Error codes
Just got a 99 pathfinder. It runs a bit rough. It has a tendency when stopping to feel like it's going to stall out. Then when driving at higher speeds it feels like it's choking. When you hit the gas and push harder it will pause and then respond. I did get several codes P0505, p0300, p1490, p0446, p1400 and P 1105. I have had the throttle body thoroughly cleaned,IACV, pulled the entire air intact sysyme and it tested good. fast idle vale egr vale intake manifold, runner value p all tested good. pvc value was not clogged. checked all vacuum tubes and vent tubes and none were cracked or broken. The throttle body, IACV, fast idle valve and intake manifold runner value tested good electrically but everything was gummed up from exhaust gas recirculation. also cleaned the mass air flow. The codes were cleared but come back immediately and there is no change in the behavior. I'm not sure where to start next or what could be causing the problem Anyone else have similar issues?
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