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| Normal for the tach to fluctuate? http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=68&t=64665 |
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| Author: | doughboyea [ Fri Jan 13, 2012 9:41 pm ] |
| Post subject: | Normal for the tach to fluctuate? |
When the 4.0L idles, the tach seems to fluctuate, not rough, but not solid either. I am not used to this as in my other cars in the past were rock solid with no movement. I wonder if this is normal:  I turned on the engine, let it idle for a few seconds, turn on the heating, rev to 2000 RPM, idle, turn off the heating, then turned off the engine. I just want to make sure it's not a precursor for something coming... |
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| Author: | dieselenthusiast [ Wed Feb 01, 2012 1:01 am ] |
| Post subject: | Re: Normal for the tach to fluctuate? |
If it’s a very slight movement and you don't feel the engine loping, then I wouldn’t worry about it. |
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