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Thread: Running lean
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11-12-2007, 09:27 PM #1Member
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- Oct 2007
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triple black- 02 z28 m6
Running lean
ok so ive been running lean for awhile now. It started right after intake manifold installation. Any suggestions?
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11-13-2007, 07:01 AM #2Member
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- Aug 2006
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- Kentucky
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Silver- 2002 WS6 Trans Am
What intake? LS6? Other mods? You probably could use a tune.
2002 WS6 Trans Am, A4, SLP lid, P&P TB, 3500 stall, 24K GVW tranny cooler, HPTuners, Pacesetter LTs, Bassani dual exhaust with 'x' crossover, coolant bypass, sealed airbox to hood.
http://www.cardomain.com/id/jag42420
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11-13-2007, 07:33 AM #3MOTOR CITY MARO'
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- LIVONIA,MICHIGAN
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PEWTER- 2000 CAMARO SS #3821
My aftermarket maf caused lean codes until i put the stock one back on. The factory tune will not allow much room before throwing a code.
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11-13-2007, 07:49 AM #4SUPREME member-oderator
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Custom Slate Blue- 99 B4C
I would think something isn'e sealed up so you're getting unmetered air in the engine. If the air comes from anywhere other than through the maf, the car won't add fuel to compensate for the extra air and you'll go lean
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11-13-2007, 08:51 PM #5Member
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- Oct 2007
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- Union Beach, NJ
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triple black- 02 z28 m6
i know i need a tune, but im waiting until i get my exhaust installed. I was just wondering if anyone else had any problems with aftermarket intake manifolds not sealing correctly.
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11-13-2007, 11:34 PM #6Member
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- Jun 2007
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- Modesto, CA
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- 307
Red- 1998 Camaro Z28
have you checked for any leaks?
M6, Lid, Ported and Polished Throttle Body (By Me!), LT, Custom Catted Y, Electric Cutout, PHB, LCA13.21@108 with a 2.3 60'
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