P0452 Code Your Essential Fuel System Troubleshooting Companion

gmtech4 ... The fuel tank pressure (FTP) sensor measures the difference between the air pressure or vacuum in the evaporative emission (EVAP) ... The Fuel Tank Pressure sensor voltage decreases (positive pressure, low voltage) as the fuel tank pressure increases. The PCM uses the Fuel Tank ... I understand that you have already done extensive troubleshooting and replaced the EVAP pressure sensor, repaired the harness, and even replaced the ECM, but ... STEP 1. Using scan tool MB991958, check data list item 52: Fuel Tank Differential Pressure Sensor. (1)Connect scan tool MB991958 to the data link connector. sensor replacement and wire fix. common problem. SHOW YOUR SUPPORT SUBSCRIBE TO THE CHANNEL! Follow the link I posted. There is NOT a fuel pressure sensor. It's a purge solenoid problem, not fuel pressure. It's saying there is pressure ... Well, the dealer is where you should take the car. You paid for the new car warranty. Might as well get your money's worth. My research ... It is part of the fuel sender unit, which is on top of the fuel tank, under the rear seat on the left (USA driver's) side. Unless there is an ... Claim your FREE engine code eraser https://free.nonda.co ============================= Engine Code GMC P0452 Saving Repair Parts: Gas ... How to troubleshoot an EVAP Pressure Sensor problem P0452 - GM ... In this video we will be cover all the necessary testing procedures for trouble code P0452 " ...