Doesn't like the rain!

robbie_742003 · Post by **robbie_742003** » Tue Aug 25, 2015 8:55 pm

Hi all, have recently developed a problem whereby the car wants to cut out if it's been raining. If it's really threw it down it won't start for a few minutes. All electrical/ignition bits have been changed in the last 12 to 18 months. Do i have a rain tray problem or would anyone have any other ideas please?
Cheers

pistol pete · Post by **pistol pete** » Tue Aug 25, 2015 9:21 pm

defo gotta start with the dizzy cap.. make sure its okay.. even if its new could still be an issue if it has only just started..

gnzyza · Post by **gnzyza** » Tue Aug 25, 2015 10:39 pm

Is there not a issue with the ignitor cracking letting moisture in, worth a check?

Ginjaninja92 · Post by **Ginjaninja92** » Tue Aug 25, 2015 11:02 pm

Yeah it could be the ignitor if thats not been changed? Did you replace the leads with good quality ones? If they're not the best quality they'll be thinly insulated and will short giving you starting/running problems.

rgb · Post by **rgb** » Wed Aug 26, 2015 8:15 pm

I had one that did it. it was just a white connecting plug under the fuse box in the engine bay I had to reach down as far as my arm would go. and wiggle it about . the car would cut out in heavy rain and if I sat there for ten minutes the engine heat would dry it out. next time it does it , get your hand in and rattle all the wires.

benjo · Post by **benjo** » Thu Sep 03, 2015 9:34 pm

Had similar thing happen washed car drove fine for 2 mins then cut out and started miss firing,took coil pack and igniter off and found coil pack split and corroded,knock all plastic off and it was all rusting inside changed it car ran better than before problem started

robbie_742003 · Post by **robbie_742003** » Sun Sep 06, 2015 4:10 pm

I've replaced dizzy cap and rotor arm today so will wait for the next downpour ha ha! Coil is only about 12 months old so surely can't be a culprit yet?! Had plugs out too, look good with a light brown darkening.

robbie_742003 · Post by **robbie_742003** » Sun Oct 25, 2015 9:21 am

Still getting this stuttering in the damp, surely a coil should last longer than 12 months?!

markstevieandmads · Post by **markstevieandmads** » Sun Oct 25, 2015 10:15 am

robbie_742003 wrote:Still getting this stuttering in the damp, surely a coil should last longer than 12 months?!

Make sure its earthing well as it earth's through the bracket. Might be worth sticking an extra earth cable on it too.

robbie_742003 · Post by **robbie_742003** » Mon Oct 26, 2015 8:36 pm

Cool, will have a look, cheers for the reply.

Ryan S · Post by **Ryan S** » Mon Oct 26, 2015 9:29 pm

I've heard more often it being the king lead than anything else but obviously it could be the coil, igniter, dizzy cap or HT leads or a combination of some or it could be the whole lot. Change one bit at a time starting with the most likely or the cheapest/easiest to replace.

abovetherim · Post by **abovetherim** » Mon Oct 26, 2015 9:44 pm

I have had a king lead with a damaged end snapped that worked most of the time. I also had a cracked coil that I dried out then filled the cracks with rtv and still working 4 years on

Torero · Post by **Torero** » Tue Oct 27, 2015 1:31 pm

sheppy wrote:I've heard more often it being the king lead than anything else.

Spot on Sheppy, it happened to me and I got exactly the same symptoms as Robbie is getting.

An easy first check is to get someone to turn the engine over whist dark and check for any arcs in the engine bay. My king lead lit up like the Northern Lights.

Ryan S · Post by **Ryan S** » Wed Oct 28, 2015 8:00 pm

Totally man, of all the misfire posts i've seen the king lead has been the main culprit. Could easily be coincidence of course

benjo · Post by **benjo** » Sat Oct 31, 2015 11:34 pm

Mine just done this replaced dizzy/leads/coil pack
Sorted

robbie_742003 · Post by **robbie_742003** » Sun Nov 01, 2015 4:02 pm

Cheers for the replies guys

Willenium · Post by **Willenium** » Sat Nov 21, 2015 12:18 pm

Apologies for dragging this back up again. Got a wet weather problem myself but a little different. When my car is parked at home it's facing downwards on a slope and after there has been any significant rain it sounds exactly like an Impreza when I start it and there is sparks coming from where the king lead joins the dizzy cap (despite the dizzy cap being dry). Once some heat has dried the bay out a bit the car will run smoothly again. Could water in the region of the ignitor cause this?

So far it's had new dizzy cap, new rotor arm, new plugs, decent set of OE leads and a new coil.

robbie_742003 · Post by **robbie_742003** » Sat Nov 21, 2015 1:21 pm

Not sure about that, is the king lead a sure fitment on the cap?
Back to my bit anyway

I've took coil and igniter off (both in good nick), cleaned up contact points to body and it has greatly improved the situation but still feels like it is jumping a bit in the damp

I'll try putting another earth wire on next.
Can't think of anything else

Rob

Willenium · Post by **Willenium** » Sat Nov 21, 2015 5:00 pm

As far as I can tell, it is yes. Took off the bracket today and gave it a scrub where the ignitor meets it and did the same on the ignitor itself. Also decided to clean the faces where it bolts to the body of the car so there has to be a better earth. Definitely starts better but I got two massive shocks up my hand when I was adjusting the timing so back to the drawing board haha

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Doesn't like the rain!

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