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Old 10-03-2012, 06:02 PM
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Default 2.0 Ignition Coil DIY

Here's a little write up on the replacement of the ignition coil on a 2.0 AEG engine....

Tools:
Flat head
10mm socket
Allen heads




1. Locate the secondary air injection pump should be on the front of the engine



2. set that out of your way and youll have to take off the bracket holding the air pump because the top bolt for the ignition coil is directly under it



replace with the new ignition coil and do the steps in reverse
These wires are labeled A,B,C,D so just follow the sequnce A= #1 B= #2 ect.

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Last edited by shepwood; 10-04-2012 at 06:52 AM. Reason: FUBAR told me to
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Old 10-03-2012, 07:03 PM
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Sweet.
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Old 10-04-2012, 04:58 AM
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was the secdary air pump on all mk4 golfs?
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Old 10-04-2012, 05:40 AM
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you should label the wire posts so people know which post is for what plug.
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Old 10-04-2012, 06:35 AM
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can do boss.....
the wires already have a A, B,C,D on them
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Last edited by shepwood; 10-04-2012 at 06:37 AM.
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Old 10-04-2012, 06:58 AM
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I think my aeg golf is missing that airpump. I dont remeber it being in the way when i changed my plug wires.
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Old 10-04-2012, 08:43 AM
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The pump draws air from the air filter box, and pumps it into the exhaust close to the exhaust valves, to burn any unburnt gas in the exhaust during a cold start. it also helps the cats warm up faster.
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Old 10-04-2012, 09:14 AM
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yea its not there in that location on my AEG. wtf?
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Old 10-04-2012, 09:28 AM
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hahah maybe someone took it out? do you have a stock intake?
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Old 10-04-2012, 06:12 PM
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no i custom built an Short ram intake i also have OBX racing headers, i researched and it appears my orginal manifold didnt have the airpump inlet either so it seems mine never had it to being with buts shes a 2000 aeg with a throttle cable, not drive by wire. they must of made a few small changes in 2001?
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Old 10-04-2012, 07:02 PM
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I don't have the secondary air injector pump on my 2000 jetta aeg engine either. I'm going to look in the book. I still have the stock air box.
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Old 10-04-2012, 08:31 PM
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Some aeg cars came out without sai

Good job op
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Old 10-04-2012, 08:46 PM
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I depends on the emissions classification of the car.

Cars with California emissions have the pump, while cars that meet Fderal emissions are not required to have the pump.

Look on the emissions sticker under the hood. It will tell you if the cars is Federal or California.

These are the states that require california emissions on new cars.
Connecticut, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont, and Washington.
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Old 10-04-2012, 09:05 PM
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if i take it off will it benefit my car?
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Old 10-04-2012, 09:23 PM
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No

It only runs for about 1 minute on a cold start to force fresh air into the exhaust to speed the warmup of the catalytic converter.

Remove it, and the CEL will come on after a few days.

Just leave it alone.
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