I have a 2004 1500 4.7 the engine cuts out at 4000 rpms and then throws a p2074 code 1) checked all the vacum lines, all looked good 2) replaced the map sensor . 3) replaced the intake manifold thinking the old one must have had a crack in it. After all of that I still have the same problem can't go over 4000 rpm when engine bucks and stalls then throws out the p2074 code NEED HELP BAD!
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