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Saturday, September 19, 2026
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Press Release

Press Release : Demon’s 625 Carburetor is Released!

John Huh - February 9, 2012
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Popular FAQ

How To Test a Ford Mustang Crank Sensor

John Huh - January 17, 2016
2
The Mustang crank sensor in your Ford is a variable sensor that reads the crankshaft position and how fast the crankshaft is moving.  Your Ford...
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The California Star Smog Station and You

John Huh - July 31, 2014
2
It’s definitely a new age for enthusiasts that live in California after the recent smog bill AB2289 was passed by the California State Legislature....
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Is It Illegal to Modify Cars?

John Huh - May 14, 2016
0
America's love for upgrading and modifying the automobile is a pastime that spans over many generations. It's a passion that's a part of our...
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How To Install a Turbo Timer – Honda Accord

John Huh - September 8, 2014
2
The work that the turbo timer or auto timer is responsible for is a very important one in your turbocharged vehicle. Whether you have...
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Porsche Cayenne Turbo Electric launching on a drag strip during a 9.5-second quarter-mile test

The 1,139-HP Porsche Cayenne Turbo Electric Runs a 9.5-Second Quarter-Mile

John Huh - September 12, 2026
0
Independent testing sends the 5,960-pound Porsche Cayenne Turbo Electric to 60 mph in 2.1 seconds and through the quarter-mile in 9.5 seconds.
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DTC P1121 – How to Service your Civic Throttle Position Sensor

John Huh - August 15, 2014
1
The OBDII trouble code P1121 is due to your throttle position sensor signal being lower than expected by your ECU. Problems that arise from this OBDII...
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How To Test a Toyota Corolla Fuel Injector

John Huh - January 16, 2016
4
Over time one or more of the Corolla Fuel Injector in your sedan can become clogged or even fail. When this happens your 1.6 liter...
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Synthetic vs Conventional Oil: Which Wins?

Synthetic vs Conventional Oil: Which Wins?

Hope @ProStreet - August 26, 2026
0
Synthetic vs conventional oil affects engine protection, change intervals, and cost. Learn which oil fits a daily driver, tow rig, or performance build.
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My Pro Street
Pro Street Online is your number 1 source for How To articles, DIY guides and the latest and greatest in automotive news. Drop me a line if you have any questions!
Contact us: john@prostreetonline.com

EVEN MORE NEWS

When Brake Lines Need Replacement and Why

When Brake Lines Need Replacement and Why

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Technician checks a modified street car on a chassis dynamometer inside a California emissions-testing shop.

California’s SB 1069 Gives Tested Aftermarket Parts a Faster Route to...

September 18, 2026
Technician inspecting the steering-rack mounting area beneath a Volkswagen SUV

Volkswagen Recalls 208,724 Vehicles Because a Steering-Rack Bolt May Break

September 18, 2026

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