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Discussion Starter #1
Hello Everyone.

I am trying to figure out a problem my GF is having with her challenger. Its only got 25000 miles on it. She left for work Friday morning and drove the car on a 2 drive with no issues. However, when she went to leave work that afternoon the car would not start. It would crank but would not start up. She had it towed to a local dodge dealership and they had no issues starting the car and returned it to her. She drove it another 2 hour trip home no issues. She got to my parents house to pick up our son and same thing happened. The car would crank but not start. She tried both key fobs and same thing. I also tried to start the vehicle to no success. The car is also showing no check engine lights on the dash. She is about to have it towed again to a dealership near our home but I would really like to see if anyone has experienced this with their vehicles so I can try and help before she has to fork out a ton of money at the dealer. Any suggestions/ information would be appreciated.

-Bryan
 

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That's a tuff one to guess at, did the dealer find any fault codes stored? If I had to guess at it, I would suspect a crank sensor going open when the car heat soaks after shut down, then works again when it cools off.
 

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Discussion Starter #4
The car is completely original down to the tires with the exception of a short ram intake which was installed 2 years ago. I can suggest the battery. I agree this is something strange (at least to me) and was not sure if there was a common problem with challengers that may be causing this.
 

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Hello Everyone.

I am trying to figure out a problem my GF is having with her challenger. Its only got 25000 miles on it. She left for work Friday morning and drove the car on a 2 drive with no issues. However, when she went to leave work that afternoon the car would not start. It would crank but would not start up. She had it towed to a local dodge dealership and they had no issues starting the car and returned it to her. She drove it another 2 hour trip home no issues. She got to my parents house to pick up our son and same thing happened. The car would crank but not start. She tried both key fobs and same thing. I also tried to start the vehicle to no success. The car is also showing no check engine lights on the dash. She is about to have it towed again to a dealership near our home but I would really like to see if anyone has experienced this with their vehicles so I can try and help before she has to fork out a ton of money at the dealer. Any suggestions/ information would be appreciated.

-Bryan
Hi Bryan,

There are several STAR cases that your Dodge dealership should be able to look up, and they may assist with diagnosing your girlfriend's Challenger. One concerned the battery, another the Keyless Enter 'N Go system, etc. Let me know if you need any assistance while the Challenger is in for service.

Kori
Dodge Social Care Specialist
 

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I periodically have that same problem with my 2010 R/T automatic. In every case I was able to get it to start by "cycling" through the ignition sequence of the start button, i.e. push once (no foot on brake), after going to accessary, back to "off mode" and then back to "ignition" mode I have always been able to start car. It IS VERY FRUSTRATING because it is intermittent and doesn't come close to doing every time I start the car. Sometimes I've had to wait about 2 to 3 minutes before retrying, but every time I've been able to get it to start. Back in the old days I would have thought that I had a "vapor lock" issue with the fuel going to the carburetor, but since modern cars don't have carburetors not sure if a vapor lock issue could manifest itself as such. Hope they figure it out for you and if there is a "FIX" hope it gets talked about here.
 

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Doesn't sound like the fob if it turns on just doesn't turn over. Out of curiosity, can you try using the key itself? Pop off the start button and insert the FOB directly and turn?
 

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Discussion Starter #8
I have seen the key cycle suggestion and just using the key but her car is not equipped with a push button start. It just has the dodge key with the funky insert into the dash.
 

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Did the car just start at the dealer service shop? Did they offer any explanation other than it simply started for them? Did they check basic vital connections and the like? What did they tell you?
 

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Discussion Starter #10 (Edited)
From what my GF told me when she was there they started it right up and gave it back her to stating it started everytime for them. She was only there for a very short time so I cant imagine they looked over much much. They didnt even charge her any kind of fee for their time.


She likely had it towed to our local dealer today for further diagnostics. I keep the thread updated with what they come back with. Im hoping its not something obsurd.
 

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Just curious, where are you located? Are you in a very hot climate area? Does anyone out there know if the "vapor lock" issue could possibly be the culprit? It certainly would explain the not starting then after an adequate time for "cooling off" it starts right up. Again keep in mind his original description that the starter cranked just fine, it just didn't kick on. Also while trying not to be redundant wondering out loud if "vapor lock" is even an issue with modern car's fuel delivery systems design. . .
 

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if I were diagnosing without seeing it... I'd say fuel filter ... sucks up dirt and stops flow... but after time the dirt falls away from the filter (especially from bouncing behind a tow truck).. or after a long downtime... but once the dirt gets sucked up will show signs of no fuel.

but understand this is a guess
 

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Discussion Starter #13
Rnashcpa - we are located in buffalo, NY. Its been very rainy lately but that has never effected the car in the past. After she drove the car home after the 2 hour drive it barely had anytime to cool down before she tried starting it again to which it just turn over and not kick on.

Davehrn - I am starting to wonder if the fuel system could be part of the culprit here. Its just so strange that it would start and drive fine and then all of a sudden not. Its certainly something to look at though. I have a feeling like it something electrical. The car is gonna be at the dealership tomorrow so hopefully we start to get some answers by the end of the day.
 

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hoping for a cheap answer... I only suggested the in tank fuel filter because that is the exact symptoms I had in a previous vehicle. while the tank was open I replaced the pump too... never really got the tank to seal perfectly but it was a truck and I didn't care if the engine light would pop on from time to time....
 

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Hello Everyone.

I am trying to figure out a problem my GF is having with her challenger. Its only got 25000 miles on it. She left for work Friday morning and drove the car on a 2 drive with no issues. However, when she went to leave work that afternoon the car would not start. It would crank but would not start up. She had it towed to a local dodge dealership and they had no issues starting the car and returned it to her. She drove it another 2 hour trip home no issues. She got to my parents house to pick up our son and same thing happened. The car would crank but not start. She tried both key fobs and same thing. I also tried to start the vehicle to no success. The car is also showing no check engine lights on the dash. She is about to have it towed again to a dealership near our home but I would really like to see if anyone has experienced this with their vehicles so I can try and help before she has to fork out a ton of money at the dealer. Any suggestions/ information would be appreciated.

-Bryan
Try this cheap fix. Add a full can of SeaFoam carb cleaner during 2 successive gas fill-ups. SeaFoam has resolved many fuel system related engine problems. The cost is $16 to $20 for 2 cans depending where you buy the SeaFoam. Walmart will likely be the cheapest. Good luck!
BTW: You didn't say what engine is in her car. When was the oil last changed (miles since last change and months since last change)? What is the condition of the engine air intake filter? When was it last changed? The battery is on borrowed time if it is the original one. Get a new one ASAP!
 

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Discussion Starter #16
Well everyone, we got an answer from the dealer just a few minutes ago. This happened to be the fuel pump relay that was shorting out. Total cost from the dealer is 275+ tax. I guess that's not terrible as i pretty much expect any dealer visit to be 500+. I appreciate everyone's input on the subject.

Billzsrt - To answer your questions, she has the 5.7 in the car and i change the oil annually with mobile 1 ext performance as she usually drives it less than 5000 miles a year and is pretty easy on it. I do the same thing with my summer ride (Honda S2000). She is on the original battery but its never given any hint of having trouble starting prior, certainly something to look into though as I agree its getting old. The air filter is pretty new as I put a short ram intake on it for her beginning of last year.
 
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