1999 Loss of Power - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 07-29-2010, 12:49 PM Thread Starter
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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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post #2 of 11 Old 07-29-2010, 09:04 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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post #3 of 11 Old 07-30-2010, 06:59 AM
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do you have gauges?
what is your boost

2000 f250
diy intake
4"straight pipe
ccv dumped outside
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post #4 of 11 Old 07-30-2010, 08:58 AM Thread Starter
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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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post #5 of 11 Old 07-30-2010, 09:50 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.

-Matt

Late 99 (2/99) Black F250, CC LB 4x4 Lariat 214k. All Stock for the moment...

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post #6 of 11 Old 07-30-2010, 04:11 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

2000 f250
diy intake
4"straight pipe
ccv dumped outside
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post #7 of 11 Old 07-30-2010, 04:56 PM Thread Starter
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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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post #8 of 11 Old 07-30-2010, 06:53 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.

(3/98 prod date) with Edge Evolution, MBRP 4" turbo back, Autometer gauges, custom DIY cold air intake, FPR mod, A/C mod, custom built adjustable waste controller, DIY Alpine head unit, navigation, surround sound processor, JL Audio amps and speakers, 15" over head rear monitor and Sony PS2 (for kids), custom behind rear seat sub enclosure with two 10's
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post #9 of 11 Old 07-30-2010, 07:00 PM Thread Starter
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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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post #10 of 11 Old 07-31-2010, 06:46 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.

Vince
John Deere product developement
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