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after several days of driving the car.

Initially this was my problem: Rough Ideling. I recently installed a new set of neuspeed 260 cams, valve cover gasket, Bosch plugs with double tips and serpitine belt. This is the sitituation that I have right now. After installing the everything and putting the parts back together with the mechanic, BTW I was just assisting, We got CE light which give us a code for the cam sensor timing and I was getting a mild hesitation at about 2400RPm. The problem with the sensor was fixed two days later when the Mech. pulled the engine apart and got the sensor closer to the magnet and aligned the cams again. Now, after the second time around everything was fine with the CE. The car still had some mild hesitation, but pulled strong through 6400 RPm with no hesitation while climbing the RPM. The hesitation was felt at low RPm under 3k RPM.
Now, this weekend after changing the oil/filter and cleaning the Kn filters and adjusting the tension on the accelerator cable (did remove some of the plug wires while doing this) and cleaning the battery terminals (disconnected battery for a while) the car began to hesitate somewhat stronger, once I put everything back together. Now when I rev the car and let the tach settle back under 1000 rpm, the car will act as if it wants to stall, but it does not and it only hesitates under 1000 RPM, if I rev above 2000RPM nothing is felt and no back firing..
What could I have done wrong? The mechanic told me initiallly that the mild hesiitation could be due to one of the plugs that was not making good contact. Could this be the poblem? What of the Battery disconnection?

Now, as of today the car seem to be ideling normal with AC or no AC on. The car is not hesitating once you let it idle and sits around 850 to 950RPM. No CE light have come on. Could this be possible?
My mechanic told me that since I disconnected the battery, the car has to relearn all the parameters regarding ideling, fuel, airmixture and other stuff and that is the cause for the present problem.
Is all this information accurate and correct regarding our VR6 cars?
 

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Re: Could this happen....... (dfvvr6)

yes. Disconnect the negative on the battery for 15 min. Re-connect it, turn key to start position and leave for 10 min. Then actually start the car and let it idle for 15min. Do not touch the gas while idling. http://****************.com/smile/emthup.gif
 

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Re: Could this happen....... (vr6willeatyou)

everytime u disconect the battery the chip has to "relearn" the idle circuit. sometimes it idles funny for a couple days. i called GIAC and the guy there told me this was perfectly normal.
 
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