HELP! Car goes super lean (o2 CEL, NEW OEM o2, 300mi fresh motor) on highway...
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12-05-2012, 08:19 AM
S Ga / Hell Rock
2002 USDM WRX
double check all vacuum line around intake manifold.
also check for leaks around the intake manifold.
have seen several motors go from14.7 to lean during warm up
due to a leak at base of tgv to heads
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