Turbo Surge - Ford Powerstroke Diesel Forum
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post #1 of 31 Old 10-28-2006, 10:44 AM Thread Starter
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Turbo Surge

Seems like I have developed a nice case of turbo surge. At just under 2000 RPM I can hear and feel the turbo load up and the then wastgate opening. It happens when I'm not towing and running at constant throttle.
I've done 50000 km in the truck and it only just started to happen. It's a stock motor expect for a Quadzilla chip. Any ideas why and what the fix is without spending major bucks?
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post #2 of 31 Old 10-28-2006, 10:57 AM
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What year truck doyou have?

2001 F250
11.62 @ 115.79
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Elkton, Maryland
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post #3 of 31 Old 10-28-2006, 01:50 PM Thread Starter
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Hi it was built in 99
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post #4 of 31 Old 10-30-2006, 11:24 AM
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Originally Posted by bluecanuk View Post
Seems like I have developed a nice case of turbo surge. At just under 2000 RPM I can hear and feel the turbo load up and the then wastgate opening. It happens when I'm not towing and running at constant throttle.
I've done 50000 km in the truck and it only just started to happen. It's a stock motor expect for a Quadzilla chip. Any ideas why and what the fix is without spending major bucks?
Mine does that only when cold. Its just the warm-up valve staying part closed on the exaust outlet on the turbo. As soon as the truck warms up all the way the noise goes away.

TRUCK - 2000 Ford PSD 7.3 XLT, Midnight blue, ext cab, short bed, auto 4X4,Leveled front +2 In rear, SCT Livewire INNOVATIVE Tuned, Full 5in exaust, AFE stage2, BANKS TransCommand, 2 optima yellow tops.......more to come!

CAR - 1986 Dodge GLHS omni, More mods than you can imagine! 540HP/600TQ!!

QUAD - 1987 Kawasaki Tecate-4 Modded

JET-SKI - 1991 Kawasaki X-2 750 swap, full freestyle

Snomobile - 1989 Ski-Doo Formula Plus Bone stock
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post #5 of 31 Old 10-30-2006, 01:28 PM Thread Starter
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It's the exact opposite for mine. It runs ok cold but develops surge as it warms up. But it tends not to do it on warmer days. ?
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post #6 of 31 Old 10-30-2006, 02:04 PM
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Mine started doing it as soon as I started adding more power The cheapest way out is a new compressor wheel anywhere from 60-120 bucks Is your truck a early or late 99 If it is a early 99 it is might be somethingf else

2000 F250 cc 4x4 4" lift BFG 315's,,dp tuner Auto Meter gauges, Hybrid 235cc injectors,TN BB turbo,water meth injection,Ragin intake,ITP boost fooler Banks intercooler,big head wastegate,power elbow,torque converter,6.0 tranny cooler,High flow intakes AIH delete air ride air bags,gibson 4" exhaust,zoodad mod, remote start, Pioneer dvd/ navigation Sirrus radio,sun coast tranny ,Bts valve body,H11 s,Engine rebuild .030 over,Fluid Dampner,203 thermostat

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post #7 of 31 Old 11-04-2006, 07:59 PM Thread Starter
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Has anyone used a rebuilt turbo from Ron's Turbo Service?
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post #8 of 31 Old 11-06-2006, 06:04 PM
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could it just be the ebp valve malfunctioning?
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post #9 of 31 Old 11-08-2006, 03:22 PM Thread Starter
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Now I'm embrassed, what's the ebp valve?
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post #10 of 31 Old 11-08-2006, 04:06 PM
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exhause backpressure valve. Is is controlled by a sensor located near your turbo. It closes when the oil temp is really cold and assists in warming your diesel engine up. It puts a slight load on your engine.

If it malfunctions, it can stick shut or open and shut alot. It kinda sounds like the truck boggs down a little, followed by a loud, sharp 'sshhhhhh' sound
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