Hesitation after augmented boost
Hi Scoobynet
My Impreza GC8 from 98 has been running stock boost (0.95bar) up until now. It runs fine - but when I raise boost to 1bar with an MBC, it starts hesitating and idling rough. Sometimes it'll cut out. If I let it sit overnight, it'll be fine the day after, until I hit 1 bar again. It's running NGK 6 spark plugs - could this be a symptom of this plug being too hot for the new boost level, or does it sound like a totally different problem? Current mods are: 1 bar through mbc Downpipe with sports cat Sports catless from dp Simota panel filter, silicone hoses Walbro fuel pump |
so you upped the boost, played around with the exhaust, changed the fuel pump, didn't have it mapped and wondering why its driving like a bag of spanners?
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No it has been running fine, and I know several people with a similar setup (no remap) on a gc8 that run fine. The old classics seem a little more forgiving.
I'd just like to have everything in order (spark plugs etc.) before a remap. |
Best of luck, bud.
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It needs a remap, simple.
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If that's all it needs, I'll just go for it - I just wanted to make sure nothing else was an issue before taking the step. Thanks.
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Again...best of luck. The 98 ecu isn't remappable.
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Exactly: I'll need a different ecu, hence my wish to minimize risks before this expensive operation.
Since you all advise me to just do it with the same std. spark plugs and everything, I may be overthinking the "prepping stage". |
for the price of em chuck some 7's in instead of 6's to make sure.
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plug gap ?
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