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Missing on one cylinder

ozfreerider1

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Hi all. Ive changed spark plug, lead, coil, what sugestions would you have for the next thing also how do you pull out a injector, I guess they dont screw in, Ive read afew things on here but I just want to check it thanking you
Sweet shock
 

ephect

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how do you know its missing on 1 cylinder? what are the symptoms?

the injectors are held on by the fuel rail, i know on the ecotecs you need to remove the upper intake manifold to access the bolts to remove the injectors, im not too sure with the buicks setup.
 

soop

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Just unbolt the fuel rail and pull the injectors out.

I've a feeling I've got some VN injectors floating around in the shed somewhere.
 

ozfreerider1

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Its missing because I checked the plugs and found which one it was, Thanx for the info, The symptons are, start motor, it idles good for 15 seconds then stops firing on the same plug every time, theres fuel on the plug no 1 according to the coil
 

acarmody

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Could be a dodgy coil pack.
 

ephect

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hako

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If it was a bad coil it would be felt on the other plug the coil fires as well I think....
 

ephect

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very true, but it costs nothing to swap, and rules it out.
 
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