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Originally Posted by xxxJohnBoyxxx I would say the gauge is not accurate. Maybe a exhaut leak or it needs to be calibrated per instructions. They doo need a claibration every 3-6 months. Lambda like idle and crusing should always be 14.7 and floating around there so I'm pretty sure your gauge is off |
I agree with John I ran 440 cc with 20 psi on my dasc btw John did u do any upgrades to yr fuel rail lines or return hose?