5.4 knocking after intake replacement
Earlier this week i had to remove and reinstall the intake of my 2005 5.4 FX4. Everything went sort of ok, especially considering that this is the first time that i do this job ever.
I finished yesterday and tested the truck, everything is working just fine, however today i noticed twice that when i am going up a hill and press on the gas pedal, the engine start to knock. This was definetly not happening before. In no way i am an expert on this. Been reading some today about engine knock causes but nothing seems to fit what is happening on my truck. Any suggestions on what could i check? When i removed the intake i also de-installed fuel rail and cleaned the injectors, maybe i screwed something? I remember disconnecting the knock sensors in the process and i am 100% sure that i connected both back, but, maybe something got loose? Any advice is appreciated thanks |
Start by rechecking everything. Make sure everything is hooked and plugged in all the way. Look for any leaks and what not
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well, yesterday i changed from 87 to 91 when i filled the truck up and also removed the power programming of my edge.
No knocking so far, on the next tank i will switch back to 87 to see if knocking comes back as well |
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