Electronic Throttle Control/Malfunction Indicator Lights are On - Dodge Challenger Forum: Challenger & SRT8 Forums
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post #1 of 10 (permalink) Old 06-10-2019, 05:10 PM Thread Starter
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I tried to start up my Challenger this afternoon and it would not turn over. It just keeps cranking. I noticed the Electronic Throttle Control light and the Malfunction Indicator Light (MIL) were on. I checked my battery for voltage just in case I had a battery issue, but it was fully charged. Any ideas on how to troubleshoot this issue?

Thanks in advance!


***Update: Hello all. Just wanted to let you know that I took my Challenger to a dealership, and sure enough my fuel pump died. Thank you all for your comments. Most of you thought it was the fuel pump, and you were right. Thanks again!!!

Last edited by k3c3t3; 06-15-2019 at 12:58 PM. Reason: Update on Challenger
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post #2 of 10 (permalink) Old 06-10-2019, 05:46 PM
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I'd try the tried and true disconnect the negative battery cable for a while, see if that let's you start it. If it ran I'd suggest having an auto parts store read the code set. The dealer may be the destination as they can use their Star tool to find the issue, could be PCM related, or a missing voltage. It can get pretty involved, but the code thrown is the 1st step. A Guy


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post #3 of 10 (permalink) Old 06-10-2019, 06:04 PM Thread Starter
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Thanks! I will try that and see what happens.
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post #4 of 10 (permalink) Old 06-10-2019, 10:23 PM
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Quote:
Originally Posted by k3c3t3 View Post
Thanks! I will try that and see what happens.
The various warning lights in the dash will illuminate when ignition is in Run but engine is not running. The time it takes the starter to start the engine is included, so you can't really go by if they are illuminated at KOEO. You have to wait for KOER to see if they remain illuminated.

Now that is a problem if the engine won't start obviously, so diagnosing is going to require other approaches here.

Let's start with the basics:
1) yr model and mileage of car?
2) any changes, maintnances, or mods recently performed? If so, what and how long ago?
3). What is the last thing that was touched in the powertrain? (e.g. Oil change, air filter, Catch Can, etc.). How long ago?
4) has the car ever done anything like before? If so, when and what was the procedure or part (if any) done to affect the fix?

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post #5 of 10 (permalink) Old 06-11-2019, 10:52 AM Thread Starter
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Hello, thanks for your reply. Here are the answers to your questions:

1. My car is a 2010 Challenger SE/V6 and has 96,000 miles on it

2 Car had an oil change 2 months ago and has no Mods.

3. Last thing touched was just an oil change 2 months ago.

4. The car has never done anything like this before.
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post #6 of 10 (permalink) Old 06-11-2019, 02:23 PM
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This is just a guess, but your fuel pump might have died.

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post #7 of 10 (permalink) Old 06-11-2019, 02:34 PM Thread Starter
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Thanks for your response MEK. I really appreciate it!
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post #8 of 10 (permalink) Old 06-11-2019, 11:11 PM
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2nd for the fuel pump/sending unit being the culprit. That old of a yr model and the lack of anything else being done is a dead giveaway i think.

You can verify if you're interested and motivated enough by pulling the back seats to access the pump and sending unit wiring harnesses. Testing them for proper voltage and resistance should reveal a problem is present, if one is there.
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post #9 of 10 (permalink) Old 06-11-2019, 11:25 PM
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If you have an OBD scanner check for any codes and look them up in the online chilton manual.
https://www.challengertalk.com/forum...access-666787/

Here is an explanation of what the ETC indicator means.

Quickest way to check fuel pump is to verify the injectors are getting pressurized fuel...~50psi. For this you will need a fuel pressure gauge.

Or you could just listen for the fuel pump when you turn the ignition to "on/run" but don't turn it over. If you don't hear the whirl from the backseat where the pump is then it is probably either the pump, relay, or fuse.
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Last edited by ChallyTatum; 06-11-2019 at 11:34 PM.
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post #10 of 10 (permalink) Old 06-15-2019, 12:59 PM Thread Starter
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Thank you for this!
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