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5000 rpm misfire! Boost?

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Old Jul 10, 2005 | 04:00 PM
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imalwaysin
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Default 5000 rpm misfire! Boost?

ive got a UK 1996 Turbo
recently in gears above 1st so 2,3 etc

when the car reaches roughly 5000rpm it misfires badly like it doesnt want to go any further- then carries on and in 2nd gear does the same at roughly 6500 rpm?

any ideas! cos its doin ma nut in!
gonna clean the Maf and Boost solenoid, c if that helps!
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Old Jul 10, 2005 | 04:22 PM
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reset the ecu as well. This hot weather isn't helping
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Old Jul 10, 2005 | 04:54 PM
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Possibly plugs, usually some of the 4 coil packs are failing by that age or have been recently disturbed, if that year has individual coils packs not the central one.
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Old Jul 10, 2005 | 11:41 PM
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If your going to change the plugs get ngk7b's, Rock auto's will order them in for you next day
I will give you a ring when I finish work tommorrow.
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Old Jul 11, 2005 | 12:31 AM
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Originally Posted by ticky
If your going to change the plugs get ngk7b's, Rock auto's will order them in for you next day
I will give you a ring when I finish work tommorrow.
I had the same problem, changed my plugs and it goes like a rocket now. I went for the NGK6B's rather than the 7's. I wouldn't recommend the 7's unless you have done alot of engine mods or spend most of your time at very high speeds as the 7's are a colder plug and at low speeds (30-50mph general round town) you will get alot of fowling on your plugs.

But that is just my opinion, some people on here may say otherwise.
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Old Jul 12, 2005 | 12:29 AM
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imalwaysin
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ok well wont need any plugs i hope cleaned the maf! cleaned the boost solenoid and the pipe which was in the bottom of th esolenoid was loose on the other end! maybe it was that , apart from that it runs fine well got slight oil leak somewhere near the sump!
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Old Jul 12, 2005 | 01:19 AM
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Doh!

Hope it works.

The oil leak is probably from the cam cover gaskets / seals .. frequent failure before 100,000 miles, parts cost about £45 if you can do your self .. don't forget the special subabu adhesive/gasket stuff.
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