Slow accceleration

jpow95

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Got a 6.0 2003 studded new heads power max stage 1 turbo new hpop new injectors new icp 4 inch straight pipe new ficm and custom tunes from dyno proven fuel pressure at 60psi and on wot really laggy like almost no turbo once up at highway speeds it's fine but off the line or driving down the road and give it wot and it's just slow any ideas


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jpow95

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Installed factory turbo acceleration got better but still laggy gonna try a different wire harness and go from there


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jpow95

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New even swapped map sensors with a donor


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jpow95

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It has a chatter popping under wot only at certain times and if I unplug the icp It doesn't pop no more but the accel still isn't there


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jpow95

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I swapped to the factory turbo no change


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jpow95

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New engine and injector harness still slow acceleration


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jpow95

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I have a Snapon solus edge I can read the data after the new harness I'm getting a different reading now from the desired icp and actual


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jpow95

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Popping is now gone though with the new harness before we had popping with the icp plugged in


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jpow95

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Found low readings from the desired to actual hpop psi installing a new hpop will update


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jpow95

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No I didn't The ipr is new the hpop was replaced 3 weeks ago with a ford hpop desired was 4300psi actual wouldn't get over 1800 under wot it's a buddy's truck he took it to somewhere else before he asked me about it


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jpow95

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I'm just posting in case someone else has the same issues may give them a hand


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jpow95

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But Houston he took it back to them and they did a air test and warranties it out


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