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Model specific boards => Golf mk2 => Topic started by: chrisfletcher on 27 June 2012, 17:53

Title: Head change now no spark :(
Post by: chrisfletcher on 27 June 2012, 17:53

Hello, i just swapped the head from my old golf to my new one and now for some reason she doesnt spark up, ive checked power to the coil pack and it shows 12v and then drops to 8v (ish) when turning over.

Ive also replaced the coil to a working one, leads, dizzy (complete) ignition module :(

Please help, also if theres anyone in the lincoln area willing to pop on over that would be very helpfull.


Chris

Title: Re: Head change now no spark :(
Post by: molegti on 27 June 2012, 18:05

Did you line the pulleys up when you changed the head? Given its been off id suspect that first. Do the plugs spark out of the engine?

Title: Re: Head change now no spark :(
Post by: chrisfletcher on 27 June 2012, 18:22

nope nothing out the head, even out of time i would still get a spark

Title: Re: Head change now no spark :(
Post by: dan_apps on 27 June 2012, 20:42

You say ignition module just changed was it new or second hand? Is it genuine?

Title: Re: Head change now no spark :(
Post by: Mr Blue on 27 June 2012, 21:06

Even if the ignition moduel is broken it can sometimes spark but wont run (digifant 8v)

but what engine is it? I would say the dizzy or you forgot to put the rotor arm back in  :grin:

Title: Re: Head change now no spark :(
Post by: chrisfletcher on 27 June 2012, 21:56

right managed to get a spark, what does a good spark look like?

Title: Re: Head change now no spark :(
Post by: DarnPB on 27 June 2012, 22:29

A good spark will be bright blue. A poor spark will be yellow. If you have a good spark, it will be ok installed. If you have a pissy little yellow spark, it will probably not spark installed under compression.

Make sure all your pulleys are properly aligned. If the dizzy pully is out its not a biggy, just reposition the distributor.

Oh, and check your earths!! :afro:

Title: Re: Head change now no spark :(
Post by: oakgreener on 28 June 2012, 09:50

8 volts at the coil does't seem enough to me. Is your battery on the way out? The starter motor draws a hell of a high current and if your battery is knackered it wont be up to it.
Try getting a jump start. Good luck

Title: Re: Head change now no spark :(
Post by: Mr Blue on 30 June 2012, 23:11

Just a bump for your the other thread you made.

You sure the timing isnt 180 deg out?

Title: Re: Head change now no spark :(
Post by: Jimmyrallye on 30 June 2012, 23:26

Could be immobiliser problem :( i had to pull mine out couple of days ago as it armed it self and the golf wouldnt start .. Upon removeing it half of it wos wired in with a speaker wire  :laugh: cwazy sh!t man

Title: Re: Head change now no spark :(
Post by: chrisfletcher on 01 July 2012, 00:06

it had worked before though thats what i dont get :S

Title: Re: Head change now no spark :(
Post by: chrisfletcher on 01 July 2012, 00:14

Right me again,

Ive been working on the car and now i have everything you need to make a car work yet she still isnt running.

I have;

Spark
Fuel
Compression
Timing

Yet why will it not start what am i missing.



Chris

Title: Re: Head change now no spark :(
Post by: Mr Blue on 01 July 2012, 00:27

Guessing its the 8v digifant engine?

Does the fuel pump constantly run with the ignition on? it should only prime for a few secs

Title: Re: Head change now no spark :(
Post by: chrisfletcher on 01 July 2012, 17:50

fuel pump primes only as normal, about 2 seconds or so

Title: Re: Head change now no spark :(
Post by: oakgreener on 01 July 2012, 18:57

Have you checked it's not 180 degrees out ( re. Mr Blue, earlier reply??)
Rotor arm should be by no.1 plug lead with engine at TDC

Title: Re: Head change now no spark :(
Post by: chrisfletcher on 05 July 2012, 19:49

we tried that, ignition on and a bang, amused it was the excess petrol and now nothing :S still just turns over