2.0L LNF Performance Tech 260hp and 260 lb-ft of torque Turbocharged tuner version.

Weird power loss problem

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Old 03-28-2016, 12:25 PM
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Weird power loss problem

So, can't figure out what is wrong with my car. I have this problem with it where I can get in it and drive it no problem, but then I park it and go into a store and come back out and I turn it on and it seems fine. But as soon as I drive it after that warm start up it will be like it lost all its power and the turbo would flutter or surge(idk which one.) so after that I hooked the bpv to the intake manifold and plugged charge pipe thinking it was the bpv system messing up. Turns out it's not that since I got in my car today and it did the same thing and I was disappointed. I did have a previous problem with my map sensor wires grounding out but I got that taken care of/rerouted and it has a casing around it. I clear the engine codes with a scanner and it runs fine again. Has to be something electrical and any insight is much appreciated!
Old 03-28-2016, 02:26 PM
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Flutter is that flutter noise when bpv doesn't open when letting off has, surge is when ur on the gas and ur turbo starts to flutter without u letting off the gas
Old 03-28-2016, 02:32 PM
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Originally Posted by tomj77
Flutter is that flutter noise when bpv doesn't open when letting off has, surge is when ur on the gas and ur turbo starts to flutter without u letting off the gas
Then it's flutter. Still a problem though. I need to look at the map sensor wires and make sure everything is alright
Old 03-28-2016, 02:51 PM
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Originally Posted by no_ss
So, can't figure out what is wrong with my car. I have this problem with it where I can get in it and drive it no problem, but then I park it and go into a store and come back out and I turn it on and it seems fine. But as soon as I drive it after that warm start up it will be like it lost all its power and the turbo would flutter or surge(idk which one.) so after that I hooked the bpv to the intake manifold and plugged charge pipe thinking it was the bpv system messing up. Turns out it's not that since I got in my car today and it did the same thing and I was disappointed. I did have a previous problem with my map sensor wires grounding out but I got that taken care of/rerouted and it has a casing around it. I clear the engine codes with a scanner and it runs fine again. Has to be something electrical and any insight is much appreciated!
what codes are you getting?
Old 03-28-2016, 03:10 PM
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Unplug the evap solenoid on the IM. Red connector.

See if that clears it up.
Old 03-28-2016, 04:04 PM
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That's the thing. 0 codes and my Evap is already unplugged and tuned out.
Old 03-28-2016, 09:05 PM
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Just curious if your bpv is aftermarket? If so have you clean, and lubricated it? I don't know if the stock one needs a cleaning and lubrication if so maybe there is something stopping or slowing down the bpv's function.
Old 03-28-2016, 09:54 PM
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Plugin the BPV directly to the intake manifold.
Old 03-28-2016, 10:45 PM
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It's the stock bpv


Originally Posted by Sl0wbaltSS
Plugin the BPV directly to the intake manifold.
In my first post it says I've done this and I'm currently running it this way.

I'm just wondering if there another sensor besides the map that would cause these symptoms.
Old 03-28-2016, 10:55 PM
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I say it's the tune


Jk
What are the codes your getting? Since you said you cleared them
Old 03-29-2016, 12:11 AM
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Originally Posted by Snail_SS
I say it's the tune


Jk
What are the codes your getting? Since you said you cleared them
I looked before I reset the system. None were there. I feel like a wire is grounding out. I just don't know where to look.
Old 03-29-2016, 12:13 AM
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I would recheck those wires you mentioned worth a shot
Old 03-29-2016, 03:55 PM
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Going to my buddies shop after next class. Gonna take a look at it then.
Old 03-30-2016, 12:36 AM
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Ok, wires were pressed against compressor idk if that did anything though cause it's all taped off. Used zip ties to pull the charge pipe away from the ac compressor.

Also fixed a fuel leak. Need a retune.
Old 03-30-2016, 10:20 AM
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Well atleast you found your problem, I can't seem to find the problem my car has
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