Car Questions
RepairPal is your advocate for car care advice and guidance

O2 Senser problem

(1990 Mercedes-Benz 300E)
in Cincinnati, OH on June 10, 2010
I keep putting WD-40 on it and it still wont come out on my 1987 mercedes benz
Displaying 1 answer & 0 comments
Popular Answer
on June 11, 2010
Soak it over night and if that does not work then see if you can get a product named Zep-40, that is corrosion eating oil I have ever used. Of course you are turning it counter clockwise to loosen it yes?
Sign in to reply
Get a repair estimate
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide.
Or interested in getting a repair? Find a Shop

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
I had the code p0430. so i replaced all the o2 sensers all 5 of the why is the check engine light still on. how many ...
Epc light came on and the throttle no longer works. the o2 senser wire draged on the ground and got frayed. i'm not ...
Didn't find what you were looking for?