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Losing power or sanity

skyhigh4by
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skyhigh4by

skyhigh4by

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My truck has 110k miles, edge EZ, 4” exhaust, FASS lift pump, Suncoast triple disk, dynamic valvebody, and an Oregon fuel injection VP. The pump has around 20k miles on it never seen less than 14PSI at WOT, always with the FASS, and always had 2 stroke. It recently FEELS like I’m losing low end power. Very very little smoke ever no matter what tune the EZ is on. Just feels like lately I have to push the throttle a lot more to really get going but once it’s wound up then it seems fine. No CEL. New fuel filter. Also my fuel mileage sucks (250-300 miles/tank) Runs great otherwise. Could something be up or am I just losing my marbles?? 

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skyhigh4by

skyhigh4by

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10 minutes ago, Me78569 said:

check your map sensor to ensure it is reading 0 at idle and increasing as you would expect.   This is a typical feeling when a map sensor starts to read low.

Okay I was leaning towards MAP or injectors. I have access to an OTC genisys scanner. What numbers should I be seeing from it? I assume wat hung it while driving in various conditions? I had my scan gauge hooked up a while back and I think if I remember it was reading pretty close to atmospheric pressure at idle but would stop going up around 20 psi maybe? (Can’t remember exactly) 

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skyhigh4by

skyhigh4by

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I unplugged the map sensor but left the factory plug connected to the EZ because I read a bunch of posts about the effect it should have. I noticed absolutely no change whatsoever. Power still feels flat and doesn’t even make the tiniest puff of smoke in any rpm/throttle position. Does this mean anything? 

 

I have ave also been suspecting possible boost leak but the whole zero smoke thing kind of debunks that theory does it not? 

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Dieselfuture

Dieselfuture

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I will definitely check for Boost leaks just in case, I didn't think I had any myself until I did check it, boy was I wrong. Got new boots right away, the resealed couple of intake bolts and even ended up using RTV on compressor housing in my turbo. The turbo part you're probably fine, mine was just built so it's been a part and combined with mixed match parts. 

It's kind of does sound like a boost sensor but I don't know enough to tell you that it is.

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skyhigh4by

skyhigh4by

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On 1/11/2019 at 6:26 AM, Mopar1973Man said:

Time to consider the Quadzilla.

It was next on the list after transmission which I just did. 

 

UPDATE

ive been driving for a few days now with the edge disconnected. I notice no difference in the way it drives. Didn’t feel like any power was lost without it. No CEL but I haven’t had a chance to put the scanner on it yet. I also got stuff to rig up a boost leak test but haven’t had a chance to do that yet either 

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  • 2 weeks later...
skyhigh4by

skyhigh4by

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On 1/16/2019 at 9:29 AM, Mopar1973Man said:

Keep us posted... I'm curious. You might find out the Edge EZ burned up and quit.

As far as I can tell the problem was the edge. I can’t find anything wrong with the truck. Plugging the edge in has no noticeable power increase. 

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Mopar1973Man

Mopar1973Man

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19 minutes ago, skyhigh4by said:

As far as I can tell the problem was the edge. I can’t find anything wrong with the truck. Plugging the edge in has no noticeable power increase. 

 

Good time for upgrade to Quadzilla. Edge Products are not designed for larger injectors and do no give a way to change timing and fuel maps. 

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