You must be logged in to rate content!
3 minute(s) of a 91 minute read
5-6-2011
Okay so I got home today and started testing stuff.
I switched coil pack. I switched cyl 1 + 3 and cyl 2 + 4.
Clear codes, run VAG-COM. Still have cylinders 3 and 4 misfiring.
Prob not the coil packs.
Time to try the plugs. I switch cyl 2 and 3. Same result. cylinders 3 and 4 misfiring.
I tried to test my ignition control module using the following test:
Testing the 4D0905351:
1) Remove the two connectors from each side of the module. This is done by pressing down on the wire spring clip and pulling on the plug. They should come out easily.
2) Borrow or buy a handheld Digital Multimeter (DMM). They are available from Radio Shack or off eBay. The cheaper ones can be purchased for around $25-$30. It’s a great investment!
3) Set the DMM for resistance measurement. Most DMM’s today have auto-ranging so you need not select a range. If yours has a range selection choose the highest resistance range.
4) Connect the DMM’s + (Red) lead to the middle pin on the modules five (5) pin jack. It is important that you connect the + lead of the DMM. These modules are made up of four power transistors which are polarity sensitive. Even though you are making resistance measurements the DMM does apply low voltage DC to the circuit.
5) One at a time connect the – (Black) lead of the DMM to each of the four pins on the four pin jack side of the module. Each pin should give a resistance reading of around 2.5M ohms (2.5 million ohms). Provide yourself a tolerance and say that 2.0M to 3.0 M ohms is OK. If any pins gives a complete OPEN or a resistance value other than that in our range that sparkplug/coil driver is bad. If you show all of them OPEN maybe you have the DMM connected backwards. From this link:
http://www.automotivehelper.com/topic215530.htm
But my resistances are different. I get a straight 367 (i think, around there) kohms across all 4 prongs.
The resistances are different, but is that just because I'm using a different multimeter??
Do you think its the ignition control module? I'm not sure what to think.
5-7-2011
Dude at the junkyard was a complete @ss.
Told me they had it. Wanted $75. I said no way and worked him down to $50. I got there and then he's like oh, wait, I didn't bring the keys for it today, you're gonna have to come back another time. Then he proceeded to get smart with me and tell me that I won't find it anywhere else. So, instead of dealing with that b/s, I found them cheap off of ECS and ordered one with a set of four new spark plugs:
http://www.ecstuning.com/Volkswagen-...Module/ES1723/
I'll probably be putting it in on Wednesday
Wish me luck.
edit:
Anyone got any ideas for a heat sink?
Maybe I'll just run longer wires and put it in the rain tray.