Acura TSX / Honda Accord CL. Manual - part 581

YES: Troubleshooting is complete.  

NO: If the screen indicates FAILED, go to step 1 and recheck. If the screen indicates NOT 
COMPLETED, go to step 6 and recheck.  

PCV VALVE INSPECTION & TEST 

1. Check the PCV valve (A), hoses (B), and connections for leaks or restrictions. 

Fig. 1: Checking The PCV Valve, Hoses & Connections 

2. At idle, make sure there is a clicking sound from the PCV valve when the hose between the PCV valve 

and intake manifold is lightly pinched (A) with your fingers or pliers. If there is no clicking sound, check 
the PCV valve washer for cracks or damage. If the washer is OK, replace the PCV valve and recheck. 

 

2004 Acura TSX 

2004 ENGINE PERFORMANCE PCV System - TSX

  

 

Fig. 2: Pinching PCV Valve Hose 

PCV VALVE REPLACEMENT 

1. Disconnect the PCV hose.  

2. Remove the PCV valve (A). 

 

2004 Acura TSX 

2004 ENGINE PERFORMANCE PCV System - TSX

  

 

Fig. 3: Removing The PCV Valve 

3. Install the valve in the reverse order of removal with a new washer (B). 

 

2004 Acura TSX 

2004 ENGINE PERFORMANCE PCV System - TSX

  

 

2004 ENGINE PERFORMANCE

PGM-FI System - TSX 

COMPONENT LOCATION INDEX 

Fig. 1: Locating PGM-FI System Components (1 Of 3)

 

2004 Acura TSX 

2004 ENGINE PERFORMANCE PGM-FI System - TSX

  

 

2004 Acura TSX 

2004 ENGINE PERFORMANCE PGM-FI System - TSX