Quote:
Originally Posted by JRS
If the throttle plate is closing like you are describing it sounds like it could be some kind of confusion in the computer between the MAF sensor and the MAP sensor. I would check the wires and connectors on the sensors because when they had them off they could have pinched a wire or the spades inside the connectors might not be making a good connection which is why the problem is intermittent or at a certain insistent. It could be connections or the tune but only time will tell. I hope you get it fixed because it should be a lot of fun with boost not a headache.
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Shouldn’t the car run like stock with no surging at all below 4000 rpm? Wouldn’t I get a check engine light like I did when I found the MAF harness problem? I have a surging in every gear between 1500-2000 rpm probably due to TPS sensor adjustment out which will probably correct the other issue also. I just hope he can figure it out it stresses me out.