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5000 rpm misfire! Boost?

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Old 10 July 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!
Old 10 July 2005, 04:22 PM
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DaveC1
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reset the ecu as well. This hot weather isn't helping
Old 10 July 2005, 04:54 PM
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vulnax999
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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.
Old 10 July 2005, 11:41 PM
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ticky
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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.
Old 11 July 2005, 12:31 AM
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WRXtra power
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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.
Old 12 July 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!
Old 12 July 2005, 01:19 AM
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vulnax999
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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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