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-   -   Random boost cutout??? (https://www.homemadeturbo.com/forced-induction-7/random-boost-cutout-77700/)

89shithatch 05-12-2007 12:07 AM

Random boost cutout???
 
Car on occasion likes to cutout at high rpms. like it hits fuel cut or rev limit and stops making power. just wondering what it could be??

HMTguy 05-12-2007 12:10 AM

Re: Boost cuts out??
 
Your ugly mug

Bone1 05-12-2007 01:29 AM

Re: Boost cuts out??
 
map tuned on cold start loop :)

89shithatch 05-12-2007 01:30 AM

Re: Boost cuts out??
 
anything else i could check?? Plugs gap?? Could it be a leaky system??

Bone1 05-12-2007 01:31 AM

Re: Boost cuts out??
 
check yourself :)

89shithatch 05-12-2007 01:32 AM

Re: Boost cuts out??
 
may not be after it warms up necesarly, just after i boost hard. would a bad plug gap cause it?? What are the symptoms of boost leak?? would it cut off quick and pop? And boost wouldnt stay building and would instead cut??

HMTdmc 05-12-2007 02:44 AM

Re: Boost cuts out??
 
Just a comp;ete throwing it out there guess. You have the wrong map sensor selected in your rom. Or it's a glitchy peice of crap gm map sensor.

HMTdmc 05-12-2007 02:48 AM

Re: Boost cuts out??
 

Originally Posted by 89shithatch
may not be after it warms up necesarly, just after i boost hard. would a bad plug gap cause it?? What are the symptoms of boost leak?? would it cut off quick and pop? And boost wouldnt stay building and would instead cut??

A boost leak with a maf style car will do that. But with a honda with a map the thing will just run weak. it won't really cut out or anything. you'll just hit the gas and go nowhere. and the you normaly won't build full boost "where ever you have it set"

kamilk69 05-12-2007 09:32 AM

Re: Boost cuts out??
 

Originally Posted by Dmc1
A boost leak with a maf style car will do that. But with a honda with a map the thing will just run weak. it won't really cut out or anything. you'll just hit the gas and go nowhere. and the you normaly won't build full boost "where ever you have it set"

wrong, im running a maf setup and it will boost with a boost leak, i had a 1/2 inch hole in my manifold and i still made 10psi, it spooled a little later, didnt have any vac, and wouldnt idle for ---- but it did make boost.

HMTdmc 05-12-2007 02:43 PM

Re: Boost cuts out??
 

Originally Posted by kamilk69
wrong, im running a maf setup and it will boost with a boost leak, i had a 1/2 inch hole in my manifold and i still made 10psi, it spooled a little later, didnt have any vac, and wouldnt idle for ---- but it did make boost.

Hmm ever had a chargepipe blow off on a dsm?


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