Re: Rough Cold Idle
there is a small hole on the throttle body blade that allows air to come in at idle. Make sure this small hole is not clogged up or blocked in any way. If it is only during the cold, moisture may be getting in there somehow and causing the maf to read poorly upon cold start up. clean the maf and the throttle body and see is that helps. If not, try the fuel filter, mine acted up during the cold before, because it was dirty and needed replacing.
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2001 Z/28 LS1. Texas speed cam 231/237 598/595 112 lsa, .660 lift springs,7.4 hardened pushrods, lid, LT headers,TSP X pipe,Texas speed "true duels",Richmond 4.10 gears, stud kit, Thunder racing girdle cover, Spec stg 3+ clutch, ARP rod bolts, clevite main and rod bearings, 25% underdrive pulley, SLP 85mm MAF,black ZR1 rims 315/35/17 Nitto DR's, BMR subframes, BMR LCA's, Edelbrock TQ Arm, BMR pan hard bar. LS2 timing chain and gear set, LS6 ported oil pump.... Tuned by R.P.M. Performance. All labor done my ME and a few good friends !!!!
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