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[Sir Tigger KC]

I've had a miss fire lately that's been steadly getting worse.    She starts, ticks over, and generally runs fine, but has tended to splutter when I plant my foot down! 

There's abit of an oil leak so I thought that a cam cover was leaking.  However I've stripped it down and there's no oil in the plug wells and the cam covers are dry around the outside seals. 

I changed the dispack last year after there was a leak in the scuttle, but thats all dry now so I think thats OK..  and I've got a new set of leads and plugs to put in.   

The plugs don't seem to be in very tight though and I'm wondering if she's losing compression when driven hard, causing the splutter 

[dbug]

Misfire normally ignition related - plugs, points and diss pack.

As you've changed diss pack (genuine Vx or Bosch? - asuming OK) next point of call would be change plugs, tightening up to recommended torque.

If still missing likely to be plug lead(s) - are they tightly connected to plugs and disspack?

HTH

[Sir Tigger KC]

The dis pack I fitted last year was a pattern one.... 

New leads and plugs going in!! 

[dbug]

The dis pack I fitted last year was a pattern one.... 

New leads and plugs going in!! 

May well be ok but at this stage I wouldn't be 100% sure of it 

[Sir Tigger KC]

I decided to 'whip out' the dispack to have a look and it was wet, but no signs of corrosion, so hopefully it's OK! 

I'm going to fill all the recesses on the top of the dispack with silicone, so hopefully any wet that gets in will run off..... 

Last time I replaced the scuttle I put enough silicon around it to seal the Titanic.... Not good enough evidently!! 

[Sir Tigger KC]

Put it all back together, turned the key and now she's running like a box of nails!!  Bugger!! 

[The Red Baron]

I decided to 'whip out' the dispack to have a look and it was wet, but no signs of corrosion, so hopefully it's OK! 

I'm going to fill all the recesses on the top of the dispack with silicone, so hopefully any wet that gets in will run off..... 

Last time I replaced the scuttle I put enough silicon around it to seal the Titanic.... Not good enough evidently!! 

shame they didnt have any in 1912. 

[HockeyDave55]

Put it all back together, turned the key and now she's running like a box of nails!!  Bugger!! 

How are the plugs and leads? Is there any oil in the spark plug holes???

[Sir Tigger KC]

New plugs and leads! There's something not put back right and I can't think what! I'm probably going to have to strip it all down again...... What a bloody PITA!!! 

[Sir Tigger KC]

I've just done the paperclip and I'm getting code 19, which is 'incorrect rpm signal'....

Anyone know what causes this? Just so I've an idea what I've done!! 

Thanks 

[RobG]

I've just done the paperclip and I'm getting code 19, which is 'incorrect rpm signal'....

Anyone know what causes this? Just so I've an idea what I've done!! 

Thanks 

Crank sensor

[Sir Tigger KC]

I've just done the paperclip and I'm getting code 19, which is 'incorrect rpm signal'....

Anyone know what causes this? Just so I've an idea what I've done!! 

Thanks 

Crank sensor

Would an iffy crank sensor have caused the original missfire?  I'm not sure that I unplugged it, might have tho and might not have replugged it....

[Sir Tigger KC]

Hell!! Just spoken to the local dealer and a crankshaft sensor is £67 or £91 + VAT depending which one I need!!

Do these tend to go suddenly? or is there a deterioration?  Would something I've done kill it?