Sometimes my 1994 F150 won't start until I push the little valve stem in the gas line> What is the purpose of the valve stem?

Asked by Nov 14, 2014 at 08:27 PM about the 1994 Ford F-150 XLT SB

Question type: Maintenance & Repair

I have a problem starting my 1994 Ford F150 sometimes. It will turn over but will not start. I can take the cap off the little valve stem in the fuel line and release a little gas and it will start.

3 Answers

61,135

May be bad fuel pressure regulator,

180

Check fuel lines for any kinks.and check fuel pump^^

17,245

Last time that happened to me the fuel pressure was so low the heat from the engine made the fuel vaporize in the line. Pressing the Schrader valve brought some liquid fuel and it was able to run for a little before dyeing again

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