misfire at higher boost
31 December 2007, 03:58 PM
#3
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31 December 2007, 04:06 PM
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im not trying to worry you but mine did that for about 3 months then a con rod snapped and mashed all the engine casing up inside, the missfire was caused on mine because the conrod was bent, not giving the right compression, causing a slight missfire, i would do a compression test just to make sure, it ended up costing me a lot more when it snapped, than it would have if i changed it, good luck jons.
31 December 2007, 04:23 PM
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what year?
most likely spark related as suggested.. if an early car then could be coilpacks, or ht leads.. also clean and regap the plugs.
compression issue would give a lumpy idle too
Simon
most likely spark related as suggested.. if an early car then could be coilpacks, or ht leads.. also clean and regap the plugs.
compression issue would give a lumpy idle too
Simon
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31 December 2007, 05:08 PM
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i had a 1996 sti last year and mine developed a missfire under hard acceleration at about a bar of boost and i replaced the large coil pack on top of the inlet manifold and that cured the problem you could try that??? thats unless u have the earlier type with the four single coil packs?? worth a try. hope this is of some use to you.
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