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Old 10-02-2006, 01:08 AM
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Default P0301 Cyl 1 Misfire..can I drive car? CEL on.

my first guess would be to remove/replace plug and wires. good idea or bad? i hear that access to the plugs is a pain, so is this something I should take to a shop? The car appears to be driving normally. i noticed a pending code for CYL1 some months ago and forgot about it. today the CEL came on. So, is it ok to drive until i can get new plugs and wires ordered? And how hard is it to replace them? I have dielectric grease at the ready!

Last edited by freddyjim; 10-02-2006 at 02:00 AM..
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Old 10-02-2006, 03:40 AM
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It's not difficult to do it yourself.
You should change the plugs and the wires while you are at it. You can order the parts from 1stvwparts.com
If you want to know how to do it click here link
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Old 10-09-2006, 12:51 PM
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plugs and wires replaced 4 days ago..piece of cake -thanks! Got the CEL reset, was driving fine. Fast forward to last night: my daughter just called and said it is now sputtering, CEL flashing then steady. One thing, we have had a lot of rain. I don't have a VAG-CON but a pretty decent OBD-II computer which i will plug in when she limps on home.
Update: P0302 code cyl 2 misfire, P0301 code pending. previously, it was a p0301 set but the engine ran fine. when i pull cyl#2 plugwire from the running engine, i notice no difference (i.e. it appears cyl 2 getting no spark) and engine still runs the same (bad). Sound like a bad coil?
BTW, i checked resistance across the coil as suggested in manual. resistance was 5500ohms across cyls 3 and 2 and 5600 across 1 and 4. made me wonder if the coil is really bad since those values are in spec.

Last edited by freddyjim; 10-09-2006 at 04:54 PM..
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Old 10-09-2006, 08:22 PM
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Rabies = cracked ignition coil or bad plug wires. It ONLY occurs in raining day.
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Old 10-11-2006, 02:45 AM
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took plug #2 out..it was completely packed with crud. the plug was in there about 3 days. either i picked up a bunch of gunk installing it or there was some fouling in the cylinder that kicked up. running smooth now but i ordered a new coil from Rockauto for $69. hopefully that will clear up any of the pending code issues when it rains.
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Old 10-19-2006, 02:19 AM
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are you sure the cel was flashing? thats only supposed to happen when the catalyic convertor is failing
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Old 02-16-2009, 12:49 AM
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The CEL will flash if the OBD II system detects a continuous mis-fire. Driving the vehicle while this is happening sends un-burned fuel into the cat. converter, causing it to run VERY hot which can cause it to melt or break-down.
If the problem is corrected soon enough, the cat. converter won't suffer permanant damage.
This applies to all makes of vehicle with an OBD II system.
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Old 02-26-2009, 01:54 PM
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Default Engine mis-fire

I had the same problem happen to me also. I changed the spark plugs and ingnition coil and the problem went away. The ignitions coil had burned out and fouled out the spark plug. I was able an ignition coil shipped overnight from www.germanautoparts.com for a very good price.
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Old 02-28-2009, 08:58 AM
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Misfiring when it rains is 99.9% of the time - guaranteed to be the coil.
The age of yours is 'just right' as well.
On the Vortex there are numerous posts describing how the crappy plastic coil housing develops hairline cracks from age and multiple cycles of heat. They also posted a 'JB Weld' fix for it that you can do if you have a day when you don't need to drive the bug, to let it cure. Or if you don't have the luxury of taking the car off the road for a day, buy a new coil and put it in yourself. There's an excellent DIY thread on the Vortex, and though it features an AEG-engined Jetta, the only variation for the bug is that the SAI bracket DOES need to come out to remove the coil. I found it pretty easy, and I'm no mechanic, just reasonably handy with a wrench (for a girl).
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Old 03-10-2009, 05:17 AM
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Is it safe to say if one is bad the others will go too? Should I replace all the coils or just the one that's bad?
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Old 03-10-2009, 06:01 AM
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Exclamation 1.8T Ignition Coils

My wife has a 2003 Passat with the 1.8T and two went bad a year ago. I replaced all four when the the CEL came on. In my opinion, if one or two are going bad now, then the others are sure to go in the very near future. Just my Humble Opinion...

Last edited by Genesis; 03-10-2009 at 06:03 AM.. Reason: additional information
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Old 03-10-2009, 06:09 AM
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That's the way I think but the hubby doesn't like to open the wallet that wide
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Old 03-11-2009, 04:11 AM
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Quote:
Originally Posted by Lnzbug View Post
That's the way I think but the hubby doesn't like to open the wallet that wide
http://www.germanautoparts.com/Volks...lectrical/57/4

This is probably the best price for brand new Ignition Coils for the 1.8T.
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Old 03-11-2009, 10:20 PM
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Quote:
Originally Posted by Genesis View Post
http://www.germanautoparts.com/Volks...lectrical/57/4

This is probably the best price for brand new Ignition Coils for the 1.8T.
Thanks. I actually got them for $28 each at the dealer. First he said $32 then I asked if he could do better he did! Then, when John went to put them in (I bought 4) they were the wrong ones I went back today with an old one & they only had 3. He also said they were $1 each more but we would just do an exchange. I should be buggin again tomorrow.

BTW, my CEL was flashing too.
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