Do you guys know what the p1131 & p0325 error code got to do with my escape gen 1 gets shuddered when go uphill after steady long distance

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added Mar 17, 2015 in Automotive by LC Marshal Captain (25,790 points)
For example, when the rpm reached 2200 at 100km/h on flat road the car is all right, until there's uphill and the rpm shows sudden drop up to 1400 and gets jerk and shuddered like misfiring symptoms. Then I have to accelerate more, up to 2700 - 2900 rpm to ensure the car is not jerking on uphill state. But I noticed even at 2800 rpm, the car seem heavy to move like something is blocked/stucked on the firing system. - Malaysia's programming knowledge sharing platform, where everyone can share their finding as reference to others.