Forum » Practical Dyno Tuning » 1UZ-FE on Link G4 - Ignition / First Start Issue - Help required!

1UZ-FE on Link G4 - Ignition / First Start Issue - Help required!

Practical Dyno Tuning

Discussion and questions related to the course Practical Dyno Tuning


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Having followed the previous setup videos we are happy with the setup and calibration of the inputs and the testing of the outputs (8 individual Honda K20 Coilpacks & the 8 original Injectors) and we have dealt with the base timing calibration as per the video. However, regardless of the timing we are in putting in the ignition table the result is no running (well on the occasion a tiny bit of running on) but very consistently we get a huge ignition in the exhaust when we stop cranking.

This seems to me to be an issue with our ignition setup, from my limited experience (this is the first base map we have tried). The trigger is set to the 1uz-fe in the link software & the trigger oscillations are showing up when you choose to see them in a separate window in the pc link software. The wave forms look ok with one step being marginally larger than the other.

We are getting spark. The firing order is correct in PCLink coils are firing on the correct cylinder numbers. The direct spark method is chosen. We have double checked the engine timing belt & marks and everything is present and correct. We have checked the timing with a timing light (with a ht lead between the coilpack & plug on No.1) and adjusted it as per the Base timing video.

The fuel pump is working. The injectors are also firing on the correct cylinder numbers. We are not 100% on the fuel setup to be honest as the video shows (I think) an older PCLink with less options in it than currently exists... but I would expect to still have running but very lean or very rich depending on how badly I have those settings down.

Any ideas of how I can test or setup pictures of the Base timing setup for a normally aspirated 1UZ-FE non vvti would be hugely helpful.

Try adding or subtracting 360 deg from your current trigger offset as you maybe firing on the exhaust stroke. I think the offset is usually around -5 or +355 depending on which cam sensor you used.

Attach a copy of you tune here and I will take a look at your basic settings.

Hi Adam,

Thanks, that does confirm what we were thinking but it just felt a bit extreme to go that far when its just an offset figure.. so we chickened out!

I can't currently send it to you as I am away from work until a week today but will do if we still have no success.

Thanks very much!

Hi Adam,

Thanks, that does confirm what we were thinking but it just felt a bit extreme to go that far when its just an offset figure.. so we chickened out!

I can't currently send it to you as I am away from work until a week today but will do if we still have no success.

Thanks very much!