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| Diagnostic Help Before the Long Wknd http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=20986 |
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| Author: | mOlson [ Wed May 23, 2007 7:43 pm ] |
| Post subject: | Diagnostic Help Before the Long Wknd |
The CRD is making some awful noise similar to something caught in the blower motor fan for lack of a better analogy. Opening the hood the sound is very obviously coming from whatever diesel bit directly before the intake where the rubber intake hose connects. The sound comes on with the ignition and runs for about 10sec after the engine is off. Any help for what this part is and how critical it is for the Jeep running through the weekend is greatly appreciated. The Jeep (and its owner) needs out of the 'burbs this weekend! |
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| Author: | Goglio704 [ Wed May 23, 2007 7:47 pm ] |
| Post subject: | |
Is the noise maker on the driver's side? If so, it is probably the EGR flow control valve. You can unplug it until you can get it fixed. |
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| Author: | mOlson [ Wed May 23, 2007 11:29 pm ] |
| Post subject: | |
yep, driver's side leading straight into the intake manifold. sounds like a little chain saw now. Unplug the wiring and should run fine through the weekend? |
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| Author: | Goglio704 [ Thu May 24, 2007 9:42 am ] |
| Post subject: | |
If you don't have one already, unplugging the FCV will cause a Check Engine Light. It should run fine with the valve unplugged. You might want to take the intake hose loose and look to make sure the valve is in the open position. They can fail open or closed, but open seems to be more common. If it was full closed the engine wouldn't run. Partially closed would make it run poorly. |
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| Author: | mOlson [ Thu May 24, 2007 10:17 am ] |
| Post subject: | |
Thanks a ton for the advice. The engine seems to be running ok, not great but ok. Having use of it allows me to bring the mt bike along this weekend which is a great plus. Really appreciate the help. Matt |
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| Author: | BiodieselJeep.com [ Thu May 24, 2007 2:27 pm ] |
| Post subject: | |
If it isn't running GREAT, then that might not be all of your problems. In fact, with the valve off and OPEN, it should run really really nicely. Did you take the hose off and look in there? Might be partially closed. |
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