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Old 01-07-2010, 05:58 PM
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Changed Glow Plugs, now loss of power!

Help,
Last week I changed my glow plugs and when I ran it all of a sudden power dropped and the engine was running rough. I tightened the clamp on the hose going into the turbo and everything came back to normal. I drove it for a couple of hours then the next day the yellow service engine light came back on and have a drop in power again. It idles rough and I'm really only topping off at 70 mph. I re tightened the boots and clamps but still running rough. Any Ideas on where to start to look.
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Old 01-07-2010, 06:05 PM
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those symptoms could be the result of a dying IDM (injector driver module). get codes from your computer to be sure.
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Old 01-08-2010, 05:19 AM
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What engine? Any mods?
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Old 01-08-2010, 05:37 AM
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7.3 with no mods.
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Old 01-08-2010, 05:45 AM
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UVC harnesses....may have accidentaly knocked one loose, or could be a burt connector in the harness....may have got a wire to colse to a rocker or spring, and its rubbed thru the insulation...causing a short
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Old 01-08-2010, 06:08 AM
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What code am I looking for if this is the case?
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Old 01-08-2010, 08:15 AM
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ok just got codes ran and it came up with a P0603 and a P1316
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Old 01-08-2010, 08:21 AM
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def check your valve cover harnesses and under valve cover harneses

P0603 - KAM memory loss

P1316 - Injector Circuit/IDM Codes Detected
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