04 5.4 bogging down
05-30-2015, 09:59 AM
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04 5.4 bogging down
History: It started with timing chain guides breaking. I've replaced chains guides and tensioners. While in there I replaced both cam phasers and solenoids. Then replaced plugs and coils. I've tested for clogged cats, changed throttle body, cleaned MAF, replaced FPDM and fuel filter...it still bogs down from 0-20mph and again at around 40mph and then again at 55mph. I'm leaning towards the transmission range sensor now... Any suggestions ??
