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chico232
Novice
Nov 19, 2012, 11:58 AM
Post #1 of 12
(3270 views)
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i have a 1994 f-350 dually, when its hot it will not start once shut off until about an hour and half later, even then it sometimes takes a shoot of startinf fluid. any thoughts?
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 19, 2012, 12:25 PM
Post #2 of 12
(3254 views)
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Are you expecting us to guess what engine it has? Gas? diesel? Engine size?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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chickenhouse
Enthusiast
Nov 19, 2012, 12:26 PM
Post #3 of 12
(3249 views)
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Does it turn over normally when it's hot or does it sound like it's laboring to crank?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 19, 2012, 12:30 PM
Post #4 of 12
(3248 views)
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What engine? It's lacking fuel most likely. Check if it will react before that 1+1/2 hour while down and see if it will even sputter with starting fluid. If so concentrate on fuel issues starting with if you can even hear the fuel pump prime, take fuel pressure KOEO and later KOER for a clue,
T
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 19, 2012, 12:47 PM
Post #5 of 12
(3228 views)
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I guess everybody is assuming this is not a diesel.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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chico232
Novice
Nov 19, 2012, 12:53 PM
Post #6 of 12
(3221 views)
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sorry, its gas
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chico232
Novice
Nov 19, 2012, 12:55 PM
Post #7 of 12
(3217 views)
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yes it cranks very strong.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 19, 2012, 12:56 PM
Post #8 of 12
(3211 views)
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Knock yourself out and try also saying which of the 5 gas engines!
T
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chico232
Novice
Nov 19, 2012, 1:11 PM
Post #9 of 12
(3205 views)
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vin code g 7.1 litre v-8
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 19, 2012, 1:20 PM
Post #10 of 12
(3195 views)
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Code G = 7.5L engine. Pressure specs are as follows.............
35-45 PSI (Pounds per Square Inch)Position the ignition switch and the A/C system in the off position. Install a fuel pressure gauge to the vehicles fuel rail or fuel pressure test port.Confirm that no leaks are present, and visually verify the PSI reading on the gauge with the ignition in the on position.
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T
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chico232
Novice
Nov 19, 2012, 1:32 PM
Post #11 of 12
(3191 views)
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thank you, i will try that. i notice that i can't hear the pump when just turning the key to acc.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 19, 2012, 3:30 PM
Post #12 of 12
(3181 views)
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You wouldn't hear it in "acc" position ever. Key On Engine Off or KOEO is just the run position before it cranks the starter and where it ends up when you let go. It might be hard to hear at all depending on area noise. Doesn't matter if you are watching pressure it would power up for a couple seconds and show pressure that should hold without cranking engine at all. If much lower than spec it would struggle or not start. If within spec and doesn't start then injectors probably are not getting a pulse to do their thing.
If no pressure during that time we need to think of what could do that based on time? Try to narrow it down to find exact reason as several things could be the problem,
T
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