new transistor still no spark in 1&4

[93laser1g]

Okay so for the past month i havn't been getting spark in 1&4 cylinders, so i bought a new coil pack i also bought wires and plugs because they needed to be changed. so i installed all brand new parts from the oreilly's and still no spark in 1&4 so i bought a two used power transistors put one in and i got spark in 1&4 but no spark in 2&3, so i tried the other and it was just the opposite it went back to not having spark in 1&4 but had spark in 2&3. So i bought a brand new transistor from oreillys... installed it and im still not getting spark in 1&4. I don't get it, did oreilly's sell me a faulty part? Why else would the spark jump cylinders when i changed transistors

 

[Dsmkauai]

Have you checked the cam and crank sensors yet?

 

[awzer2]

if it aint those its definitely the ecu.

 

[93laser1g]

Have you checked the cam and crank sensors yet?

No i havn't checked them i didnt know they controlled spark i thought they controlled timing, is there a way to test the crank and cam sensor? where is the cam sensor located? i know where the CAS is located already

 

[92AWDHX40]

This is when a manual comes in handy 25 bucks, its on the passeger side of the head next to the cam.

 

[93laser1g]

This is when a manual comes in handy 25 bucks, its on the passeger side of the head next to the cam.

thanks im actually waiting for my repair manual i got it for $19 off ebay

 

[Spyderman7]

Check the wiring going to the coils and Igniter.If all is good then pull your ecu out and check for leaky capacitors.If you have leaky capacitors send it to ecmlink and get them to repair it from anywhere from 70.00 to 150.00.

 

[93laser1g]

Check the wiring going to the coils and Igniter.If all is good then pull your ecu out and check for leaky capacitors.If you have leaky capacitors send it to ecmlink and get them to repair it from anywhere from 70.00 to 150.00.

i had a 5 speed non eprom in it and i switched back to my auto eprom that i thought was bad and it started and ran i got a video of it. it was making some rattling noises ill post vid later

Have you checked the cam and crank sensors yet?

aint they both the same unit in a 1g ? http://youtu.be/URh7bnxl6pc this is the video of it idleing

 

[obsidian]

I had this same issue. I thought it was my plug (replaced transistor twice and coil pack assembly also) and whenever I had an issue, I'd wiggle the plug and all would be fine.

Later on I removed my CAS to find the wires had COMPLETELY chaffed through their protective layer and all wires were exposed and touching.

Inspect the CAS wiring thoroughly.

 

[dsm4superman]

I agree start with the cas. The wires always seem to get hard and brittle then they crack in or around the housing. If that's not it deffinately look at the ecu. Trust me I was dealing with the same problem with my 95 tsi for a month. It gets frustrating but keep with it.

 

[93laser1g]

I had this same issue. I thought it was my plug (replaced transistor twice and coil pack assembly also) and whenever I had an issue, I'd wiggle the plug and all would be fine.

Later on I removed my CAS to find the wires had COMPLETELY chaffed through their protective layer and all wires were exposed and touching.

Inspect the CAS wiring thoroughly.

I agree start with the cas. The wires always seem to get hard and brittle then they crack in or around the housing. If that's not it deffinately look at the ecu. Trust me I was dealing with the same problem with my 95 tsi for a month. It gets frustrating but keep with it.

did anybody watch the video? can u hear that rattling when the rpms go up? thats what im most worried about

 

[bryanwheat]

IF the cas is bad it won't spark at all. This is either ecu related or wiring related. Check for continuity in the wires from the coil to the transistor, and from the transistor to the ecu. Next time don't just start buying parts that might fix the problem. You can test everything under the hood.

 

[93laser1g]

IF the cas is bad it won't spark at all. This is either ecu related or wiring related. Check for continuity in the wires from the coil to the transistor, and from the transistor to the ecu. Next time don't just start buying parts that might fix the problem. You can test everything under the hood.

i changed back to my old eprom that i thought was bad and the car is running. but its making noises when the rpm's go past 3k. i posted the video

 

[Spyderman7]

You said you pulled you 5 speed ecu out and put in the auto ecu and it is running now with all 4 but has a noise.
What injectors are in the car ,the auto 390cc or the 5 speed 450cc?
.

Just watched the video .Holly sh*** that sounds crazy.Is this car a auto or a 5speed ?
I see that it has a economy switch so i'm assuming it a automatic .
The noise sounds like it is coming from the timing pulleys or posibly the transIf it is coming from the timing area you need to turn the car off and pull the timing apart and replace the Idler and tensioner pulley right away.

Let me know what you find out

 

[93laser1g]

You said you pulled you 5 speed ecu out and put in the auto ecu and it is running now with all 4 but has a noise.
What injectors are in the car ,the auto 390cc or the 5 speed 450cc?
.

Just watched the video .Holly sh*** that sounds crazy.Is this car a auto or a 5speed ?
I see that it has a economy switch so i'm assuming it a automatic .
The noise sounds like it is coming from the timing pulleys or posibly the transIf it is coming from the timing area you need to turn the car off and pull the timing apart and replace the Idler and tensioner pulley right away.

Let me know what you find out

yea i pulled my 5 speed ecu out put my auto ecu in and it started up. im running390cc injectors. the car is automatic and my brother said it sounded like the flywheel was coming loose because it only does it when its in park but not when your driving. im gonna take a look tomorrow

 

[Spyderman7]

If your want to run the 5 speed ecu you need to put in the 450cc injectors.


If it only makes noise when it is in park you may need to adjust where the shifter cable is attatched to the trans Nuetral Switch.Sounds like it isn't completly in park.If you removed this while working on the car you may not of put it back to its correct spot .
Let me know if that helps

 

[93laser1g]

If your want to run the 5 speed ecu you need to put in the 450cc injectors.


If it only makes noise when it is in park you may need to adjust where the shifter cable is attatched to the trans Nuetral Switch.Sounds like it isn't completly in park.If you removed this while working on the car you may not of put it back to its correct spot .
Let me know if that helps

im pretty sure its the flywheel i went and looked at it and theres a bolt missing does anybody know where i can get one of these bolts?

 

[Spyderman7]

Torque Converter bolt?I might have some laying around

 

[93laser1g]

Torque Converter bolt?I might have some laying around

yea how much?

 

[Spyderman7]

How many you need? When you install the bolts put a little lock tite on it and then they should stay stung.I had the same problem put some on and never had the problem again.

 

[93laser1g]

How many you need? When you install the bolts put a little lock tite on it and then they should stay stung.I had the same problem put some on and never had the problem again.

just one but if you can spare another that would be great!!!

 

[obsidian]

My cas wiring WAS BAD. And it WOULD spark on 2-3 but NOT 1-4. I worked 2 solid weeks tracking it down and it turned out to be bad CAS wiring.

This is not a story from a friend of a friend. This was my car and i have the pictures to prove it.

And to the OP. I can't watch the video but good job on the ECM swap.

 

[93laser1g]

My cas wiring WAS BAD. And it WOULD spark on 2-3 but NOT 1-4. I worked 2 solid weeks tracking it down and it turned out to be bad CAS wiring.

This is not a story from a friend of a friend. This was my car and i have the pictures to prove it.

And to the OP. I can't watch the video but good job on the ECM swap.

did the car ever start run for a few seconds start clicking then shut off and not start back up? because thats what mine is doing now