion of the air-fuel mixture inside the cylinders. Upon detecting a knock, it instantly signals the Engine Control Unit (ECU) to re**rd the ignition timing, protecting the engine from catastrophic damage.
​When this sensor malfunctions, the engine exhibits the following symptoms:
​1. Warning Light (Check Engine Light)
​Description: The "Check Engine" light illuminates on the dashboard.
​Cause: The ECU logs a Diagnostic Trouble Code (DTC) indicating that the sensor is not sending a signal or is sending an implausible signal.
​2. Reduced Performance
​Description: You experience a noticeable drop in engine power, especially when accelerating or driving uphill.
​Cause: Since the computer can't trust the sensor (or knows it's failed), it defaults to a safe, highly conservative strategy: permanently re**rding the ignition timing. This delay significantly reduces combustion efficiency and engine power.
​3. Actual Engine Knocking
​Description: You clearly hear a metallic "pinging" or "rattling" sound coming from the engine, often under load or acceleration.
​Cause: If the sensor is completely dead, the ECU loses its ability to pull back the ignition timing when real knocking occurs. This uncontrolled abnormal combustion can cause severe, long-term damage to pistons or valves.
​4. Increased Fuel Consumption
​Description: You notice a significant drop in fuel economy, resulting in more frequent trips to the gas station.
​Cause: The engine is running at a severely re**rded timing angle due to the ECU's safe mode. This low-efficiency operation requires the engine to inject more fuel to maintain the desired speed or power output.
​Technical Tip: A damaged knock sensor should be replaced as soon as possible, as ignoring it can lead to permanent damage to engine internals from prolonged, uncontrolled detonation.
​


Automotive sensor classification based on their function within the engine and control system.Starting with temperature ...
11/22/2025

Automotive sensor classification based on their function within the engine and control system.

Starting with temperature sensors:

• Coolant (ECT): tells the ECU how hot the engine is to adjust the fuel mixture and ignition timing. When it malfunctions, fuel consumption increases, the cooling fan behaves erratically, and the check engine light may illuminate.

• Oil: monitors the lubricant temperature; if it reads incorrectly, it can activate protection modes and reduce performance.

• Air (MAF): measures the intake air to calculate the exact fuel mixture. If it is dirty or damaged, you will notice jerking, rough running, and a strong smell of gasoline.

Next, pressure sensors:

• Oil: confirms that the engine has the correct pressure to prevent running dry. If the pressure drops or the sensor fails, you will see an oil pressure warning light and hear metallic noises.

• Fuel: monitors the pressure in the fuel rail/pump; malfunctions here result in power loss and hard starting. • Intake (MAP): In the intake system, the MAP sensor helps the ECU determine how much air is entering to maintain the correct air-fuel mixture.

Then, by position:

• Camshaft Position Sensor (CMP): Determines the valve opening phase; errors cause jerking and stalling.

• Crankshaft Position Sensor (CKP): Marks the exact point of each combustion; if it fails, the engine won't even start.

• Throttle Position Sensor (TPS): Throttle position sensor/throttle body; failures cause delayed acceleration or limp mode.

And then there are the emissions sensors:

• NOx: Controls nitrogen oxide emissions, crucial in modern engines with after-treatment systems; failures increase emissions and can limit power.

• Oxygen Sensor (Lambda Sensor): Corrects the air/fuel mixture in real time; when it fails, fuel consumption increases and there's a strong smell of raw gasoline.

After years of studying I have perfected the perfect crankshaft. Golf ball dimpling took it to the next level!✅️less bea...
11/22/2025

After years of studying I have perfected the perfect crankshaft. Golf ball dimpling took it to the next level!

