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Dar

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About Dar

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  1. Not loosing any coolant. Checked fuel pressure today after the filter and pump and pressure would not dip below 60psi under load. The #2 pump code remains on all the time now and when I rev the engine to 1800 under no load I can hear the engine start to miss. Think the next step will be to change that fuel pump.
  2. Yes the boot is sealing to the hood. Besides the pump code when it's cold out I still have the 9-5 code for compressor discharge temp. And 3-1 code for exhaust gas temp. As well as codes for front and rear drive axle temp, obviously not concerned about those codes. As nice as it would be to get rid of these codes I dont think they are the problem here due to the fact that they have all been active for 2 years prior to this problem.
  3. Replaced the fan clutch. Also replaced the visible damaged turbo discharge temp sensor. Code did not go away. Does it need to be cleared with a scan tool? Still have no power. However it is also throwing #2pump code at cold start ups. When it warms up code goes away. Will wait till the fuel tanks get emptier and hopefully drain them.
  4. Thanks guys. My fan clutch locked up the other day which isnt nice when it is -25 Celsius. Should have that back together tomorrow and the turbo temp sensor should be in too. Will see what that does.
  5. Currently the wires are ripped off right at the sensor. So the sensor will need to be replaced first.
  6. Hi guys. I have a 2005 mack vision with an aset engine, been running it on the farm for a couple years. Always thought it was a bit low on power and boost was a bit high but it worked so I just kept driving. This fall however on my way home one night I could not get up to 60mph on the highway. Since then I can only get up to highway speed empty and even then the boost is continually 25-30 psi. Loaded I cannot get up to highway speed and boost rises as high as 33ish psi. There are a few codes present. 9-5. Compressor discharge temp sensor 2-5. Front drive axle temp 2-6. Rear drive axle temp 3-1. Exhaust temp sensor All these codes were present before this new problem came up. Truck is fully serviced including new air filter and fuel filter. As soon as I get to town I will pick up some fittings so I can check the fuel pressure after the fuel lift pump. Also have a sensor coming for the turbo discharge temp code. If you have any suggestions I would be happy to hear. Thanks. I was reading a post from a few years ago of about an 03 model with what seems to be very similar problems.
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