vtec sputers help me

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was running my hatch now has b18c, vtec started sputtering as soon as it ingaged, at 5.5k and would sputter till about 7k then be ok. this happens in every gear no cel lights oil is full same computer i was running on my b16,
wtf help please cant think of why this is happening.

[95GSRB18C]

check your oil level. if its too low, it wont engage. also might wanna check the coolant.

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no cel lights oil is full .
oil is full so is coolant any other ideas

[HONDA GHANDI]

Start looking into ignition system components.

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as far as? what could be causing it? bad coil ignitor aor maby bad wires or plugs? or doyou have a specific idea

[HONDA GHANDI]

Not unless I had the car in front of me doing it. Since I cant diag cars over the internet with my majical powers all I can do is try to help you fix it yourself. That starts with diagnosing it yourself.

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its all new stuff thought you might have seen this before.and had a good out come by replacing a certian part.

[HONDA GHANDI]

I have seen this problem before and it usually needs diagnosis. Its never the same part. Sometimes it isnt a part at all.

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found problem. previous owner of the motor had installed bosch plugs. and they were loose to boot , i should have checked them when i trew it in oh well vtec is good now.