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rough idle

Old Mar 25, 2010 | 08:25 PM
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From: houston
Default rough idle

I bought an 01 ram 1500 with a 5.9 about a month ago. It had a bad transmission but the engine started and ran excellent.(only 90,000 miles)
After I replaced the trans, it started running rough; I checked the codes and got P0340-no cam signal to PCM
I replaced the pickup coil (twice) but its still doing it, i was thinking it would be the IAC or TPS but the damn thing was running great before i replaced the trans. Do these sensors go bad just like that?
I still get code P0340
Any thoughts on WTF is going on?
thanks
 
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Old Mar 25, 2010 | 09:04 PM
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Welcome to DF.

Is it possible you pinched a wire somewhere?
 
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Old Mar 25, 2010 | 09:14 PM
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so did you the cps senor?
 
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Old Mar 26, 2010 | 10:19 AM
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Ive checked all over for any pinched, disconnected, or cracked wires or vaccums but everything looks good;
As for the Crank Position Sensor, yes I have replaced it, after the flywheel scraped the old one.
 
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Old Mar 29, 2010 | 10:53 AM
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Well i think i found the problem, when i replaced the trans i kinda bent that plate that bolts to the converter/flywheel, it has a couple of flat spots. I dont know what its called, a little help?

Maybe the crank position sensor is not getting a steady signal and that causes the bad idle.

I have replaced the crank and pick up coil, IAC,TPS, done a complete tune-up, and nothing so it has to be that.

Does anyone know what the plate is called?
 
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Old Mar 29, 2010 | 11:25 AM
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Are you talking about your inspection plate?
 
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Old Mar 30, 2010 | 03:43 PM
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^ is that what its called?
its the one that bolts up to the torque converter
 
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Old Mar 30, 2010 | 04:16 PM
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I think it's called the dust shield.
 
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