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Trouble with Sisters Ford

 
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  #1 (permalink)  
Old 27 Nov 2018, 10:02 pm
Macgyverman1123's Avatar
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Default Trouble with Sisters Ford

Hey y'all!

So my sister has a '16 escape. She started it up today and it's idling like absolutely garbage. Clearly only running on 3 cylinders. It has a ton of check engine lights. Camshaft position sensor, throttle position sensor, evap system, ignition coil, something else I forget. Barely revs to 2,000. Before starting, the battery voltage was 11.5. after, it was 15.2. any chance it's a battery, or is this more of a main computer kinda deal? Anyone have any ideas?

She takes very good care of it, it's in great condition. She's never had a single problem with it, no check engine lights or anything all. Drove just fine yesterday.

She's gonna have it towed to a local shop I trust.
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Old 28 Nov 2018, 07:41 am
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Default Re: Trouble with Sisters Ford

I'd recheck the battery. The voltage should be ~12.5 volts before starting. A weak battery will confuse the computer while it is cranking the engine, and set off errant codes.
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Old 28 Nov 2018, 07:49 am
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Default Re: Trouble with Sisters Ford

I completely agree with pt06. Todays cars are extremely sensitive to voltage discrepancies. I'd be willing to bet there's a dead cell in that battery. If not, I'd remove the spark plugs and have a look at them. My Forte threw a CEL at about 30,000 miles and I got a misfire on cylinder 3. I removed the plug and found a small piece of crap blocking the electrode. I flipped it out of there with my pocket knife, reinstalled it and the car didn't skip a beat. I had to remove the battery cable to clear the code and it hasn't come back for 20,000 miles now. Good luck with it.
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Old 28 Nov 2018, 08:01 am
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Default Re: Trouble with Sisters Ford

Try new battery cheapest start to do agree that voltages in new cars is needed to be right
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Old 28 Nov 2018, 09:11 am
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Default Re: Trouble with Sisters Ford

Quote:
Originally Posted by Macgyverman1123 View Post
Hey y'all!

So my sister has a '16 escape. She started it up today and it's idling like absolutely garbage. Clearly only running on 3 cylinders. It has a ton of check engine lights. Camshaft position sensor, throttle position sensor, evap system, ignition coil, something else I forget. Barely revs to 2,000. Before starting, the battery voltage was 11.5. after, it was 15.2. any chance it's a battery, or is this more of a main computer kinda deal? Anyone have any ideas?

She takes very good care of it, it's in great condition. She's never had a single problem with it, no check engine lights or anything all. Drove just fine yesterday.

She's gonna have it towed to a local shop I trust.

I agree with the others. 11.5 volts is low for a sitting battery and 15.2 volts is high for a charging system. Have your battery thoroughly charged and then load tested.
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Old 28 Nov 2018, 11:01 am
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Default Re: Trouble with Sisters Ford

Thanks for the advice!!

As a proof of concept, do you guys think it would be worth trying to remove the suspect battery and temporarily connect a healthy battery from another car? (My parents have a Grand Caravan, I know that battery is good and would have more than enough amperage to start a small 4 cylinder engine) or would I risk damaging anything?

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Old 28 Nov 2018, 01:31 pm
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Default Re: Trouble with Sisters Ford

Should be fine JUST MAKE SURE TO HOOK THE CABLES RIGHT POSITIVE TO POSITIVE AND NEGATIVE TO NEGATIVE as some Chrysler batteries are reversed in there posts
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Old 28 Nov 2018, 03:51 pm
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Default Re: Trouble with Sisters Ford

Quote:
Originally Posted by Macgyverman1123 View Post
Thanks for the advice!!

As a proof of concept, do you guys think it would be worth trying to remove the suspect battery and temporarily connect a healthy battery from another car? (My parents have a Grand Caravan, I know that battery is good and would have more than enough amperage to start a small 4 cylinder engine) or would I risk damaging anything?

Very often symptoms your describing are because of a bad battery. Having the privilege of a temporary battery swap out is the way to go to either figure it out or eliminate one thing from your diagnostic list.
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Old 28 Nov 2018, 04:22 pm
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Default Re: Trouble with Sisters Ford

15.2 could also indicate a low battery in the multimeter used for testing. I've witnessed this several times just on this form when high voltage was reported
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Old 28 Nov 2018, 04:36 pm
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Default Re: Trouble with Sisters Ford

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Originally Posted by rob302 View Post
15.2 could also indicate a low battery in the multimeter used for testing. I've witnessed this several times just on this form when high voltage was reported
I got the reading from my Bluetooth OBD2 scan tool, which is powered by the electric system of the car. It has always given me perfectly accurate readings on every other car I've had it on.
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