So, would you say; that the car is "hesitating" under boost/load? Please post any and all trouble codes you are seeing. You might have a boost leak (check hoses) or boost actuation issue (diverter valve, boost actuator valves etc). Check out this thread for more info:
http://newbeetle.org/forums/1-8-lit...ock-motor-apr-aftermarket-vs-stock-bosch.html
If you want to test your fuel pump; you can buy a cheap tester at places like harbor freight and test it yourself
($20: look for a extra 20% off coupon).
Fuel Injection Pump Tester
Pittsburgh Automotive - Item#92699[/B]
Fuel Pressure Tester & Fuel Injection Pump Tester
Fuel Pressure: Specifications
System Pressure FUEL PRESSURE
Vacuum Connected: 2.5 bar
Vacuum Disconnected: 3.0 bar
Residual Pressure:
After 10 minutes there must be a residual pressure of at least: 2.0 bar.[/B]
Here are the fuel pressure testing procedures:
Volkswagen Workshop Manuals > New Beetle L4-1.8L Turbo (AWP) (2003) > Maintenance > Tune-up and Engine Performance Checks > Fuel Pressure > System Information > System Diagnosis > With Manufacturer's Scan Tool
http://newbeetle.org/forums/1-8-lit...ock-motor-apr-aftermarket-vs-stock-bosch.html
If you want to test your fuel pump; you can buy a cheap tester at places like harbor freight and test it yourself
($20: look for a extra 20% off coupon).
Fuel Injection Pump Tester
Pittsburgh Automotive - Item#92699[/B]
Fuel Pressure Tester & Fuel Injection Pump Tester
Fuel Pressure: Specifications
System Pressure FUEL PRESSURE
Vacuum Connected: 2.5 bar
Vacuum Disconnected: 3.0 bar
Residual Pressure:
After 10 minutes there must be a residual pressure of at least: 2.0 bar.[/B]
Here are the fuel pressure testing procedures:
Volkswagen Workshop Manuals > New Beetle L4-1.8L Turbo (AWP) (2003) > Maintenance > Tune-up and Engine Performance Checks > Fuel Pressure > System Information > System Diagnosis > With Manufacturer's Scan Tool
Never mind. It sounds like it's getting too much air for the amount of fuel and I believe the Hockey puck valve is suppose to regulate that unless it's stuck in the open position.....my 2 cents on this. good luck.
