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Old 09-14-2013, 12:35 AM   #1
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Car wont start after tune

So today I wanted to change my 87 street tune back to my 93R so I put my car back to stock with my sct tuner and then loaded the new tune. Everything went normal until I tried starting my car up after the tune and theirs just a fast ticking noise like the battery is dead. So I put my car back to stock and still no luck and now my electronics (stereo, lights) turn off so I assume its my battery and get a friend to jump me but even after the jump it wouldn't start. Now when I turn my key to accessory mode sometimes my electronics work and sometimes they don't. Anyone have any ideas on what I should do first?
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Old 09-14-2013, 01:05 AM   #2
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Make sure the battery is FULLY charged, u can take it to walmart auto-center and they will do it for free. Then load the stock tune. If it starts, u can go ahead and try loading the 93 tune again. Sounds like u just ran down ur battery the while loading the 93 tune, then it went completely dead when u tried loading the stock tune and didnt load the whole tune.
Also have walmart test the battery.
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Old 09-14-2013, 01:35 AM   #3
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Quote:
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So today I wanted to change my 87 street tune back to my 93R so I put my car back to stock with my sct tuner and then loaded the new tune. Everything went normal until I tried starting my car up after the tune and theirs just a fast ticking noise like the battery is dead. So I put my car back to stock and still no luck and now my electronics (stereo, lights) turn off so I assume its my battery and get a friend to jump me but even after the jump it wouldn't start. Now when I turn my key to accessory mode sometimes my electronics work and sometimes they don't. Anyone have any ideas on what I should do first?
Sounds like just a dead battery mine was the exact the same. Found out my battery went bad.
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Old 09-14-2013, 08:38 AM   #4
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That's good to hear I was always a little worried about tuning so when this happened I automatically expected the worse. Ill test the battery and hopefully that will solve my problems! Thanks for the help guys
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Old 09-15-2013, 01:21 PM   #5
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Originally Posted by Smokeyjoe View Post
So today I wanted to change my 87 street tune back to my 93R so I put my car back to stock with my sct tuner and then loaded the new tune. Everything went normal until I tried starting my car up after the tune and theirs just a fast ticking noise like the battery is dead. So I put my car back to stock and still no luck and now my electronics (stereo, lights) turn off so I assume its my battery and get a friend to jump me but even after the jump it wouldn't start. Now when I turn my key to accessory mode sometimes my electronics work and sometimes they don't. Anyone have any ideas on what I should do first?
If u updated ur tuner recently its the tuner. Sct is having big probs with their new 10tunes capacity update. If a charged battery dont work it was the tuner. Your going to need to call sct n ask for a reboot recovery tune. Its gna take awhile for ur car to be up n running trust me sct takes FOREVER on the phone
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Old 09-15-2013, 01:54 PM   #6
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Happened to me but it was because of a bad tune.
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Old 09-15-2013, 01:59 PM   #7
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I ended up jumping my car a second time and after having it hooked up for a few minutes it just barely started on the third try! I retuned my car and now it's running great. Ill probably replace my battery tomorrow since this is the fifth time in the past 2 months the battery has died
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Old 09-15-2013, 03:33 PM   #8
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I ended up jumping my car a second time and after having it hooked up for a few minutes it just barely started on the third try! I retuned my car and now it's running great. Ill probably replace my battery tomorrow since this is the fifth time in the past 2 months the battery has died
Great! Check the alternator while you are at it. Make sure it's charging. Put that battery on a charger. A battery charger, in my opinion, should be in every garage. While running you should be at about 13.5 volts
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Old 09-15-2013, 05:32 PM   #9
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While its running take it to autozone and have them test your system. They do it for free and it will tell you if its the battery or alternator
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Old 09-16-2013, 06:49 AM   #10
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You may not have known your battery or charging system was weak, but a good lesson for anyone reading this post is to verify the health of the battery or charging system prior to installing a tune.

The very first paragraph on the SCT tuners guide is : STOP. Check all electronic systems.....

You are lucky in that the battery did not completely die during the tune install/reload. This could have messed up the ECU, causing a call to customer support (good luck with that on weekends), or a trip on a flatbed to your local Ford dealership for a stock ECU reflash (and out of your pocket expense).
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Old 09-16-2013, 03:54 PM   #11
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Yes good stuff there guys

Also make sure u test/replace that battery as soon as earthily possible so you dont burn out ur alternator as it is working extra hard now.
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