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AU Running on 3 Cylinders 


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 Post subject: AU Running on 3 Cylinders
Posted: Mon Feb 25, 2019 12:44 pm 
Fordmods Newbie

Posts: 2

Joined: 23rd Feb 2019

Ride: AU Falcon

Location: Sydney
NSW, Australia

Hey guys

My AU ute crapped itself last week.

A few days prior I noticed a bit of a shudder/hesitation here and there when accelerating.

Then on the day it went bad, I was out driving and it suddenly went really rough when accelerating, then about 10 min later started shaking and going worse.

It chewed through a heap of fuel in like 5 minutes almost running me out. the engine overheated too, which it has never done.

I've had some time to check over it all now, cylinder 2 and 5 ain't got no spark (I know it's a wasted spark so I get the 2 not working together)

When I pull the leads off 2 and 5 at idle, the revs don't drop at all.

Replaced plugins and leads, still the same.

Starts easy, no trouble.

If I rev it to 4-5k, it suddenly goes smooth.

Spitting out a lot of fuel from the exhaust though.

Would anyone have any suggestions on what to check or ideas what it could be?

Thanks heaps in advance.
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