✅️less bearing surface area so reduces drag
✅️50% more aerodynamic
✅️stress relief to prevent cracking
✅️up to 30% more power and torque
✅️Basically NASA level technology

Engine overheating is an emergency condition that can lead to severe damage, such as a blown head gasket. It happens whe...
11/22/2025

Engine overheating is an emergency condition that can lead to severe damage, such as a blown head gasket. It happens when the cooling system fails to remove excess heat generated by combustion. This chart highlights the six critical parts to check when overheating occurs:
​Mechanical Component Failures:
​Damaged water pump: The pump fails to circulate the coolant (antifreeze) through the engine block and radiator.
​Damaged thermostat: It remains closed and prevents the hot coolant from reaching the radiator to be cooled.
​Damaged fan: The fan (electric or mechanical) fails to pull air across the radiator to cool the fluid, especially when idling or driving at low speeds.
​Blocked or damaged radiator: If the radiator is clogged with rust or deposits, the hot coolant cannot efficiently dissipate heat.
​Pressure and Fluid Level Issues:
​Faulty radiator cap: The cap fails to maintain the correct pressure within the system, which lowers the coolant's boiling point and causes it to boil over.
​Low coolant level: Insufficient coolant means the pump cannot circulate fluid to cover all critical engine parts, leading to hot spots and overheating.
​Immediate Action: If your engine overheats, turn off the car immediately and never open the radiator cap while the engine is hot and pressurized.
​


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11/22/2025

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When we talk about tires, it's not just their quality and performance that matter; it's also interesting to know the ori...
11/22/2025

When we talk about tires, it's not just their quality and performance that matter; it's also interesting to know the origin of each brand.

For example, Goodyear and BFGoodrich, from the United States, have been pioneers in innovation and durability, with a strong presence in racing and off-road vehicles. Continental, from Germany, stands out for its precise engineering and safety advancements, while Michelin, from France, is synonymous with comfort and durability, with a long tradition in the automotive world.

Pirelli, from Italy, is known for its design and high performance, closely linked to Formula 1. In Asia, Bridgestone and Yokohama (Japan) combine advanced technology and reliability, while Hankook, from South Korea, has grown impressively thanks to its focus on innovation and global competitiveness. Finally, Dunlop, originally from the United Kingdom, was one of the brands that laid the foundations of the modern tire industry.

Did you know where each of these brands that accompany us every kilometer of the way comes from?

Type's of sensor
11/22/2025

Type's of sensor

🚗💨 How to Spot & Fix a Faulty MAF Sensor Like a Pro! 🔧🧠Is your car acting weird lately? 🤔 A bad Mass Air Flow (MAF) sens...
11/21/2025

🚗💨 How to Spot & Fix a Faulty MAF Sensor Like a Pro! 🔧🧠
Is your car acting weird lately? 🤔 A bad Mass Air Flow (MAF) sensor might be to blame!
Here’s how to detect it and what to do next! 👇👇
⚠️ Common Signs of a Faulty MAF Sensor:
🔹 Rough idling
🔹 Power loss
🔹 Poor fuel economy
🔹 That annoying Check Engine Light 🔥
🔍 How to Test a MAF Sensor:
👀 1. Visual Check: Look for dirt, oil, or visible damage.
🔌 2. Unplug Test: Disconnect the MAF — if engine performance changes, that’s a clue!
📟 3. Scan for Codes: Use an OBD2 scanner to check for related error codes.
🔋 4. Multimeter Test: Measure voltage or signal output (check your service manual for specs).
🛠️ How to Fix a Bad MAF Sensor:
🧴 Clean it: Use MAF-specific cleaner spray — never touch the wire!
🔌 Inspect Wiring: Look for damaged wires or loose connectors.
💨 Check for Air Leaks: Inspect the intake system for cracks or loose clamps.
🔁 Replace if Needed: If it’s too far gone, swap it for a new one.
💡 Pro Tip:
Keep your air filter clean and check the MAF regularly to avoid future engine headaches! 🧰💪
Stay ahead of the game — smooth ride, happy engine!

Car Wiper Motor System ✅
11/21/2025

Car Wiper Motor System ✅

What caused this brake pad to wear down like that?A) Ignoring grinding noise for too longB) Faulty caliper stuckC) Cheap...
11/21/2025

What caused this brake pad to wear down like that?
A) Ignoring grinding noise for too long
B) Faulty caliper stuck
C) Cheap aftermarket pad
D) Overheating from aggressive braking

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New York, NY
10016

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