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2017 Black Turbo PSE|PASM|SC|ACC
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If it's any consolation, the Prius used a Soy based insulator on their "green" wiring, which the rodents found to be absolutely delicious. Same with Honda. Became a big problem, not sure if Porsche has been using such wiring...

 

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I took off my engine cover and discovered a chewed wiring harness! No warning lights on my dash. Anyone know what it is?
241395
 

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Yikes! If you live near water or a water source my guess is rats/mice. Did they leave any droppings? This has been especially problematic during Covid as we aren't using our cars so much. Consumers Report recently wrote an article on this. Apparently Volkswagen sells a special duct tape that is anti rat/mouse stuff that you can repair the damage with if actual copper wires are not exposed.
 

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Looks like sensor plugs/wiring on the intake.
 

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Hard to tell, but the wire loom with 4 wires comes in from the right and splits into 2 plugs. Basically the 2 wires leading to the left plug are completely chewed apart. The “extra” exposed wire(s) you see are a couple 2 inch sections of the chewed wiring
 

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241399


here it is uneaten.
 
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Ouch
 

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I took off my engine cover and discovered a chewed wiring harness!....Anyone know what it is?
Here's a link to an earlier thread with others sharing similar experiences. Rats, or mice, typically.....although I recall that someone once found a squirrel nest under their hood.

Rats!!!!
 
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2015 Macan S, EVOMS diverter valves, Pedal Commander, stage 1 Cobb, Niche convenience package, Remus
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Once had kittens eat the wires of a John Deere lawnmower. Don’t know if Porsche uses soy-based insulation material. One of the reasons I absolutely forbid anyone from eating inside my cars
 

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Time to set some mice traps....
 

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I would think by now that the car manufactures would have developed a wire loom or wire coverings that critters hate.
 

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Unfortunately, under the engine cover is a perfect spot for rodents to take up residence, if the vehicle is parked long enough. If it costs a lot more than your deductible to repair, it is usually a covered comprehensive loss under your auto policy, but first you are definitely going to want to take steps from it reoccurring.
 
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I had the mice build a nest in my old Mercedes fan box for the AC/heat to the point it stopped working they had it stuffed with so much material. It started with with debris flying at me when I turned on the fan for heat or AC, then it just stopped working and this was why. It was a daily driver car too, but I did live on a wooded lot and the car was kept outside.
 

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Last fall I found a squirrel's nest under the hood of my daughter's Lexus. It had about a pound of acorns and other junk. I keep them away by spraying crap load of mint oil under the hood. It cheap, I buy it at Walmart, and rodents hate the scent. I re-sprinkle it about every 2 weeks.
 

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Last fall I found a squirrel's nest under the hood of my daughter's Lexus. It had about a pound of acorns and other junk. I keep them away by spraying crap load of mint oil under the hood. It cheap, I buy it at Walmart, and rodents hate the scent. I re-sprinkle it about every 2 weeks.
If you shower with it does it get rid of the bed bugs? We might start a new industry with mint oil.
 
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