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Dodge Dakota Starting Problems

103 messages, Last post on Nov 16, 2009 at 2:18 AM
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I have a 2K Dak CC with a 4.7 5 speed and I am having problems with the first start of the day. It cranks for about 10 seconds before starting but then starts immediately for the rest of the day. The battery has just been replaced and the plugs are not very old. I am not throwing any codes. I have tried turning the ignition on for a while before cranking to see if there was any lag with the fuel pump but that has not made any difference. I do not think this is weather related since this began at the end of summer. Aside from this the truck runs great. Anyone have any ideas as to what is causing this? Ron
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Replying to: sdisney (Nov 17, 2008 8:12 am) Regards, Dusty |
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Replying to: ronslakie1 (Nov 24, 2008 4:40 pm) Regards, Dusty |
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Replying to: ronslakie1 (Nov 24, 2008 4:40 pm) I had a 2002 Dodge Dakota 4.7L and I had exactly the same problem. This is not electrical problem!!! Do not touch it. I replaced fuel pump and everything went back to normal. I believe that there is not enough pressure build up for the first start in old pump. New fuel pump will solve that problem. It is located on top of fuel tank. This is a well known defect on these vehicles as I found out later. Good luck. Toli |
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Thanks for your replies. To answer Dusty - on the first start of the day I will have to crank it for 6 to 8 seconds before it starts. I have never shut it down right away and tried starting it again but for the rest of that day, even after siting for several hours there will be no problem starting it. It is just the initial start after sitting overnight. I have tried turning the ignition to the on position for about 10 seconds to get the fuel pump started without cranking it but that has not made any difference. Ron
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Replying to: ronslakie1 (Nov 26, 2008 4:55 am) |
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Replying to: ronslakie1 (Nov 26, 2008 4:55 am) When I've seen Dakota pumps fail they are not often intermittent like this. The one fuel pump related issue that I'm familiar with that matches your symptom, was not the a pump failure, but a clogged inlet filter on the pump. This was not discovered until after disassembly and the new pump was installed. As was told to me, when the pump was shaken all kinds of "crap" fell out. What is a more likely failure scenario, in my opinion, is a faulty Fuel Pressure Regulator, however, it is an integral part of the pump anyway. That aside for the moment, what I have seen on older (2000-2003) Dakotas (and a couple of RAMs, too) are intermittent Auto Shut Down (ASD) Relays. The ASD Relay prevents power to the coils and fuel injectors in the event of a rollover. The older relays were manufactured by Emrod and are usually dark red in color, the newer ones are black and made by Tyco. The part number is 56049018-AA. Look at the last two alpha characters on the relay part number. Chrysler uses these characters to denote a change to the part. In my 2003 these are marked "AB," meaning the part has been revised from the original. Since the cost of this part is relatively inexpensive compared to a fuel pump, I would suggest looking at this as a possible suspect. The ASD Relay can be switched with another in the Power Distribution Center box as a trial. There is also a Fuel Pump Relay in the PDC that could cause the same problem. Also, inspect the relay pins for signs of corrosion. Of course, there are other things that could cause this problem, like an intermittent Crankshaft or Camshaft Sensor. Best regards, Dusty |
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Dusty - Thanks for your response. This does seem to be intermittent since right now I am not having any problems. I have filed your post and if it acts up again I'll check further. Ron |
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Replying to: sdisney (Nov 17, 2008 8:12 am) |
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Not every time, but if my 2001 Dakota sits more than about 7 hours, it is very hard to get it to start. Any thoughts.....
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