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2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

B O G !! Need answers!

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Old 03-10-2012, 12:08 PM
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B O G !! Need answers!
My lsj tends to BOG/cut out when I am runnin high rpm's in 3rd and 4th gear. Is this a tune Problem? Fuel problem? If anyOne can help I'd appreciate it
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Old 03-10-2012, 12:26 PM
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bog as in engine bouncing?
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Old 03-10-2012, 01:06 PM
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Originally Posted by turbosmart4
bog as in engine bouncing?
No my engine doesn't bounce it just bogs out when I'm runnin high rpm's
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Old 03-10-2012, 02:09 PM
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mmmm injectors?tune? gas filter?spark plugs? im not familiar w this but these could be related
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Old 03-10-2012, 03:21 PM
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Probably spark blowout, what are your spark plugs gapped at
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Old 03-17-2012, 12:00 PM
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Im having this same problem mine are gapped at 40 and i have a 2.8 pully with 60s
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Old 03-17-2012, 12:48 PM
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Although .040" is technically the "Correct" gap, most people includeing myself have had better success with smaller gaps. Try arround 0.032 - 0.035 " Espessly if your running a smaller pulley and larger injectors.
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Old 03-17-2012, 01:01 PM
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had the same kind of bog he was talking bout, pulled the plugs outa nd now gapped them to .032, was .035. not really a differance lol. atleast i can tell.
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Old 03-17-2012, 03:14 PM
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If its any help im running WAY to lean
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Old 03-17-2012, 06:16 PM
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check for a vaccum leak
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Old 03-17-2012, 10:47 PM
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Ill load a pic tomorrow up of a sensor that's got a nipple on the bottom for what I think is a vacuum line but I can't figure out where it goes
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Old 03-18-2012, 01:27 AM
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if it is the sensor that is bolted on the head above the oil filter cap its your baro sensor and nothing hooks to it its supposed to be open
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Old 03-18-2012, 01:33 AM
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Originally Posted by The Azian
My lsj tends to BOG/cut out when I am runnin high rpm's in 3rd and 4th gear. Is this a tune Problem? Fuel problem? If anyOne can help I'd appreciate it
mods would help lol
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Old 03-18-2012, 02:13 AM
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Originally Posted by mrbelvedere
if it is the sensor that is bolted on the head above the oil filter cap its your baro sensor and nothing hooks to it its supposed to be open
Damn it thats it lol any other ideas?
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Old 03-18-2012, 08:29 AM
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Originally Posted by Chris_20133
Im having this same problem mine are gapped at 40 and i have a 2.8 pully with 60s
why? lol. like said gap the smaller like .032 and try that. where are you sourcing tuning from?
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Old 03-18-2012, 10:09 AM
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mass air flow in the cold air intake you should clean it and the TB also that help mine.
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Old 03-18-2012, 01:13 PM
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Originally Posted by 05Slowline
why? lol. like said gap the smaller like .032 and try that. where are you sourcing tuning from?
40 is always what I was told lol but imma try 32 right now and I have a Trifecta Tune

Originally Posted by Shogokuma
mass air flow in the cold air intake you should clean it and the TB also that help mine.
Did that already lol
Last edited by Chris_20133; 03-18-2012 at 01:14 PM. Reason: Automerged Doublepost
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Old 03-18-2012, 01:18 PM
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is ur down pipe/cat ok?
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Old 03-18-2012, 01:32 PM
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Originally Posted by turbosmart4
is ur down pipe/cat ok?
3in no cat but I do have the stock exhaust hooked to it cause im waiting for it to run so I can take it in to an exhaust shop could that be it?
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Old 03-18-2012, 01:39 PM
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na stock exhaust wouldnt make it cut out
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Old 03-18-2012, 01:39 PM
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i really dont know, but i once had a bad cat/dp that made my car bog in every gear like at 5k , it was clogged bad
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Old 03-18-2012, 03:43 PM
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So I made it worse now change the fuel filter and disconnected the exhaust and now I can't even get it to fire up fml
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