Volkswagen New Beetle. Manual - part 1394

 

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Volkswagen New Beetle. Manual - part 1394

 

 

Fig. 119: Scan Tool Display - Mass Air Flow Sensor (2 Of 7) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Press -0- and -8- buttons to select Function 08: "Read measuring value block".  

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Press -Q- button to enter input.  

Display will appear as shown: 

Fig. 120: Scan Tool Display - Mass Air Flow Sensor (3 Of 7) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Press -0-, -1- and -0- buttons to select "Display group 10".  

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Observe display in Display zone 1.  

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Specified Value: 200 to 450 mg/H 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Diesel Fuel Injection, 1.9L ALH - New Beetle

  

Fig. 121: Scan Tool Display - Mass Air Flow Sensor (4 Of 7) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

If specification not obtained: 

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Check Exhaust Gas Recirculation system  

See EXHAUST GAS RECIRCULATION (EGR), CHECKING . 

If specification obtained: 

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Accelerate vehicle in 3rd gear from about 1500 RPM under Wide Open Throttle (WOT).  

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Press PRINT button on VAG1551 at approx. 3000 RPM.  

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Specification in Display zone 4: 100% (Throttle position) 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Diesel Fuel Injection, 1.9L ALH - New Beetle

  

Fig. 122: Scan Tool Display - Mass Air Flow Sensor (5 Of 7) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

If specification not obtained: 

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Repeat test and accelerate vehicle under Wide Open Throttle.  

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Specification in Display zone 1: above 800 mg/H 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Diesel Fuel Injection, 1.9L ALH - New Beetle

  

Fig. 123: Scan Tool Display - Mass Air Flow Sensor (6 Of 7) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

If specification not obtained: 

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Replace Mass Air Flow Sensor -G70-.  

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Display the Readiness code. See READINESS CODE, DISPLAYING .  

If DTC memory was erased: 

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Set the readiness code. See READINESS CODE, SETTING .  

If 550 mg/H is constantly displayed in zone 1. 

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Press --> button.  

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Diesel Fuel Injection, 1.9L ALH - New Beetle

  

 

 

 

 

 

 

 

Content   ..  1392  1393  1394  1395   ..