Theories Requested 

"CarsofFortLangley - Oppo Forever" (carsoffortlangley) 02/28/2019 at 13:07 • Filed to: None

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The ST’s windshield spray system is no longer working. It’s been in and out for some time requiring me to push the button like 500 times before it worked. Here are some facts to help us get some possible diagnoses.

- There is fluid in the reservoir

- The rear sprayer works fine.

- The wipers, which are automatically triggered when you spray, don’t turn on when I trigger it. This leads me to believe that it is an issue with the system than any specific part, hose or nozzle .

- The wipers still work on their own.

My personal theories are:

Rats have chewed a wire somewhere
Random gremlins. FERD PROBLEMS AMIRIGHT?
I pierced a wire installing the lights
Some sensor/relay is borked somewhere
Lines are frozen
Nozzles are blocked by excessive waxing

bob and john > CarsofFortLangley - Oppo Forever 02/28/2019 at 13:11

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I would check to see if the pump is working. I get the feeling it is not and the sensor that triggers it is borked.

alternitivly,. the motor is burnt out, from maybe the last 2 options

CB > CarsofFortLangley - Oppo Forever 02/28/2019 at 13:13

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“Random gremlins. FERD PROBLEMS AMIRIGHT?”

Most likely. Could be a fuse? But rats are also an option.  

CarsofFortLangley - Oppo Forever > bob and john 02/28/2019 at 13:14

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I’ll look into it!

Spamfeller Loves Nazi Clicks > CarsofFortLangley - Oppo Forever 02/28/2019 at 13:15

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You have a damaged wire going to the front pump or a bad front pump . Modern sprayer systems check load before operating wipers, and if no load is found, don’t run the wipers on the assumption there’s no spray. Fiesta to my knowledge has a separate rear pump, which is why it continues to work.

Repeated application eventually working tells me you have a wire break that intermittently makes contact. Running continuity checks should reveal the broken wire in very short order.

random001 > CarsofFortLangley - Oppo Forever 02/28/2019 at 13:18

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CarsofFortLangley - Oppo Forever > CB 02/28/2019 at 13:18

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Also, my passenger window doesn’t roll up/down so well in the heat. And my paint is pealing. And my car overheated when I would drive uphill or use the AC.

But damn if I don’t love the thing.

CB > CarsofFortLangley - Oppo Forever 02/28/2019 at 13:20

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Yeah, my passenger window is still busted. One day I'll fix it.

Urambo Tauro > CarsofFortLangley - Oppo Forever 02/28/2019 at 13:21

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Given that both the wipers and sprayer are inop here, I’d suspect the switch or something close to it. Got a wiring diagram?

jimz > CarsofFortLangley - Oppo Forever 02/28/2019 at 13:22

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Theories Requeste d

e=mc^2?

Rust and Dust - Oppositelock Forever > CarsofFortLangley - Oppo Forever 02/28/2019 at 13:23

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Sounds like a switch/wiring.

If it were a fluid line blocked, wipers would still trigger with spray.

vicali > CarsofFortLangley - Oppo Forever 02/28/2019 at 13:24

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Did you have de-icer in there or good ol’tap water?

I’ve frozen pumps before, they usually crack and then burn out.

CarsofFortLangley - Oppo Forever > Urambo Tauro 02/28/2019 at 13:25

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I don’t, but I could find one I’m sure.

CarsofFortLangley - Oppo Forever > vicali 02/28/2019 at 13:25

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De-icer, I am not that dumb lol

Fuckkinja > CarsofFortLangley - Oppo Forever 02/28/2019 at 13:28

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it sounds like either the switch or the  module is done. The wipers would respond if it was a pump or nozzle problem.

Urambo Tauro > CarsofFortLangley - Oppo Forever 02/28/2019 at 13:31

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I hope it’s a fairl y straightforward circuit, and not routed through some stoo pid control module...

MGS315 > CarsofFortLangley - Oppo Forever 02/28/2019 at 13:31

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EDIT: Deleted comment. Didn’t read the post closely enough.

His Stigness > Urambo Tauro 02/28/2019 at 13:40

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It will be because it’s a combo switch.

Urambo Tauro > His Stigness 02/28/2019 at 13:41

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DAMMIT

vicali > CarsofFortLangley - Oppo Forever 02/28/2019 at 13:44

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if there aren’t blown fuses get you meter out and see if there is power at teh pump..  I suspect;

Alfalfa > CarsofFortLangley - Oppo Forever 02/28/2019 at 14:40

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Your car is on drugs

https://toronto.citynews.ca/2019/02/27/police-find-meth-smuggled-into-canada-in-new-ford-cars-built-in-mexico/?fbclid=IwAR2Ebm6gwaKegwplBazyHS7AP4DEgxBJ40udzj80v8kFpCS9W84USXCwRgY

Jordan and the Slowrunner, Boomer Intensifies > CarsofFortLangley - Oppo Forever 02/28/2019 at 15:27

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It’s telling you to replace it and set it up for WMI. 

CarsofFortLangley - Oppo Forever > Jordan and the Slowrunner, Boomer Intensifies 02/28/2019 at 15:28

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WMI?

Jordan and the Slowrunner, Boomer Intensifies > CarsofFortLangley - Oppo Forever 02/28/2019 at 16:45

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Water-Meth Injection. It’s a workaround to running out of fuel. 

CarsofFortLangley - Oppo Forever > Jordan and the Slowrunner, Boomer Intensifies 02/28/2019 at 16:46

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Ah.  Not really my scene lol.  I don’t want my car too ricey.

Jordan and the Slowrunner, Boomer Intensifies > CarsofFortLangley - Oppo Forever 02/28/2019 at 17:46

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It’s not rice. It’s cooling combustion temps. It’s a workaround the 300whp limit. 

Dogsatemypants > CarsofFortLangley - Oppo Forever 03/01/2019 at 00:03

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Have a friend trigger the sprayer while you’re under the hood. Listen for the whine of an electric pump. No whine, check connectors and relay. Whine but no spray, pull the tube leading to the nozzle, hit the spray. No juice from tube but whiny noise, run pressurized air backwards through the line. Juice comes out tube, run air through nozzle backwards.

Dogsatemypants > CarsofFortLangley - Oppo Forever 03/01/2019 at 00:04

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The other possibility is a multifunction switch fail. The button no worky.

pip bip - choose Corrour > CarsofFortLangley - Oppo Forever 03/01/2019 at 06:22

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clean the nozzles first.