2001 Dodge Ram slow starting

Tiny
FFRET50
  • MEMBER
  • 2001 DODGE RAM
  • 5.9L
  • 6 CYL
  • TURBO
  • 2WD
  • MANUAL
  • 185,000 MILES
Cummings diesel 5.9 cranks 5-10 seconds before starting. After starting it run fine with no problem. No drop in voltage while driving. Batteries tested good. If I connect a battery charger the engine starts right up and runs fine. I had a new lift pump and internal fuel injector pump replaced 18 months ago, a new starter 6 months ago and a new hydraulic clutch assembly 2 weeks ago.
Thanks for your help
Jay
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Thursday, June 11th, 2015 AT 5:52 AM

9 Replies

Tiny
KHLOW2008
  • EXPERT
Batteries can test good but when on vehicle, it might not be at its best and that seems to be the case here. Have the batteries voltage checked while cranking.
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Thursday, June 11th, 2015 AT 8:52 AM
Tiny
FFRET50
  • MEMBER
The engine starts up right away when cold. After it gets hot, it takes several seconds to start. I did have to replace the starter but the problem still exists. It acts like it's not getting fuel right away when it's hot.
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Thursday, June 25th, 2015 AT 8:48 AM
Tiny
KHLOW2008
  • EXPERT
Have you tried checking for trouble codes? Some codes do not trigger any warning indicator lights.
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Friday, June 26th, 2015 AT 8:54 AM
Tiny
FFRET50
  • MEMBER
I have not, so I shall.
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Friday, June 26th, 2015 AT 8:58 AM
Tiny
KHLOW2008
  • EXPERT
Do so and let us know if anything crops up.
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Friday, June 26th, 2015 AT 9:20 AM
Tiny
FFRET50
  • MEMBER
No diagnostic codes were found.
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Friday, June 26th, 2015 AT 1:23 PM
Tiny
KHLOW2008
  • EXPERT
Without any diagnostic codes it can only mean a mechanical cause. At 185k miles, the engine might have dropped a few percentage on its compression and this can affect its startability. The other possibility is that the fuel injectors might require servicing.
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Saturday, June 27th, 2015 AT 5:25 AM
Tiny
FFRET50
  • MEMBER
Sea Foam solved the problem.
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Sunday, September 13th, 2015 AT 4:47 PM
Tiny
KHLOW2008
  • EXPERT
Glad that you have solved the problem and thanks for the input.
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Saturday, September 26th, 2015 AT 5:20 AM

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