Limp mode + misfire, bad gas????

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jackallison

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Gonna keep it short and sweet as possible. 15 LT 2.4 oil consumption problem, 98,5xx. Catch can, k&n filters, and the pcv screw mod into intake mani. Got a full tank of gas, after running it almost empty. Drive it about a mile home and as im backing into the driveway it freaks out and limp mode. Service stabilitrak, CEL, everything. Its in park at that point so i take it back up the street to see and definitely limping, only using first gear and 3k max so only 15mph. Get to a complete stop and it’s misfiring like crazy to the point where my head is vibrating against the headrest. Turn it off to restart it and it takes 5 full seconds to turn over. No misfire but still limp mode so i parked it. When i turn it on now it starts up fine, no limp mode or stabilitrak, but still has the CEL but i know they dont clear immediately. Thoughts? Hoping its a severe case of the vvt solenoid as i have a set laying around because its inevitable but man its not looking good. Forums looking pretty vague because the stabilitrak and cel is kinda ambiguous but whatever. Any help? Thanks :)

Edit: b4 people ask. I clean the throttle body regularly, recently 5 days ago. Ngk super iridium plugs are abt 3k miles old. About 3k miles on this oil change. New k&n air filter and i made sure pcv is unclogged. My back left TPMS has gone out but i so highly doubt thats at all related but who knows with these cars lmao.
 

jackallison

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Update: out of limp mode, code read, high pressure fuel sensor thats on the fuel rail. Interesting!
 

samuel205880

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Did you ever find the issue? Did you end up changing the rail pressure sensor?
 

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