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Old 07-29-2010, 11:49 AM
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1999 Loss of Power

I need help. I have a 1999 F350 7.3 with turbo. The truck started to lose power. i have checked the following: all intercooler hoses. exhaust clamps on turbo had injector #1 replaced . How can i check to see if the turbo is working? Is there any thing else that I can check to find out what is causing this problem. I tow a 30' living quaters horse trailer and when i go up a pass the turbo does not kick in and I can only get the speed up to about 30 miles hour going up a grade. i do get about 10 mpg pulling the trailer. There is no smoke. On one of the blue hoses on the intercooler it has a very small crack not all the way thru. Can some PLEASE Help me find the problem.
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Old 07-29-2010, 08:04 PM
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Pull the intake hose off between the CCV and the filter box. Look at the compressor wheel to make sure its not damaged, scored or dusted. Also look around the up pipes for soot. You will need one of those extension mirrors and some patience to see all the way around both tubes. List your findings and pics if you can.
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Old 07-30-2010, 05:59 AM
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do you have gauges?
what is your boost
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Old 07-30-2010, 07:58 AM
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I pulled the hose off and checked the fins on the turbo there is no dust and the fins look ok there is no play in the shaft. I do not have gauges . How do I check the boost and what do I need to check it. There is no soot on the firewall and no exhaust leaks.
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Old 07-30-2010, 08:50 AM
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get that boot repalced, the crack probably opens more when under boost. also be sure to cehck the underside of boots, they crack where they cant be seen sometimes.
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Old 07-30-2010, 03:11 PM
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Quote:
Originally Posted by team01 View Post
I pulled the hose off and checked the fins on the turbo there is no dust and the fins look ok there is no play in the shaft. I do not have gauges . How do I check the boost and what do I need to check it. There is no soot on the firewall and no exhaust leaks.
you get a boost gauge
change the boot that has a crack
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Old 07-30-2010, 03:56 PM
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Were would be a good place to buy a boost gauge and is it easy to install?
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Old 07-30-2010, 05:53 PM
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You thoroughly checked around both up tubes for soot. Doubtful you would see anything on the firewall. If you think your boot is cracked you might be able to find a temporary replacement at Lowes or Depot. I wouldn't go very long that way though.
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Old 07-30-2010, 06:00 PM
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I was told to get a boost gauge were is a good place to buy one and is it easy to install
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Old 07-31-2010, 05:46 PM
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go to a sponsor on here, get a boost, pyrometer and if you have an auto a trans temp gauge they are all very easy to install.
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