LONG CRANK TIME

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NEW OWNER OF 96 RAM HERE ,YOU HELPED ME OUT WITH MY HIGH MOUNTED STOP LAMP/ REAR SLIDER WATER LEAK NO THAT MY CARPET IS DRY AND MY INTERIOR SMELLS BETTER I NEED INFO ON A LONG CRANK TIME. I WOULD SAY 1 OUT OF EVERY 10 STARTS USUALLY WHEN COLD IT TAKES 2 OR 3 20 SECOND CRANK TIMES TO START ITS ALMOST LIKE THE FUEL SYSTEM LOOSES PRIME ANY INFO WOULD BE GREAT

 

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Do a search on "return line" This should give you plent to go on. #ad


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1972 Chinook class C with 96/215 5spd, 4/5" exh, 4"BD, MagHytec, 85gal fuel, K&N RE0880, AutoMeter, 370's, BD gov kit, BD afc kit, 16cm, yada-yada-yada
www.fostertruck.com/cummins

 

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Check the "overflow" valve, it may be bad.

 

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I say check the lift pump.
The lift pump is engine powered, mounted under the fuel filter, draws from the tank & presurizes the injector pump.
A very very common failure on the Cummins. A 96 probably has 60k+ miles and that is the 1st warning.

Cheers;
*JE*

 

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All three are good possibilties. I would check the archives on all three( try- Hard to start, fuel lines, return fuel valve, fuel pump or lift pump). All three would have similar hard to start symptoms.
I would take close look at fuel lines(rubber first as these are the cheapest fix. The archives will tell you which is the most frequent problem.
By cold I take it the engine is cold and you have the most trouble starting it the first time.
I would also check pre-filter some times it will plug up with white stuff(wax) especially in cold country and your fuel heater isn't working up to par.
At 108,000 my fuel(lift) pump is still doing good. My fuel supply line has been changed out and may be the return line also during a long stay at Dodge for warranty work. Some of the lines have screw clamps but one line still has factory clamp on it.
When it does start is there any smoke from tail pipe? What color is it? Is the engine hard to start when cold outside(under 50)?

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Missouri Mule 96 White 4X4 ST club cab,(grey int. ),5 spd, 3. 54 reg dif, 8 ft bed, 1 ft high cheater boards, front and side of bed,Pofile V bug shield,
99 Freight liner FL60 blue Cummins 24v 215 hp, 520 torgue,6 spd 3. 59 no spin rear, 16 ft dry box (white) 19. 5 low profile tires,Weight 11,000, gvw 23000, 11 to 12 mpg
Bill Thomas (Wild Bill)

 

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I would also check the minimum idle screw to see if the lock nut has come loose. My 97 was cranking longer than normal and the idle spped screws lock nut was loose and I had lower than normal idle speed, causing it to crank longer than before.

 

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td96ram, my 96 did the same thing until the fuel return line actually started leaking fuel. Changed it out and not only did my rapid start come back, but BOY was I loosing POWER in increments over the last couple of months. Didn't realize it until I got all my power BACK! Look/change out the return line out first, mine was full of pin holes. I read somewhere that the OEM hose is not rated for fuel, only emmissions and that is why it goes out so fast. Lots of luck and, Happy Rammin, Dave

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Dave Hauser, 96 3500 4x4 extended, auto 4:10 LSD, K&N, tow hooks, fog lights, custom front reciever hitch and mount for 8000 Ramsey winch, alum diamond plate box and running boards, Dodge dually mudflaps, tow 18' flatbed, 69 Vette, 89 HD FLHS