• Sign Up! To view all forums and unlock additional cool features

    Welcome to the #1 Fiesta ST Forum and Fiesta ST community dedicated to Fiesta ST owners and enthusiasts. Register for an account, it's free and it's easy, so don't hesitate to join the Fiesta ST Forum today!


400+psi pressure on A/C high....any guesses?

A

anarky321

New Member
U.S. Marine Veteran
#1
Messages
1
Likes
0
Location
charleston sc
#1
i was thinking maybe blocked expansion valve?

can a condenser or drier get blocked as well? or is the valve the most likely culprit? when you turn on A/C it just zooms straight to 400+ psi on the high
 


You must log in or register to reply here.
Thread starter Similar threads Forum Replies Date
S Steel Rims no tire pressure sensor and now wonky fuel gauge. Maintenance, Warranty Issues & Troubleshooting 16
Y Crank but No Start - Low Fuel Pressure Maintenance, Warranty Issues & Troubleshooting 18
W Higher than Normal Negative Crankcase Pressure Maintenance, Warranty Issues & Troubleshooting 14
Steve D 2020 Mk8 Fiesta ST (leaking oil pressure sensor) Fiesta ST Discussions 0
P Fuel pressure Fiesta ST Discussions 3
R Drone/pressure with new Thermal R&D exhaust under load only EcoBoost Engine Upgrades 9
N FS S280 turbo, Bosch Uprated Injectors, Xtreme-DI (XDI) Upgraded High Pressure Fuel Pump For Sale 14
S FS FS: XDI High Pressure Fuel Pump for Fiesta ST For Sale 1
O Clutch Pressure Bleeding From the Top vs Bottom Transmission & Drivetrain 1
A Clutch lost pressure Transmission & Drivetrain 3

Similar threads

Ford Community Posts



Top