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wont crank after new injector

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Old May 9, 2009 | 05:10 PM
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smokin'04's Avatar
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wont crank after new injector

well i have a 04 that i drove in the shop needing an injector.i put the injector in and now it wont start.no one in my area knows anything about these trucks,so i really have no one to ask.what is the trick to bleeding these fuel lines?could there be anything else that could cause my problems? thanks a lot
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Old May 9, 2009 | 07:19 PM
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pullin hard's Avatar
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From: Canada
you changed one injector?
is there fuel spilling onto the ground? check all lines, make sure no leaks.
it will take about 8 or so cranks to start, and will run rough and smoke a bit, let it run for like 5 mins, let it clear up, should run smooth after that.
if there is any fuel leaks, it wont start. i just turn the key to run, and let the lift pump prime, self bleeding, don't go and try to bleed it off.
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Old May 9, 2009 | 07:57 PM
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smokin'04's Avatar
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Originally Posted by pullin hard
you changed one injector?
is there fuel spilling onto the ground? check all lines, make sure no leaks.
it will take about 8 or so cranks to start, and will run rough and smoke a bit, let it run for like 5 mins, let it clear up, should run smooth after that.
if there is any fuel leaks, it wont start. i just turn the key to run, and let the lift pump prime, self bleeding, don't go and try to bleed it off.
this was the last injector i had to replace,and the only one i have had problems with.no fuel on the ground. i spent half the day trying to start it.
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Old May 9, 2009 | 08:02 PM
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BigIron70's Avatar
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From: Sunny Southern California Land of Fruits and Nuts
Did you follow the procedure for installing injector? If not then high pressure fuel tube in cylinder head maybe leaking causing a no start.
Tightening Sequence:
Install fuel injector holdown clamp (mounting flange) bolts. Do a preliminary tightening of these bolts to 5 N·m (44 in. lbs.) torque. This preliminary tightening insures the fuel injector is seated and centered.
After tightening, relieve bolt torque, but leave both bolts threaded in place.
Install high-pressure connector and retaining nut. Do a preliminary tightening to 15 N·m (11 ft. lbs.) torque.
Alternately tighten injector holdown bolts to 10 N·m (89 in. lbs.) torque.
Do a final tightening of the high-pressure connector and retaining nut. Tighten to 50 N·m (37 ft. lbs.) torque.
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