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Old 11-15-2013, 11:02 AM   #1
03cobrarocks
Member
 
Join Date: Nov 2012
Location: Grapevine
Age: 37
Posts: 52
Default Battery loses volts while driving? wtf

So my car has always had issues starting, ever since I bought it. I feel like I have to crank it two or three times way to often... But anyway that isn't too bad anymore.

Now I have this wierd thing about my volt meter (on my radar) showing 13.2 to 13.4 right after I start the car and a couple mins after driving it goes down to 12.4 or so. Sometimes it stays at 12.0 - 12.4 range and I am fine but other times it drops as low as 11.6 or 11.8 and that is when it gets iffy.

I have a pretty new battery (2 years old or so) optima yellow top.

Last time it was at the shop they checked the alternator, said it was fine.

They did say the ground connection sucked, but they fixed that I believe.

What else should I look into? It is freaking annoying!

I also have idle issues sometimes with it getting "stuck" at 1800 rpm or so, if I smash the brake pedal really hard it usually lowers the idle...

doubt these are connected, but might be daily driving the car for awhile so would like to get these issues fixed.

Any help appreciated
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2003 Torch Red Cobra

Stroked/Built Motor, Cams and Heads, Posi Port, Full Exhaust, Jlt High Boost Intake, Return Fuel System, Upr K, Steeda Tri-ax, Built Solid with 3.73s, and bunch of other nonsense. 585/580
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