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Little Help - Not a S10

1257 Views 16 Replies 5 Participants Last post by  Yowakawaka
Sorry guys but this isn’t even a Chevy or anything cool.

I’m working on my girlfriends 08 VW Rabbit. It has a misfire code and a evap system code. When I drove it, it had a bad misfire and for some reason it would have trouble starting after pumping gas.

Im not a VW guy but I have a theory. Maybe the evap system leak is causing the injector to not pump fuel at the correct PSI. I don’t know!?! Maybe…..

I figured a can of Berrymans B12 might fix the misfire. I was gonna grab a set of plugs too because it’ll be cheap reassurance. The guy at the parts store told me the vehicle runs double platinum. This isn’t true right? I can just put in regular plugs? Also, are Bosch the OEM plugs for this or is there another brand you guys might suggest? I was just gonna get the ones below.
Rectangle Font Parallel Screenshot Technology

I’m not sure how to track down the leak. Sniff around! Lol.

I’ll post a photo of the printout from the parts store when I get a chance so you guys can check it out.

Thanks for the help in advance everyone,
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You might also check for OEM parts at Euro Parts or FCP Euro. I've used both for parts for my Audi, and both are very competitive on pricing. Lately, I've been favoring FCP, as they have a lifetime* warranty on parts you buy from them. I have seen ECS be competitive on parts' prices as well, but it never hurts to check around.
This looks like what you are needing - the bayonet twist lock style, not the threaded style, IIRC.
It doesn't show the application for an '08 Rabbit, but it sure looks like a match. The part number is molded into the side of the 'handle' at the top of the cap, but I couldn't quite read it on the photo. You could call FCP and they can help you insure you get the right cap.
Yesterday I got the plugs and coil pack in. Started up great and the check engine light turned off. The car hasn’t been drive much but hopefully it doesn’t turn back in for the evap code. Here’s what the spark plugs looked like.
View attachment 355856
There was oil on plugs 2 and 3 so that sucked but what’s a guy gonna do. The car only has 130k miles on it. The plugs were kind of hard to get out because the guy before me didn’t use antiseize.

View attachment 355857 Here’s #5 with the misfire. Looks a little lean. I have some cans of Berrymans coming so I’ll drop one more in and hopefully it helps.

So here’s something interesting and it HC this problem before the plug/coil pack change. For some reason when you put gas in it, EVERY TIME, it doesn’t want to start. I have to crank it for a few seconds and give it gas. It’ll run a little rough for a few seconds and then smooth out. Maybe it has to do with the evap code that went away after the new parts. I pumped some gas in it last night after the new parts and it did the same thing. My guess is air gets in the fuel system when you open the gas cap to pump gas. When you go to start it pressure needs to build up for it to run right. Just a guess……more like swinging for the fence. Lol

Thanks for all the help guys,
So, did you also do the gas cap replacement (assuming you found the right one)?
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