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Audi A4 Ignition Coil Problems

28 messages,  Last post on Nov 25, 2009 at 2:20 PM

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What is this discussion about? Audi A4, Convertible, Sedan, Wagon

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#11 of 28 Re: Audi Coils-all engines [sdsun] by AudiA404 Dec 02, 2008 (7:10 am)
Replying to: sdsun (Nov 06, 2008 11:35 am) sdsun - Sounds like I have the same car as yours but a year older. My problem is that when I am idle, at a stop sign or light, the car's RPMs start to hiccup - every 5 seconds it goes low, car shakes and feels like its going to die, and then jumps up again to a normal idle. Looks like its going to cost me 125 bucks just to go to audi to have them diagnose the problem.   I already had 1 ignition coil go a year ago. Is this probably another?   If it is, my dad is a mechanic and wants to fix this himself instead of me paying an arm and a leg to have audi do it. You make it sound easy to complete yourself... Can you message me or email me the directions on how you did yours? Replies to this message: sdsun (Dec 02, 2008 11:31 am) audiowner05 (Feb 06, 2009 8:04 am) SoloK (Feb 14, 2009 6:19 am) SoloK (Feb 15, 2009 7:20 am)
#12 of 28 Re: Audi Coils-all engines [AudiA404] by sdsun Dec 02, 2008 (11:31 am)
Replying to: AudiA404 (Dec 02, 2008 7:10 am) Hello.   Sorry to hear about your coil problem. I would be more than happy to assist you. I have a great mechanic who works on Audi Porsche and VW. Don't go to the dealer. they are idiots.   The coils are easy to fix. They pop in and out. So easy I could do it. Much easier than changing a tire.   Get back to me and we can figure out how to connect. Replies to this message: audiowner05 (Feb 06, 2009 8:04 am) SoloK (Feb 14, 2009 6:19 am) SoloK (Feb 15, 2009 7:20 am)
#13 of 28 by crisis1 Dec 29, 2008 (7:22 pm)
I was coming back home to FL yesterday from NC. On I 95, all of a sudden my car started shaking... spent the night in georgia, next day went to Advanced Auto Parts, they did a free diagnostic computer check, and i had a Misfire cylinder, first checkd if it was the spark plug, it was good.. than checkd the ignition coil... and that was the problem... bought a new one for 37$, popped the old one out put the new one in, done. problem solved...   at first i was worried if it was something more serious, but then i thot its most likely one of cylinders are out becuase the car can still drive but it shakes and its hard....   finally home and the cars running better than ever.. easy fix.
#14 of 28 Re: Problems with Audi A4 Ignition Coils [wuzup] by ChodaBoy Jan 12, 2009 (2:57 pm)
Replying to: wuzup (Oct 30, 2008 10:12 am) I also have a 2005 A4 1.8T 33K miles.   My passenger window regulator went bad -- So I brought it in to have it serviced. My warranty had JUST expired a day prior, but they were nice enough to extend it to cover the repair, as well as a 35k service.   They fixed the window -- but whatever bonehead they had do the repair, forgot to re-attach the door latch so I could no longer open the door from the inside.   After the holidays, as I was about to bring the car in again -- My engine suddenly won't turn-over.   I had it towed, and was informed that the Ignition Coil #4 shorted and melted the connector. They replaced the coil and repaired the wire.   The parts were $97, but the labor was over $500 -- Due to the fact that they had to run a system diagnosis on the car, and bypass my aftermarket stereo.   I pitched a bitch and they knocked some $$ of the labor. But here's the kicker -- I get back into my car and the passenger door STILL won't open!   Unreal.
#15 of 28 Re: Problems with Audi A4 Ignition Coils [wuzup] by HassanA4 Feb 03, 2009 (6:24 am)
Replying to: wuzup (Oct 30, 2008 10:12 am) Hello,I have an 2004 A4 1.8, with 83000 miles. My check engine light came on an I think it is an engine coil that needs to be replaced. I had one replaced about 6 months ago and i was wondering if there has been a recall on these items. Replies to this message: sdsun (Feb 04, 2009 11:19 am)
#16 of 28 Re: Problems with Audi A4 Ignition Coils [HassanA4] by sdsun Feb 04, 2009 (11:19 am)
Replying to: HassanA4 (Feb 03, 2009 6:24 am) Are you sure you have an ignition coil that needs to be replaced? Its a $30.00 part. And on an A4 you have four of them. You didn't indicate any signs that it is an ignition coil.   You should get your car hooked up to a computer to see what the real problem is. Depending on the error code, it may not be an ignition coil at all.
#17 of 28 Re: Audi Coils-all engines [sdsun] by audiowner05 Feb 06, 2009 (8:04 am)
Replying to: sdsun (Dec 02, 2008 11:31 am) hi sdsun, can you send me info on how to replace ignition coil? I'm having the same problem. thanks!
#18 of 28 Re: Audi Coils-all engines [sdsun] by SoloK Feb 14, 2009 (6:19 am)
Replying to: sdsun (Dec 02, 2008 11:31 am) Sorry to bother you. My daughter came home last night with all the symptoms of the ignition coil problem on our 05 A4 1.8. You mentioned it was easy to replace the coils. Could I ask for the quick repair instructions? I'm inclined to replace all 4 so as not to have to deal with this again for a while. Replies to this message: SoloK (Feb 15, 2009 7:20 am)
#19 of 28 Re: Audi Coils-all engines [SoloK] by SoloK Feb 15, 2009 (7:20 am)
Replying to: SoloK (Feb 14, 2009 6:19 am) I am going to answer my own question for anyone wanting to know how to change the ignition coil. It is very easy. These instructions apply to my 05 Audi A4. Just remove the plastic engine cover by turning the three screws a quarter turn. The cover lifts off exposing the engine. You will see the wiring for the 4 cylinders. Press back on the metal tab which will release the wire from the ignition coil itself. That is the ignition coil that you're looking at. Then simply lift the ignition coil out of the cylinder where it attaches to the spark plug. It is not screwed in, so simply lift it straight out. Insert a new ignition coil - I bought some for $30 each. Reattach the wire to the new ignition coil. Replace the plastic engine cover, and you're done! Now, the problem I had was that one of the coils had actually broken off, so that the bottom half was still attached to the spark plug after I removed the top. In that case, I used a long needle nosed pliers to reach in and remove the part still attached to the spark plug. Easy enough. At the auto parts store, I also purchased an Actron CP 9125 code scanner which told me that cylinders 3 and 4 were malfunctioning. (Cylinder 1 is closest to the front of the car). The scanners can be purchased for about $60 at Amazon. The parts store soaked me for $90 but I needed it right away. Good luck - it's really easy, try it!

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