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EricFromCT, Ford Technician
Category: Ford
Satisfied Customers: 3947
Experience:  20 years dealership exp., ASE A1-A9 L1 L2, Ford Lincoln Mercury Senior Master, Diesel Certified
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It will start but it wont stay running surges then dies out

Customer Question

it will start but it won't stay running surges then dies out
Submitted: 6 years ago.
Category: Ford
Expert:  EricFromCT replied 6 years ago.
Hi. Is this a 24 valve 3 liter or a 12 valve 3 liter? Thanks, Eric
Customer: replied 6 years ago.
itsa24 valve
Expert:  EricFromCT replied 6 years ago.
Ok. Thanks. The most common cause are the intake gasket o-rings go bad causing a vacuum leak. The other common cause is the pcv vacuum hose, swells up and deteriorates and causes a vacuum leak. That hose is located under the throttle body area, You can try and listen for a vacuum leak sound, or use brake cleaner and spray around and check for a change in engine RPM. Thanks, Eric