2000 Astra SRI problem when raining?

[Groove]

Hi,

My Astra SRI 2ltr doesnt seem to like the rain!!

Everytime its damp/raining the car struggles to pull and refuses to go at a decent speed.

There is a warning light on on the dash which ive been informed is the cam sensor that needs replacing. Could this be linked?

The car runs fine in the dry.

Any help appriciated and will hopefully get round to sorting it on Saturday if somone could help diagnosing it!

Thanks,

Adam
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[Barry_M2]

Cam position sensor could affect it, but it sounds like the damp is getting into something electrical. Go round the engine bay removing and spraying all the electrical connectors with a water dispersant (WD40 or similar) and then see what its like.

I do this on both our cars and my bikes every few months. Just to keep the damp out.

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[Groove]

Just spoke to my dad and he recommended starting the car up in the dark and taking a look under the bonnet to see if there is any sparking.

How likely is it i would be able to see??
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|| Past: 1991 Kawasaki ZXR 250 ~ 2003 Honda CBR 600 F Sport ~ 2004 Kawasaki ZX6R B1H 636 ~ 1999 Yamaha R1 ~ 1999 Kawasaki ZX6R J ~ 2004 Kawasaki ZX6R B1H 636 ~ 1998 Honda VTR1000F Firestorm ~ K1 GSXR 600 Track bike ~ K6 GSXR 1000 ~ 2006 Speed Triple 1050 || Current: 2005 R1 https://www.adrucore.co.uk

[SoulRider]

There is a problem with vauxhals that was on watchdog recently, something to do with fuel pump/sensor failing and kicking in a go slow mode on the car.

Might be worth a look, doesn't mention rain though.

clicky

EDIT: watchdog link
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[tribal_tiger]

The watchdog problem was only on the 2.2 petrol engines of the Vectra, Zafira and Omiga if i remember right.

It sounds exaclty the same as what my mini would do in the rain. It was water getting in the distributor. I just used some WD40 as mentioned above and it worked a treat. I'd also put some on the spark plugs as well just to be sure.
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All of it.

[Barry_M2]

[Cigaro]

Water around the HT leads or coils can still be a problem though.

You may or may not be able to see sparking. But as others have said, spray some WD40 around all of the HT side. If it suddenly starts running properly, you've found your problem.

[Finglonga]