Rough idle when damp

Whitey

Active Member
Joined
Jan 3, 2008
Messages
433
Location
Surbiton, Surrey
Car
Seat Arosa 1.4 Auto :-(
Hi guys

This just may be a characteristic of an 'old' car, but I have noticed a pattern that if it is raining/has rained my car will start like it is running on 3 cylinders.

Turn it off/on and back to normal with a slight lumpy idle.

Today with it being dry it starts and idle almost exceptionally well.

Any ideas ?

I've check the usual connections, leads etc. Just wondering if it could be a sensor issue ?

Thanks !

Chris
 

donubenz

Active Member
Joined
Jun 16, 2011
Messages
237
Location
Grimsby
Car
w211 r230
Had a car once that I only used for short trips to work, 3 miles or so. It always used a lot of distributor caps and had a misfire in damp weather. The garage believed that the engine was not getting hot enough to drive out any condensation from the engine. When the weather was damp the moisture condensed in the distributor cap and caused a misfire. Worth a look and a wipe out.
 
OP
OP
Whitey

Whitey

Active Member
Joined
Jan 3, 2008
Messages
433
Location
Surbiton, Surrey
Car
Seat Arosa 1.4 Auto :-(
Thanks for the input, but I don't have a distributor !
 

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