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10-28-2015, 09:10 PM
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#1 | |
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AF Newbie
Join Date: Oct 2015
Location: Henderson, Tennessee
Posts: 7
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2003 5.7 Hemi, cranks but won't start.
Hello, I am new here. I have a 2003 Dodge Ram 2500 with a 2010 crate 5.7 hemi in it. Recently, I would go to start the truck, and it would just crank and not start, and the ETC light would come on. I'm able to cycle the key to off, then start it again when I give it gas. I try to clean the throttle body regularly, but it was clean today when I checked it. Sometimes it will start, and immediately the ETC light will come on, and the engine will miss very badly. If I plug a scanner into the truck when the light comes on, no codes are present. Any idea what may be causing this? Thanks for any help / suggestions!
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10-28-2015, 09:24 PM
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#2 | |
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AF - Advisor
 
Join Date: Mar 2004
Location: Nashville, Tennessee
Posts: 2,919
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Re: 2003 5.7 Hemi, cranks but won't start.
Do you know your fuel pressure?
__________________
1992 Bravada, 201K, stock 1997 Bravada, 101K, stock...was "called away"  "Cornbread Red", 2001 Dodge 2500,4X4,HO Cummins Diesel,QC,SWB,6spd.,Banks boost&pyro,US Gage fuel press.,Edge Drag Comp,4"exh.,cowl hood, bhaf, black Holley pump, 140gph...13psi WOT, Vulcan Big Line, kevlar/ceramic single disc clutch, cheapo fuel cooler, 8x.010" vco injector nozzles, Cat turbo 62-65-.70A/R, 497hp 1089 tq 8/25/14  Time to turn so's you don't burn. 
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10-28-2015, 09:26 PM
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#3 | |
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AF Newbie
Thread starter
Join Date: Oct 2015
Location: Henderson, Tennessee
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Re: 2003 5.7 Hemi, cranks but won't start.
No, I do not. How can I test this?
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10-28-2015, 09:31 PM
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#4 | |
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AF - Advisor
Join Date: Mar 2004
Location: Nashville, Tennessee
Posts: 2,919
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Re: 2003 5.7 Hemi, cranks but won't start.
On the passenger side of the engine, on the fuel rail is a fuel pressure test port.
There are fuel pressure test kits available at most chain type auto parts stores, (maybe you can rent one) and one at Harbor Freight for $20
__________________
1992 Bravada, 201K, stock 1997 Bravada, 101K, stock...was "called away" "Cornbread Red", 2001 Dodge 2500,4X4,HO Cummins Diesel,QC,SWB,6spd.,Banks boost&pyro,US Gage fuel press.,Edge Drag Comp,4"exh.,cowl hood, bhaf, black Holley pump, 140gph...13psi WOT, Vulcan Big Line, kevlar/ceramic single disc clutch, cheapo fuel cooler, 8x.010" vco injector nozzles, Cat turbo 62-65-.70A/R, 497hp 1089 tq 8/25/14 Time to turn so's you don't burn.
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10-28-2015, 09:34 PM
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#5 | |
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AF - Advisor
Join Date: Mar 2004
Location: Nashville, Tennessee
Posts: 2,919
Thanks: 112
Thanked 41 Times in 39 Posts
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Re: 2003 5.7 Hemi, cranks but won't start.
The pressure regulator is set for 49.2psi.
__________________
1992 Bravada, 201K, stock 1997 Bravada, 101K, stock...was "called away" "Cornbread Red", 2001 Dodge 2500,4X4,HO Cummins Diesel,QC,SWB,6spd.,Banks boost&pyro,US Gage fuel press.,Edge Drag Comp,4"exh.,cowl hood, bhaf, black Holley pump, 140gph...13psi WOT, Vulcan Big Line, kevlar/ceramic single disc clutch, cheapo fuel cooler, 8x.010" vco injector nozzles, Cat turbo 62-65-.70A/R, 497hp 1089 tq 8/25/14 Time to turn so's you don't burn.
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10-28-2015, 09:36 PM
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#6 | |
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AF Newbie
Thread starter
Join Date: Oct 2015
Location: Henderson, Tennessee
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Re: 2003 5.7 Hemi, cranks but won't start.
Okay, thank you! I'll get back to you on this! Also, only the window switches on the driver side door work, and the other ones (passenger side and rear window switches) do but very sporadically. Any idea what may be causing that to happen?
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10-28-2015, 09:41 PM
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#7 | |
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AF - Advisor
Join Date: Mar 2004
Location: Nashville, Tennessee
Posts: 2,919
Thanks: 112
Thanked 41 Times in 39 Posts
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Re: 2003 5.7 Hemi, cranks but won't start.
I don't know, maybe the switch contacts are corroded or dirty.
__________________
1992 Bravada, 201K, stock 1997 Bravada, 101K, stock...was "called away" "Cornbread Red", 2001 Dodge 2500,4X4,HO Cummins Diesel,QC,SWB,6spd.,Banks boost&pyro,US Gage fuel press.,Edge Drag Comp,4"exh.,cowl hood, bhaf, black Holley pump, 140gph...13psi WOT, Vulcan Big Line, kevlar/ceramic single disc clutch, cheapo fuel cooler, 8x.010" vco injector nozzles, Cat turbo 62-65-.70A/R, 497hp 1089 tq 8/25/14 Time to turn so's you don't burn.
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