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Old 08-14-2021, 03:47 PM   #1
HTX86chevy
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Join Date: Feb 2010
Location: Houston, Tx
Posts: 349
engine bogs under load

have an 84c10 with 5.3/4l60e swap DBC
truck bogs down under acceleration. idles fine but will only speed up gradually and falls flat when I step on it. fuel pressure is steady at 58psi

things I have changed:
MAF
Fuel pump
fuel regulator
throttle body
fuel filter
complete wiring harness

codes that just popped up recently are:
p0107 manifold absolute pressure/ barometric pressure circuit low
p0342 camshaft position sensor A circuit low bank 1 or signal sensor
p0740 torque converter clutch circuit/open
p0753 shift solenoid A electrical
p0758 shift solenoid B electrical

what would you guys check 1st?
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