Mazda 1.8 16v not starting with MS-II

[barreljan]

Hi guys,

I am new to this forum and I need your help. I hope I've started this thread in the right place. We have an engine in our mazda which was running stationairy and driving with the same setup but the whole ms-II setup including ignition is bolted over to another mazda engine. Strangely it does not work anymore. The exhaust manifold is flooded with petrol and won't start.

The setup was originaly on a Mazda 1.8 GTX (turbo) and that worked fine until a faulty wastegate screwed up the whole engine. We had a non-turbo 1.8 standing in the corner of the workshop (basically the same engine) and decided to use that one to keep the car driveable for the time being.

picture of the engine is here

Some details:
Mazda 1.8 dohc 16v
MS-II v3.0
EDIS4 Motorcraft ignition module
Motorcraft EDIS coilpack
36-1 Triggerplate
VR sensor
GM Open element IAT sensor
GM 3 bar map sensor
FSE powerboost valve
Walbro 255l/ph pump
Custom made billet fuelrail
590cc Delphi high impedance injectors
Innovate Motorsports LC-1 wide lamdasensor

Things we checked:
Coilpack works (bought 2 extra packs to be sure)
Triggerplate is set-up correct (the same as on the turbo) and is 90° ahead of the VR sensor, just as te manual describes. Settings in tunerstudio are correctly as supposed to the settings in the manual. These settings were working on the turbo'd engine.
Compression and engine timebelt; both correct.
All leads seems to spark properly

We have tried to start with the fuel pressure as low as the FSE pressure valve lets us. No change, exhaust manifold flooded. Tried to change the Injector control with the built-in calculator and set it to 5.2 (2.6msec). On the turbo'd engine it was on 12 (we are still not sure if this was correct). No effect, even with the required fuel setting on 3.5 it does not do anything else but flood the damn thing. Changing about with the trigger offset does not tell us much.
Fuelmap (AFR targets) is checked, used a default and clean map, no luck there also.

Switching over the leads from cilinder 1&4 and 2&3 does not help either. While cranking it seems to work against itself.

As you can see, I am lost.

Were to start to get this thing running again?

[Matt Cramer]

Please post a copy of your MSQ and a data log of an attempted start.

[barreljan]

Alright, will do tonight when I am home. Did not have logging enabled yesterday, so I need to try to start again to get te logs. No prob.

[barreljan]

Last night we had some other start attempts with some replaced parts, like the edis4 module (bought 2 of them of the local scrapyard). Did not help. We decided to change the config to a saved one for the MOT, we were sure that worked fine. It helped somewhat (comparing had 2 differences; engine displacement 110 against 112 c.in and the trigger offset 15 against 0). After a start attempt we did a full turn on the pressure regulator and it kept on running.

Except; it was running on only cilinder 2 and 3. Cilinders 1 and 4 were not firing, only soaking wet of fuel. Checked out all the sparkplugs and leads, all 4 were sparking nicely. Leads are connected correctly for this edis system (coil a, cil1&4; coil b, cil2&3), just like the sticker on it suggests. Or is this wrong? Checking the timing belt and posistion of the both camshafts and crank showed us a perfect aligned setup. Check the space between the triggerwheel and sensor and that was 1mm, what should be good (0,75 to 1,5mm I remember)

The msq and 2 logfiles are online: here

What seems to be the problem here?

[Matt Cramer]

How are the injectors paired - which injectors are on what bank?