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P1172 Diagnostic Trouble Code Discussion for January 2006

Secondary Fuel Pump Insufficient/No Fuel Flow

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Trouble Ticket Help Requests for DTC P1172
Help Request Posted
2000 Volkswagen Passat GLS 1.8L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: WVWMA23BXY
P1172: throttle actuation potentiometer signal low. car will not idle while cold, after working acc. pedal for 3 to 5 minutes, engine warms up and begins to idle. while warm,on a slow rev it will cut out at 1800 rpm.but,if you work the acc pedal it will rev past 1800. after printout with vag 1551 and then cle...
January 18, 2006