runs good when it feels like it - Ford Powerstroke Diesel Forum
 
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post #1 of 3 Old 11-02-2011, 10:14 PM Thread Starter
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runs good when it feels like it

My 2000 7.3 seems sluggish and I can't figure out why. It randomly runs good and when it does, egt's at 55 mph are 500 degrees and throttle response is good. When it runs sluggish, egt's are up at 650-750 degrees. It use to be worse when I had the butterfly valve on the turbo but I got rid of it by getting banks power elbow with 4 inch downpipe. It seems like the truck runs best when its 40-50 F outside. This issue has been bugging me for a while now. Just put a gtp38r garrett and stealth pump in. I'd like to get injectors soon but I have to figure this out. Replaced backpressure sensor and intake temp sensor over the year and no luck. Any ideas?

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Eddie
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post #2 of 3 Old 11-03-2011, 08:23 AM
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Try you're CPS or IPR?


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2000 PSD- TW TUNES, 6637 FILTER, STRAIGHT PIPED, FOIL DELETE, AIH DELETE, GAUGES, 5TH WHEEL, FORGED RODS
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post #3 of 3 Old 11-03-2011, 09:05 AM Thread Starter
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I haven't tried either of those yet. I considered the ipr but when i looked, they were 200 bucks and I'd hate to spend that much and find out its not the problem. Just read cps are cheap so maybe ill try that. My truck has 365k on it but still blows 400 psi out each cylinder so I ruled out low compression
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