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-   -   trying to set timing on mspnp, car shooting fuel out of exhaust (https://www.miataturbo.net/megasquirt-18/trying-set-timing-mspnp-car-shooting-fuel-out-exhaust-57414/)

redboost 04-29-2011 09:32 AM

trying to set timing on mspnp, car shooting fuel out of exhaust
 
well i had realized that I should have set base timing before doing anything (thankyou braineak) now i am trying to set the timing but every time i start the car to do it, there is tons of smoke from the exhaust that distinctively smells like fuel. I cant stand it and neither can my neighbors, can anyone tell me what is going on. i believe the engine was flooded with fuel before because i had to floor the pedal to get started. But why hasnt the smoke already burned out, I had it started three times now. Please help

Braineack 04-29-2011 10:36 AM

did you run the MAP sensor line to the MS?

redboost 04-29-2011 10:50 AM

Yes map line is on

Braineack 04-29-2011 10:51 AM

what basemap are you using? what sized injectors? whats your req_fuel set to?

redboost 04-29-2011 10:56 AM

I used the base map supplied by ms but use their instructions on changing the req fuel to support the 550 cc injectors

Braineack 04-29-2011 11:03 AM

so its closer to 5?

18psi 04-29-2011 11:07 AM

check for vacuum leaks too. I had a miata do that to me when starting up on MS, practically poured fuel out the tailpipe. Turned out to be a disconnected vacuum line on the mani

redboost 04-29-2011 11:07 AM

No I think it said 6.3 I'm not by the car at work but after I cahnged the inputs for req fuel it changed to 6.3

redboost 04-29-2011 11:13 AM

Actually come to think of it the vacuum line of the charcoal canister to the intake manifold was cut I must of hit it at some point it just happend yesterday but I have not fixed it yet could that be it

hornetball 04-29-2011 02:31 PM


Originally Posted by redboost (Post 721028)
Actually come to think of it the vacuum line of the charcoal canister to the intake manifold was cut I must of hit it at some point it just happend yesterday but I have not fixed it yet could that be it

Could be. Simple to check. Plug it. Let us know because I'm curious as to whether those ports are relatively independent or closely coupled in sensing MAP.


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