Could WD40 invalidate a warranty?

loobylou

Peugeot 207 recently stopped, faulty anti pollution(?) diagnosed on screen.
Engine went into idle mode and had to be towed home.
Worked first time the next morning so I suspected some sort of damp problem after all of the recent rain. Gave the engine block and visible wiring a spray of WD40, drove it for about an hour and then the same fault returned.
Towed home again and then drove it (without problem) to a Peugeot dealer.
The dealer is trying to wash his hands of it, saying their computer diagnoses "multiple faults" and their mechanic reckons it is because "something" has been sprayed on the engine and is gunking up the block connectors. Under these circumstances they say Peugeot will not cover this under the warranty.
Anyone any thoughts on above? All advice welcome.

colm_mcm

WD40 shouldn't affect electrical connectors. you shouldn't have undertaken any work on the car yourself, but unless they can prove that your actions are causing the problem then I can't see how they can invalidate your warranty.

Did you drive it through a deep flood? also have they checked the catalytic converter?

mickdw

Did you tell him that it was wd40 that you sprayed after the initial problem?
I would tell him that it is electrical contact cleaner which is certified safe for electrical components and that if any gumming up of the contacts has occured a quick clean would cure and no damage can have been done.
If he is not willing to help at all, then it is him more than peugeot that is being awkward and tell him this. Furthermore tell him to forget about any future business from you.

The-Game

You'd think at this stage garages would try to facilitate their customers and keep loyal customers returning back to them.

Muckie

Sounds like your mechanic are doing the "Slippery eel act"
WD40 is used by lots of mechanic's never heard of it causing any
harm, don't back down. There's bigger problems with your motor
than anything WD40 could have caused.

Darwin

There is a 207 owners club here - do a search for anti-pollution and you will see there is a whole heap of people with the same problem as you. It might help when arguing with the dealer.