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Old 02-20-2009, 06:34 PM
lrazer's Avatar
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Join Date: Jan 2009
Posts: 47

my truck was running rough i ran a koeo test got a
P1275 Cylinder #5 High to Low Side Open

what does this mean and how it it fixed
14 F550 CC 4x4
05 2500HD CCSB Duramax
02 F250 CCSB 4x4
-aFe Stage 2, 4" TB Exhaust, P.I.S. 160cc/30%, GTP38R, DP Tuned
-ITP Overboost Annihilator, JW valve body, Regulated Return
02 F250 CCLB 4x4 ZF6
02 F250 SCSB 4x4
-AIS Intake, 4" TB Exhaust, DP Tuned
01 F250 SCLB 4x4
-DIY Intake, 4" TB Exhaust
99 F550 RC 2x4 ZF6
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