VAGed it again.. Still have a problem
04-07-2003, 04:33 AM
#1
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VAGed it again.. Still have a problem
Yesterday I hooked the VAG-COM to my car again and noticed that when it begins to stutter, cylinder 1 is misfiring. I switched cylinder 1 coil pack with cylinder 4 coil pack, did another run but cylinder 1 is still misfiring. The car was having this problem before I rebuilt the engine, therefore it seems that this must be a sensor or injector problem.
The last thing I'm going to do is change cylinder 1's injector with cylinder 4 injector to see if it still misfired on one.. After that I'm out of ideas. I had Evolution MS change out the chip, tried a new ECU, changed my MAF sensor, Changed the O2 sensors, switched the coil packs.
Anymore ideas?
The last thing I'm going to do is change cylinder 1's injector with cylinder 4 injector to see if it still misfired on one.. After that I'm out of ideas. I had Evolution MS change out the chip, tried a new ECU, changed my MAF sensor, Changed the O2 sensors, switched the coil packs.
Anymore ideas?
04-07-2003, 04:41 AM
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Ignition amplifier.
<img src="http://pictureposter.audiworld.com/12690/ignitionamp.1.jpg">
Most likely, this is your problem (assuming you have a pre-'99.5). I would try 4 new sparkplugs though, just to be sure you've ruled everything out. Just get some regular Densos from your local AutoZone...$1.60 each. If it's not spark plugs, it's the ignition amplifier (AKA power output stage)....it lists for $280 at the stealer. Apparently you can get the one for the Passat much cheaper. Good luck
Andy
Most likely, this is your problem (assuming you have a pre-'99.5). I would try 4 new sparkplugs though, just to be sure you've ruled everything out. Just get some regular Densos from your local AutoZone...$1.60 each. If it's not spark plugs, it's the ignition amplifier (AKA power output stage)....it lists for $280 at the stealer. Apparently you can get the one for the Passat much cheaper. Good luck
Andy
04-07-2003, 05:35 AM
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$231.74 from alloemaudiparts.com
<ul><li><a href="http://63.89.49.212/parts/wizard.jsp?year=1998&make=AU&model=A4-QT-001&category=F&part=Ignition+Control+Unit& amp;usemake=AU&returnurl=catalog.alloemaudipar ts.com">http://63.89.49.212/parts/wizard.jsp?year=1998&
04-07-2003, 05:38 AM
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$195 from Germanautoparts.com, not sure if same/call and ask
<ul><li><a href="http://www.germanautoparts.com/main.php?make=Audi&maingroup=EngineElectrical& amp;selmodel=A4&seltype=Control%20unit%2C%20ig nition&line=1">http://www.germanautoparts.com/main.php?make=Audi&maingroup=EngineElectrical& am
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04-07-2003, 06:35 AM
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Part # is 8D0-905-351
Should be about $175 at the dealer.<ul><li><a href="https://forums.audiworld.com/a4/msgs/1576376.phtml">https://forums.audiworld.com/a4/msgs/1576376.phtml</a</li></ul>