Aerio L4-2.3L (2006)
7) Measure fuel pressure at idling. If measured pressure doesn't satisfy specification, check each possibly defective part. Replace if found defective.
Fuel pressure specification
With fuel pump operating and engine stopped: 270 - 310 kPa 2.7 - 3.1 kgf/cm2, 38.4 - 44.0 psi
At specified idle speed: 220 - 260 kPa 2.2 - 2.6 kgf/cm2, 31.3 - 36.9 psi
With 1 min. after engine (fuel pump) stop (Pressure reduces as time passes): over 200 kPa 2.0 kgf/cm2, 28.4 psi
8) After checking fuel pressure, remove fuel pressure gauge.
WARNING: As fuel feed line is still under high fuel pressure, make sure to release fuel pressure.
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Place fuel container under joint.
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Cover joint with rag and loosen joint nut slowly to release fuel pressure gradually.
9) Remove special tools from fuel delivery pipe.
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Connect fuel feed hose to delivery pipe Securely.
11) With engine "OFF" and ignition switch "ON", check for fuel leaks.
