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P0452 Diagnostic Trouble Code Discussion for October 2008

Fuel Tank Pressure Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0452
Help Request Posted
1998 GMC K1500 Sierra SL 5.7L No Start, Stall VIN: 1GTEK19R8W
P0452: Fuel Tank Pressure Sensor Circuit Low Voltage. ... intermittent stall.We found that anytime it was driven for more than 20 minutes it would die and not restart for 5-20 minutes.We always get a hot spark but no fuel pressure.We installed a new pump but the problem persisted.The vehicle also sets a code P045...
October 03, 2008