spray starting fluid in throttle body to keep running

1989 FORD F-150
150,000 MILES
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M.MORRIS
  • MEMBER
  • 2 POSTS
300 six - pumps are running but no fuel is going in. have check fuel regulator an fuel filter .have also replaced eec relay an throtle body position sensor.acts like injectors are not opening is there a way to test them or what would hold them out.
Sep 18, 2011 at 12:55 PM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Use a gage and check fuel pressure, to start. Use a noid lite at injector plug, see if there is a pulse, engine cranking.
Sep 18, 2011 at 1:10 PM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Check for voltage at the injector, red wire, goes hot with key on.
Sep 18, 2011 at 1:19 PM
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M.MORRIS
  • MEMBER
  • 2 POSTS
can add a little 2+2 to throttle body and motor will start but will not idle have to hold pedal a little to keep running
Sep 25, 2011 at 3:24 PM
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RACEFAN966
  • ✓Experienced Mechanic
  • 5,029 POSTS
Sounds like one of the pumps are not working. Do you have 1 or 2 tanks? Does it do this on both tanks? Get back to me and we will go from there.
Sep 26, 2011 at 9:52 PM
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