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2002–2003 Acura RSX K20 fuel pressure test showing the factory 47–52 PSI specification and fuel system components.

What Fuel Pressure Should a 2002–2003 Acura RSX Have?

The 2002–2003 Acura RSX factory fuel pressure specification is 47–52 PSI (320–370 kPa). Here’s how to test K20 fuel pressure and diagnose readings outside the factory range.
1980s and 1990s performance cars gathering at Gold Bar Hangar for RADwood NorCal 2026 in Alameda

RADwood NorCal Returns With Free Admission, Full-Throttle Flybys and a $100K Build Challenge

RADwood NorCal returns October 24 with free admission, hundreds of retro vehicles, full-throttle runway demonstrations and a $100,000 creator build challenge.

Commonly Asked Alcohol Injection Questions

Alternative fuel options such as alcohol injection, E85 and race fuels have always been a part of tuning your turbocharged or supercharged vehicle. Adding...
LS1 engine block showing numbered main caps with directional arrows facing the front of the engine

LS1 Main Cap Orientation: Which Way Do the Main Caps Face?

LS1 main caps are identified by location and direction. Learn what the numbers mean, which way the main-cap arrows point, and how the caps are positioned before seating them in the block.
California used-car buyer reviewing dealership paperwork under the new three-day CARS Act cancellation law

California’s New Three-Day Used-Car Return Law Is Now in Effect

California’s new CARS Act gives eligible used-car buyers three days to return vehicles priced under $50,000. Here’s how the mileage limit, fees, refunds and dealer requirements work.

How To Install a 3 BAR MAP Sensor

If you are planning to turbo your Honda or Acura by installing a turbo kit, knowing how to install a 3 bar MAP sensor...

2005 Subaru STI ECU Pinouts

We break down the relevant STI ECU Pinout for the 2005 Subaru WRX STI, and show you what wires you will need if you are...
Porsche, Bugatti and Rimac performance cars representing Porsche’s completed exit from Bugatti Rimac and Rimac Group

Porsche Completes Its $1.2-Billion Exit From Bugatti and Rimac

Porsche has completed the sale of its interests in Bugatti Rimac and Rimac Group, collecting approximately €1 billion—or $1.2 billion—and ending its...