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Lionel Trotea
Tinkerer
QLD
1JZ

Posts: 84
Reg: 06-2007

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Friday, April 24, 2009 - 07:58 pm, by:  Lionel Trotea (Baileys112) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

No im not sure if its my turbos, my coilpacks, air intake, but my engine pings when i hit 4k to 5k revs. I upgraded the stock intake with a pod filter (Big Cheers to Bobby :-)) which mad a significant reduction in pinging but it still occurs.

What could be the problem?

I asked some asian at 999Performance in Coppers Plains (bris) and he said that i need to earth my coil packs and other things coz its obviously not being earthed enough?? im pretty sure his trying to make a bit of $$$ out of me. Does this ring any bells?

Cheers :-)
Scott Wilkes
TryHard
Tasmania
92 TT Factory Manual

Posts: 467
Reg: 10-2008

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Friday, April 24, 2009 - 08:31 pm, by:  Scott Wilkes (Scottywilkes) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

coil packs are allready significantly earthed via the mounting bolts into the head, so i highly doubt its that.

It could be that your computer is advancing the timing to far, for what reason i do not know.

Or its running lean for some reason. Maybe pull the injectors out and clean them? They may be partially blocked

Personally i would say its timing for some reason or another.
Lionel Trotea
Tinkerer
QLD
1JZ

Posts: 87
Reg: 06-2007

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Friday, April 24, 2009 - 08:39 pm, by:  Lionel Trotea (Baileys112) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

timing? As in timing belts?

Actually now that you mention it my car is popping out quite a fair amount of smoke when its in park. So running lean would be a possiblity. How do I rectify this?
David Tra
DieHard
qld
TT

Posts: 696
Reg: 11-2007

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Friday, April 24, 2009 - 08:51 pm, by:  David Tra (Bookie) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Colour of smoke? Shoot a video.
Lionel Trotea
Tinkerer
QLD
1JZ

Posts: 90
Reg: 06-2007

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Friday, April 24, 2009 - 09:07 pm, by:  Lionel Trotea (Baileys112) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

um blueish? What colour should I be looking out for?
Scott Wilkes
TryHard
Tasmania
92 TT Factory Manual

Posts: 468
Reg: 10-2008

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Friday, April 24, 2009 - 10:29 pm, by:  Scott Wilkes (Scottywilkes) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

blue smoke isnt good, if its blowing nice ammounts under boost, its a sure sign your turbo seals are on there way out leaking oil into the exhaust.

If its just on startup, i wouldnt worry to much, most likely valve stem seals.

With the Non Distributored motors, the computer adjusts the timing properly from inputs from various sensors around the motor. If it had jumped a tooth it would most likely have a rough idle and not run smooth.

Its hard to say without having first hand experience with it, id take it to another workshop and get them to have a looksy at it, if you have any soarer specilist shops around definately take it to 1 of them
Lionel Trotea
Tinkerer
QLD
1JZ

Posts: 93
Reg: 06-2007

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Friday, April 24, 2009 - 10:36 pm, by:  Lionel Trotea (Baileys112) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I appreciate your help Scott. This pinging problem has been with me ever since I bought the car some 2 years ago. Something is certainly wrong with it and I've had it serviced and tuned lots of times and still the same problem.

Anyway, when I do come to the bottom of this, I will resurrect this little thread for those poor sods with the same problem as mine :-)
Blake Gloyn
TryHard
manawatu
soarer JZZ30 TT

Posts: 433
Reg: 02-2006

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Saturday, April 25, 2009 - 07:51 am, by:  Blake Gloyn (Blakenz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

you need to check the base timing. there is a proper way of doing this, with the correct 2 pins(TE1 and E1) in the diagnostics plug being bridged. and hook the timing light clip around the green wire under the little plastic cover on the plug that goes into the ignitor. this gives a signal from the correct cylinder. it should be 10 degrees. if it is not, then you have either a earthing problem somewhere( probably near the alternator which is right on top of the crank angle sensor-no coincidence there) or a faulty sensor, most likely the crank angle sensor. My car was 10 degrees too advanced for 2-3 years,and no one could figure it out. an earthing kit solved the problem. remember though, test your timing first. checking base timing correctly will give a different reading to just attaching the timing light.
one other thing that can cause it to be too advanced, is the installation and massive (over) adjustment of a fuel cut defender.

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