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J3 problems!! 

 

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 Post subject: Re: J3 problems!!
Posted: Fri Jan 21, 2011 7:07 pm 
Getting Side Ways
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EF Wagon wrote:
I put a TI Performance J3 into my EF and I'm delighted with it.

Car runs much better and economy has improved heaps.

For just $200, it was some of the best money I've spent on my EF.

I was surprised how much varnish was on my ECU contacts. It just seemed to go on and on. Make sure you follow the instructions provided. It will take about 30 minutes to do it properly. I used a small flat blade screwdriver, followed by the 600 grit sandpaper. Clean up with metho on a rag.



I did that and my terminals turned a copper colour maybe I went over board with the screw driver lol , so I got a new ecu and used metho and a paddle pop stick, and stil problem but its cos I didn't remove the clear laquer, ef wagon what colour were ur j3 terminals when u finished cleaning them ?

 

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Dark Agents,Sunroof, bilstein shocks, 6000k HIDS, 329 mm slotted rotors, twin pot calipers , Climate Control, GarrettT04 turbo,log manifold, crow turbo cam, microtech lt10c, 42lb injectors , 044, surge tank , T56 , rebuilt bottom end , alloy plenum .

Aiming for 300 rwkw

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 Post subject: Re: J3 problems!!
Posted: Sat Jan 22, 2011 8:34 am 
Getting Side Ways
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They should be bright silver. Copper means you've scraped off the solder. It can be replaced if you're handy with a soldering iron.

Cheers,
Jason
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 Post subject: Re: J3 problems!!
Posted: Sat Jan 22, 2011 9:38 am 
Getting Side Ways
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So is it bad when the solder is removed?

 

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El XR6 Turbo
Dark Agents,Sunroof, bilstein shocks, 6000k HIDS, 329 mm slotted rotors, twin pot calipers , Climate Control, GarrettT04 turbo,log manifold, crow turbo cam, microtech lt10c, 42lb injectors , 044, surge tank , T56 , rebuilt bottom end , alloy plenum .

Aiming for 300 rwkw

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 Post subject: Re: J3 problems!!
Posted: Sat Jan 22, 2011 9:52 am 
Getting Side Ways
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Generally yes. Copper corrodes more easily which means over time it can oxidise and cause problems. Also as the port will be thinner you may have issues with the edge connector making a solid contact at all times.

Cheers,
Jason
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 Post subject: Re: J3 problems!!
Posted: Sat Jan 22, 2011 10:04 am 
Getting Side Ways
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My chip is a bit wobbly on the j3 terminals, I'll let u figure it out when I send down the ecu and chip

 

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El XR6 Turbo
Dark Agents,Sunroof, bilstein shocks, 6000k HIDS, 329 mm slotted rotors, twin pot calipers , Climate Control, GarrettT04 turbo,log manifold, crow turbo cam, microtech lt10c, 42lb injectors , 044, surge tank , T56 , rebuilt bottom end , alloy plenum .

Aiming for 300 rwkw

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 Post subject: Re: J3 problems!!
Posted: Sun Jan 23, 2011 12:00 am 
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i made the same mistake on my EL in regards to cleaning the terminals, i took it right back to the copper, in the end i had to get myself a new ecu from the wreckers, but also the J3 chips are known to often be faulty, if you cant get it working you can send it back to T.I to get a replacement sent out to you. Paul at CVE performance was telling me that nearly every 3rd or 4th chip he got would be faulty.. so dont rule it out
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 Post subject: Re: J3 problems!!
Posted: Sun Jan 23, 2011 12:42 am 
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When i had a problem with mine it turned out to be a faulty ECU. The car would just randomly cut out. the ecu ran 100% without the chip but gave a faulty ecu code when running a self test.

 

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 Post subject: Re: J3 problems!!
Posted: Sun Jan 23, 2011 1:40 pm 
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galapogos01 wrote:
They should be bright silver. Copper means you've scraped off the solder. It can be replaced if you're handy with a soldering iron.

Cheers,
Jason

You don't want to solder the edge strips ever as they are not tinned solder but silver plated. Soldering them will cause you more problems as the solder oxidises and conectivity will be intermittent at best.

 

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