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Running on 3.....

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Old 24-04-2008, 07:43 AM
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cossymad
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Default Running on 3.....

OMEX / FRS injectors / Coil packs.
Changed plugs and one had split in half, but on fitting new ones, it is still the same.
No smoke, no water loss, car idles and drives like a Scooby, with at the moment, the same sort of power.
Any other possibilties?
Old 24-04-2008, 08:42 AM
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Nash_mr2
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head gasket blown between cylinders?

I had exactly the same symptoms on an old clio i had (sounding like it was running on 3) - changed the plugs, HT's, Coil, u name it i changed it! - still ran the same

someone suggested my Head gasket may have gone, i was like "Yeah, as if, am sure i'd know if that happend".......so i whipped the head off to find that the gasket had indeed split between the 2 middle cylinders so they were loosing compression between each other! stuck a new gasket on, job done!
Old 24-04-2008, 08:43 AM
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cossymad
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Originally Posted by Nash_mr2
head gasket blown between cylinders?

I had exactly the same symptoms on an old clio i had (sounding like it was running on 3) - changed the plugs, HT's, Coil, u name it i changed it! - still ran the same

someone suggested my Head gasket may have gone, i was like "Yeah, as if, am sure i'd know if that happend".......so i whipped the head off to find that the gasket had indeed split between the 2 middle cylinders so they were loosing compression between each other! stuck a new gasket on, job done!
Hope not....just had new one not so long ago!!!
Old 24-04-2008, 08:46 AM
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easiest way to tell would be to get a pressure test done, will save you a lot of ball ache in the long run
Old 24-04-2008, 04:18 PM
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Originally Posted by Nash_mr2
easiest way to tell would be to get a pressure test done, will save you a lot of ball ache in the long run
good advise

Chris, was there any of the old spark plug missing, it could have damaged an exhaust valve.
Old 24-04-2008, 04:21 PM
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cossymad
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Originally Posted by GUZZLER
good advise

Chris, was there any of the old spark plug missing, it could have damaged an exhaust valve.
Not missing, just split!
Old 24-04-2008, 05:35 PM
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Do a compression test on all cylinders with all the plugs out
Old 29-04-2008, 09:46 PM
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injector not firing?
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