12 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
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Discussion summary
YOUR RESEARCHMice/Rodent ?
Leading reported evidence
Clean areas potentially affected and the spray
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Suggestion
A future rodent deterent is to clean the areas potentially affected and the spray with a diluted solution containg peppermint oil.
Leading evidence: 'Clean areas potentially affected and the spray' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Clean areas potentially affected and the spray' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion
Can be a ***** to change if there is corrosion on the probe end, if you replace with bosch ones they are relatively cheap.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion
Set some traps around the car ASAP and check them every day.
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12 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 1 discussions
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Generation: 20261026T091943Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Hi guys, started my car after about 2 weeks, engine went into limp mode, can anyone shed any light on the cables ? Looks like they have been chewed ? Thanks
The ones clipped into the red holders (blue/black) are your cat sensors (lambda/o2), that would definitely put your car into limp mode.
Can be a ***** to change if there is corrosion on the probe end, if you replace with bosch ones they are relatively cheap.
Cables don't look touched to me. Maybe the sheathing on the black one a tiny bit.
Those bits lying around have definitely been chewed from somewhere by a mouse or rat, then left there.
So they could well have chewed your wiring somewhere to cause your limp mode.
They're a nightmare. I've been waging war on them for years.
You'll have to do a visual inspection everywhere you can on the wiring or get the car to a garage.
Set some traps around the car ASAP and check them every day. Get the big cheese snap traps. Kills them straight away. Well, apart from when it gets them over the shoulder and they try and get away in the trap. That's the worst. You walk into the garage and the trap isn't there. You have to find it and finish it off with a house brick. Not fun.
By Limp home mode do you mean the eml light is on or that it runs like a sack ?
That foam is from the over engine sound deadening which means they have been probably in the arches each side where a lot of wiring goes ..
The usual place for a nest is just behind the starter motor in the center of the engine .
They nearly always chew through the knock sensor wires when there ..
If i do a fault code test and see a knock sensor fault then i know straight away there will be a mouse nest there as it's the only time a knock sensor will fail .
A future rodent deterent is to clean the areas potentially affected and the spray with a diluted solution containg peppermint oil. They don't like it Mr Mainwaring
Can you have a good look in the following places please ..
Left side in the arch behind the coolant bottle .. ( engine side not the actual arch area ) ..
Right side in the arch and look for any chewed wires here ..
If possible then center of the engine and get a light to look the left side of the throttle and towards the starter motor.
Take pictures if you see anything that looks out of place .
Also each side of the engine and look at the wiring going to each coil.
Basically the lambda sensors are inactive for about 40 seconds and won't really cause limp home mode .. Chewed wiring to a coil however will certainly give very poor running .
Maf sensor if open circuit again wont along with knock sensors ..
My feeling is coil wiring atm .
As this has happened then another place to look is behind the battery and the foam panel there .. make sure it hasn't got any holes in it as that's the main entrance into the car mice will use .
