Compression Ignition Addict
Join Date: Apr 2007
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On vehicles built before Sept 29, 2003 (PCM ignores EBP sensor input and infers the value from the MAP and MAF sensors). On these vehicles, the MAF is used for fuel correction. The PCM will learn MAP and MAF and then learn the VGT action by cycling the VGT duty cycle in steps from 85% to 0%, and then back up, again in steps. It will learn the MAP and MAF action during this process. It takes 6 cycles to learn the VGT. P132b will be set if the PCM determines that there is something wrong with what it learned for MAP and MAF as it relates to VGT duty cycle.
Maybe a MAF sensor issue? Still might be a VGT actuator issue - I assume that the rebuilt turbo did NOT come w/ a new VGT actuator?
06 F250CC SB FX4 Lariat; ARP studs; OEM gaskets; Banks exhaust; DynaTrac Ball joints; RACCCV6000; JimmiJammers; Ravelco; SynchroMax in trans case; Fumoto valves; Harpooned; Blue regulator spring; DashDAQ; PHP FICM; RiffRaff boots; DCPower 270AXP; Power Inverter; Bilstein shocks; BPD EGR cooler, radiator, water pump; SCT w/ SRL+; Rotella ELC Ultra Coolant; X2Power AGM batteries
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