Check engine light and funky boost guage
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Joined: Feb 2014
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Check engine light and funky boost guage
noticed the other day when I went to leave a job site my Check Engine Light came on but the truck started fine and seemed to run normal. while cruising down the highway I noticed that my factory boost gauge was showing 35psi and fluctuating between that and around 10. looking at my H&S it was showing normal boost readings for the current driving condition, when I came to a stop the H&S would show 0psi but the factory one would fluctuate between 0 and 35-40psi I can tell the turbo is not spooling at all during this time. if I take off from a stop with the gauge showing 35 the engine sounds louder than normal at first take off compared to when the gauge is reading normal. I haven't gotten a change to get it in my shop yet to look it over but does the dash gauge read from a different sensor that what my H&S is reading? Truck is an '11 F250, deleted both EGR and DPF with H&S tuner. I checked codes and all I have is P06A7. any advise as where to start?
Post Fiend
Joined: Jan 2009
Posts: 6,521
Likes: 11
From: Greenwood, SC
There are experts that will chime in but I think I would do a flash back to stock and then another flash to your preferred tune. So much of this engine is controlled by software I think I would eliminate that first.
Super Moderator
Joined: Aug 2008
Posts: 37,383
Likes: 1,867
From: Frederick, MD
X2.
Even though you are deleted, I'd flash back. Start it at idle and see the guage and run for codes.
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