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Spray starting fluid in throttle body to keep running

Tiny
M.MORRIS
  • MEMBER
  • 1989 FORD F-150
  • 150,000 MILES
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.
Sunday, September 18th, 2011 AT 7:55 PM

4 Replies

Tiny
JDL
  • 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.
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Sunday, September 18th, 2011 AT 8:10 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Check for voltage at the injector, red wire, goes hot with key on.
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Sunday, September 18th, 2011 AT 8:19 PM
Tiny
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
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Sunday, September 25th, 2011 AT 10:24 PM
Tiny
RACEFAN966
  • 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.
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Tuesday, September 27th, 2011 AT 4:52 AM

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