fuel line depressurizine while sitting

Asked by Aug 24, 2015 at 01:58 AM about the Mazda MX-3

Question type: Maintenance & Repair

while sitting for while , car wont start on first try, wait a few seconds car starts and runs
with no problems. checked fuel line at intake. turn key on , fuel trickles out ,turn off wait a
few secs, turn back on fuel flows like no tomorrow

1 Answer

107,595

Could be the fuel regulator, leaking injectors or the check valve inside the in tank fuel pump, you won't really know unless you do a complete fuel system test, that way you would know if it is the pressure side or the return that is causing the drain back

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