1 rotor running?

Started by ash, March 26, 2007, 10:43:29 AM

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ash

Hi all,

A quick question if you dont mind.

I cleaned my spark plugs on Saturday with a wire brush, plugs looked a little black but were in good condition. Put all plugs back in, 9\'s in all chambers. Started the car and it sounded as if it was firing on 1 rotor, very very lumpy. I checked the leads and i dont thing the top right blue lead was fully plugged in.

Took the plugs out again, except the bottom left one and there was fuel on them. So dried them and put them back in. I didnt do the other because the opposite plug on the other rotor was dry - so i thought that it would be dry to. Went to start the car, and it was as if there was no spark. Tried the EGI fuse thing removal and it didnt work. Have i flooded the car by not having the ignition lead connected and will leaving it for 5 days allow the plugs to dry naturally?

Sorry, got carried away ;)

Any ideas?

teabagger

I wouldn\'t want to leave fuel sat in my housings if it had flooded. If it has flooded you need to take the plugs out, crank the engine to get the petrol out and then put a teaspoon of oil into the housings to help the seal to form between the apex seals and the housing (as the petrol will have washed it away).
It will probably be pretty rough to start with once you start her.

ash

If i take the plugs out would i need to remove the EGi fuse as well to stop it sparking when i try and crank it?

Do i need to put oil, direct into where the spark plugs go into the housings??

Cheers

teabagger

Not sure to be honest but I\'m guessing it would be a good idea. Here is how to remove it:

http://www.mazdarotaryclub.com/forums/showthread.php?t=36553

ash

I have been searching the forum for EGi fuse etc, and although i did this method a long long time ago i cant remember if i took the correct egi fuse out.

Do i remove the one next to the Battery (small 30A pink in colour) or the larger one yellow in colour slightly higher up in the engine bay?

Freddy

Yellow one, EGI main fuse relay.

Start it up, if initially lumpy. I\'ve found a short drive or rev it gently through the rev range a few times will soon clear out the excess.

ash

Thanks Freddy! So i was taking out the wrong one!! No wonder the deflood method didnt work!

May see if i can try at lunchtime then, fingers crossed!

teabagger

Good luck, and don\'t forget to put a dribble of oil in otherwise it\'ll struggle to make compression.

tomotadahira


ash

Well, i popped home and it fired but then very quickly died - possibly way too much fuel in there now.

Problem is, how do you get the Yellow Main Fuse out. It seems to be well and truly stuck in there. is there a special tool, or is it suppose to just pull out??

P.s I will remove the plugs and clean them tomorrow evening, just didnt have enough time 30mins travel and 15mins to try and start the car (45min lunch break!!!)

chris

The EFI fuse is pink, this is the centre fuse on the battery terminal set of fuses, it is purely a pull out fuse, it has a clear top with 30A embossed on it!

You MUST remove this before you crank the engine with the plugs out otherwise you are quite likely to ignite the mix as it blasts out of the blug holes:2Confused

Freddy

Use a plier to pull out the Yellow EGI Main Fuse. The plier in the tool box in the boot of an fd is ideal. Or use something similar.

banned advertiser

I also put mine in an oven very hot, need good gloves and it worked a treat with them preheated.

mattmaclennan

The EGI fuse is on the battery fuse box. it\'s the one in the middle of the five and usually pink. Pull it out and crank the engine with the throttle wide open until you can\'t see any more fuel vapour "chuffing" out the spark plug holes. Clean and dry the plugs and refit them ensuring the leads "click" on to the electrodes. Repalce the EGI fuse and start the engine with loads of throttle. Run the engine for at least 5 minutes, or imediately tale it for a drive. Allow the engine to warm up properly, don\'t just leave it idling.
If it drops on to one rotor when idling, your plugs/leads are buggered or you have a sticky injector... as long as it always starts, your engine compression is probably fine.

Grizzly

Quote from: rotaryart.uk.comI also put mine in an oven very hot, need good gloves and it worked a treat with them preheated.
I like to use a Gas Hob to warm my plugs if i get a flood, You can get them realy  warm and there still hot by the time your Screwing the Plug back in (you can hear the Fuel in the plug hole sizzling)

If i was you i\'d be putting a Fresh set of plugs in anyway, Rotarys can be a Bugger to start if they flood. My advice would be EGI fuse/Plugs out Spin the Motor over for a Minute or so until the White vapour stops coming out the Plug holes, fresh plugs then Try it, if that Fails repeat but (oviously dry the New plugs on a gas Hob or Blow torch) then Tow it round the Block.

Its Important your Battery is Good too so if it starts to struggle don\'t flog it just Charge it back up. BTW I have no idea what colour it is but the EGI fuse lives in the Long thin Fuse box next to the Battery and is quite large (can\'t miss it)