Acura TSX / Honda Accord CL. Manual - part 493

1. Relieve the fuel pressure (see FUEL PRESSURE RELIEVING ).  

2. Disconnect the quick-connect fitting (A). Attach the fuel pressure gauge set and the fuel pressure gauge. 

Fig. 22: Attaching The Fuel Pressure Gauge Set & The Fuel Pressure Gauge 

3. Start the engine and let it idle. 

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If the engine starts, go to step 5 .  

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If the engine does not start, go to step 4.  

4. Check to see if the fuel pump is running: listen to the fuel filler port with the fuel fill cap removed. The 

fuel pump should run for 2 seconds when the ignition switch is first turned on. 

 

2004 Acura TSX 

2004 ENGINES Fuel Supply System - TSX

  

 

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If the pump runs, go to step 5.  

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If the pump does not run, do the fuel pump circuit troubleshooting (see FUEL PUMP CIRCUIT 
TROUBLESHOOTING ).  

5. Read the fuel pressure gauge. The pressure should be 330-380 kPa (3.4-3.9 kgf/cm

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 , 48-55 psi). 

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If the pressure is OK, the test is complete.  

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If the pressure is out of specification, replace the fuel pressure regulator (see FUEL PRESSURE 
REGULATOR REPLACEMENT ) and the fuel filter (see FUEL FILTER REPLACEMENT ), 
then recheck the fuel pressure.  

FUEL TANK DRAINING 

1. Remove the fuel pump assembly (see Fuel Pump/Fuel Gauge Sending Unit Replacement ).  

2. Using a hand pump, a hose, and a container suitable for gasoline, draw the fuel from the fuel tank.  

FUEL LINE INSPECTION 

Check the fuel system lines and hoses, for damage, leaks, and deterioration. Replace any damaged parts.

 

2004 Acura TSX 

2004 ENGINES Fuel Supply System - TSX

  

 

Fig. 23: Checking The Fuel System Lines & Hoses 

Check all clamps and retighten if necessary.

 

2004 Acura TSX 

2004 ENGINES Fuel Supply System - TSX

  

 

Fig. 24: EVAP System Hoses & Clamps 

 

2004 Acura TSX 

2004 ENGINES Fuel Supply System - TSX