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Model specific boards => Golf mk2 => Topic started by: emery1990 on 20 August 2011, 20:57

Title: Firing two cylinders
Post by: emery1990 on 20 August 2011, 20:57
On my 9a only cylinders 1+2 are firing, Ive swapped leads sparks plugs, checked fuel but 3+4 do not fire, compression is ok aswell. I rotated my dizzy around 180 degrees as said my RJ but still only 1+2 fire. WTF could it be. :angry:
Title: Re: Firing two cylinders
Post by: danny_p on 21 August 2011, 13:20
what engine what managment
Title: Re: Firing two cylinders
Post by: emery1990 on 21 August 2011, 15:21
9a running ms1 v3 running a dizzy. The spark plugs in the non firing cylinders are clean, whilst 1+2 are black (rich map atm) swapped everything around but only 1+2 fire up. Thinking it can only be the dizzy or hall sender or no fuel getting into cylinders somehow. Fuels coming out of all the injectors.
Title: Re: Firing two cylinders
Post by: danny_p on 21 August 2011, 19:11
simpels i bet thats in the settings

email me a copy of your MSQ and i'll have a quick look through it if you like
Title: Re: Firing two cylinders
Post by: emery1990 on 21 August 2011, 20:46
I hope it's simple! dont remember doing anything to ignition in ms, but could of without knowing! Pm me your email and i'll send a copy of it.

Cheers
Title: Re: Firing two cylinders
Post by: emery1990 on 23 August 2011, 20:12
If my map is asking for too much fuel than my injectors can give what would happen. Ive got normal abf injectors in atm which are like 220 cc aren't they. Which when put into required fuel says 15. Atm mine says 11 cant remember what size the ecu builder said I needed.
Title: Re: Firing two cylinders
Post by: danny_p on 24 August 2011, 00:24
req fuel   being wrong would just offset the values in the VE tabel.

so th values would ether be larger than they should be or smaller but it would behave the same on all four cylinders.

if it's only fireing on two cyls  the problem is with ignition settings.

if you send an eml with the msq as an attachment to dannyp1595athotmaildotcom  and put megasquirt as the subject i'll have a look when i get 5 mins 
Title: Re: Firing two cylinders
Post by: emery1990 on 24 August 2011, 16:46
Ahh right ok, I may just change required fuel to what it should be to see if it makes a difference, well after if youve found anything wrong with the ignition. It is sent under megasquirt as asked.

Thanks
Title: Re: Firing two cylinders
Post by: emery1990 on 27 August 2011, 16:31
Right basically I haven't got fuel going to cylinders 3+4 as when I pull the wires going to them the engine note stays the same, then when one of either 1+2 is pulled, it stalls near enough.

But when I checked last all 4 inj where squirting! could something after the inj be blocked?
Title: Re: Firing two cylinders
Post by: emery1990 on 27 August 2011, 16:45
Oh and what does it mean if when starting my car it just makes a whizzing noise, as if the starter motor isnt attachted and just spinning. ..Starer motor :) Not so upset now
Title: Re: Firing two cylinders
Post by: danny_p on 31 August 2011, 00:03
basic setting>  engine constants 1.

try changing " squirts per engine cycel"  from 1 to 4    it should like that a lot better
Title: Re: Firing two cylinders
Post by: emery1990 on 31 August 2011, 19:23
OK thanks mate, im going to get a new injector rail aswell, people seem to think my injectors could be knackered, as someone's giving me there map which is a 2.0l 16v and it's still the same. if someones got one with injectors and the plug let me know!
Title: Re: Firing two cylinders
Post by: danny_p on 01 September 2011, 20:49
anothe rpossoblity that chould cause it to run really awfull is   the ignition output you can set it to inverted or not depending on how you are driveing the coil,   if it set to the wrong one you can get an engine to run but the actual point of ignition is nolonger really controlled so weird stuff  can happen just try quickly swaping it over and see if it makes a massive inprovement
Title: Re: Firing two cylinders
Post by: emery1990 on 02 September 2011, 15:04
Ok thanks mate, awaiting my starter motor atm then I'll try that out.