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#16
10-07-2009, 09:59 PM
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Re: '02 Silverado runs rough..
you might look into the crank sensor, it could be working on going out and just reading funny every now and then.
__________________
 01 Silverado 2500HD, HID lows and highs, cold air kit, leveling kit, brush guard, dual flowmaster outlaw mufflers, 5% windows.
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#17
10-08-2009, 09:31 AM
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Re: '02 Silverado runs rough..
what happened to the fuel pressure problem? did you get the 53 to 62psi spec..?
whenever a transmission is replaced/rebuilt it is smart to flush out the radiator/transmission coolant lines...also the torque converter needs replacing......what did you do?
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#18
10-08-2009, 11:29 PM
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Re: '02 Silverado runs rough..
Crank sensor is GTG.
Of course the trans oil cooler was flushed and the transmission came with a converter from the dealer. If it was a fuel pressure issue the truck would run worse when it was under load more so than just cruise speed.It would also set a code if was leaning out this much.When you run it hard it doesn't have any problems,only time it happens is at moderate speed/part throttle. Did a road test with the Modis and there were no misfires and TCC looked ok.No codes present either. Guess I should change the title to Driveline shudder instead of running rough 
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#19
10-09-2009, 12:36 AM
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Re: '02 Silverado runs rough..
Not exactly familiar with the 5.3, but if it is low pressure and not the fuel pump, then I'd check the fuel pressure regulator if there is one. Hope this helps!
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Unauthorized advertising link removed by Moderator
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#20
03-20-2010, 12:01 PM
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Re: '02 Silverado runs rough..
did you ever get the problem resolved? (driveline shudder)
my vehicle has been having the same problems.
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