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Coil Pack Testers

Evil34

By Evil34,
in South Australia

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Dohmar Grand Master

Dohmar

Posted
Posted
Does anyone know a place that can test coil packs to make sure they are working properly!!!!

I am trying to rule one thing out at a time at the moment to find what is wrong with my car!!!

connect an earth lead and a positive to the coilpack top, then put the live bit of the coilpack on your tongue

it works, honest! >:(

(If it works with a 9 volt battery.....)

-D

Carbon 34 Grand Master

Carbon 34

Posted
Posted
Does anyone know a place that can test coil packs to make sure they are working properly!!!!

I am trying to rule one thing out at a time at the moment to find what is wrong with my car!!!

have you looked for the error codes on the computer first ?, checked the grounds and plugs for corrosion, pretty common?

Race__24 Experienced

Race__24

Posted
Posted (edited)

From what I have read around the place bench testing them isn't worth it.

If they are only charging $50 to do them they aren't testing them under load or at working temperatures. My guess is it's just a resistance check which can't rule them out as a problem, only at times confirm they are a problem.

Swapping them out is by far the cheapest and most definative way. Even if you can only get 1 known working one it doesn't take long to swap it through the 6 different positions. Once you have the coil cover off you can squeeze them in and out without having to undo anything else. All up it should take 2 hours max- that's if the last one you test is the one that's gone. I recon I could do all 6 in my stagea in under 1 hour

Also, if you cut off the lip at the back of the coil cover you should be able to get it in and out without removing the crossover pipe making future work easier.

Edit: not sure if you can get then in and out as easily on a R34, I've only done it on an R33 S2

Edited by Race__24
J_Red33 Experienced

J_Red33

Posted
Posted (edited)
From what I have read around the place bench testing them isn't worth it.

If they are only charging $50 to do them they aren't testing them under load or at working temperatures. My guess is it's just a resistance check which can't rule them out as a problem, only at times confirm they are a problem.

Swapping them out is by far the cheapest and most definative way. Even if you can only get 1 known working one it doesn't take long to swap it through the 6 different positions. Once you have the coil cover off you can squeeze them in and out without having to undo anything else. All up it should take 2 hours max- that's if the last one you test is the one that's gone. I recon I could do all 6 in my stagea in under 1 hour

Also, if you cut off the lip at the back of the coil cover you should be able to get it in and out without removing the crossover pipe making future work easier.

Edit: not sure if you can get then in and out as easily on a R34, I've only done it on an R33 S2

Just FYI there is a place that does this & last I knew, they did it for less than $50.... although it may cost that much by now.

The place is called Petro-Ject, located in Stepney (Ph: 81321622).

They will do testing on individual coil packs & heat them up to full operating temperatures & under high load. The guy that does it all has being doing the same kind of work for something like 12 years now & knows his stuff.

And just let them know that Jared sent you :D

Edited by J_Red33
Evil34 Experienced

Evil34

Posted
  • Author
Posted

thank guys, i have an intermittent missfire and no one seems to be able to rule anything out as there are no error codes coming up.

i have split fires already and they have done less than 5000kms in 18 months, so if it s them i wiil be pi**ed.

J_Red33 Experienced

J_Red33

Posted
Posted

Would almost have to be a defective coil pack after only 5000kms for them to be the issue. What boost & spark plugs & gaps are you running?

Do you have the original coil packs? I'd suggest you'd try these first if they worked ok when you removed them.

Evil34 Experienced

Evil34

Posted
  • Author
Posted
Would almost have to be a defective coil pack after only 5000kms for them to be the issue. What boost & spark plugs & gaps are you running?

Do you have the original coil packs? I'd suggest you'd try these first if they worked ok when you removed them.

The car spent 6 weeks in a mechanics trying to sort it out and all they came up with is that one of the ciol packs is slightly faulty as no error codes came up.

Just want to try and sort something as it is detracting from driving the car and my enjoyment.

Boost is only 10 psi and a .8 gap has been set with a fresh set of plugs as done by my mechanic.

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