Thread: Turbo gurus look; Stumped- help please

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2012-10-08 02:24:45

#31

morgans432 Online/offline status of morgans432 is unknown

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also look for vac leaks thats way to low for that setup

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2012-10-08 02:25:26

#32

morgans432 Online/offline status of morgans432 is unknown

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Originally Posted by jamie860

Originally Posted by morgans432
yeah that vac is way to low

And you dont just go from 1000cc tune on 800cc injectors does that even make sense your telling the computer you have 1000cc inectors but are only running 800s and yes that will have a huge difference on the car.

you sure your mechanical timing is correct since the cam install?

I did that to try and rule out possibilities; ecu injectors ect..

Motor never ran with stock cams so yes I'm confident the timing is correct.

Ill get another tune for the current injectors this week

doesnt matter you could of done the cam install incorrectly by chance

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2012-10-08 02:28:35

#33

nismo94tuner Online/offline status of nismo94tuner is unknown

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Check/clean/verify ECU grounds are tight on the intake manifold.

Did you relocate the battery to the trunk? If so, do you have at least one thick main engine ground from the block/head to the chassis?

Check all wiring under dash. Its a city car and they are known to have cut wiring all over.

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2012-10-08 02:29:29

#34

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Albanians know best about that

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2012-10-08 02:29:56

#35

blo0d

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your maf voltage is too low and ur running in limp mode...

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2012-10-08 03:31:51

#36

jamie860

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Originally Posted by morgans432

Originally Posted by jamie860
Originally Posted by morgans432
yeah that vac is way to low

And you dont just go from 1000cc tune on 800cc injectors does that even make sense your telling the computer you have 1000cc inectors but are only running 800s and yes that will have a huge difference on the car.

you sure your mechanical timing is correct since the cam install?

checked.

I did that to try and rule out possibilities; ecu injectors ect..

Motor never ran with stock cams so yHes I'm confident the timing is correct.

Ill get another tune for the current injectors this week

doesnt matter you could of done the cam install incorrectly by chance

I didn't do the cams myself my good friend did whom I trust, he says its not the cams and we've double checked

Originally Posted by morgans432

also look for vac leaks thats way to low for that setup

Will do

Originally Posted by nismo94tuner

Check/clean/verify ECU grounds are tight on the intake manifold.la

Did you relocate the battery to the trunk? If so, do you have at least one thick main engine ground from the block/head to the chassis?

Check all wiring under dash. Its a city car and they are known to have cut wiring all over.

Sanded them today bes, I also do, aren't you there now? Nice thick ground wire clean grounds all around. Unfortunately I'm not good with electrical, I need someone to look for me because idk what goes where there is a lot I bullshit wires underneath that are not factory.

Originally Posted by blo0d

your maf voltage is too low and ur running in limp mode...

Eh off the top of my head I forget my maf voltage

Last edited by jamie860 on 2012-10-08 at 03-33-35.

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2012-10-08 03:42:37

#37

blo0d

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if its below .7v bingo

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2012-10-08 03:48:29

#38

ashtonsser Online/offline status of ashtonsser is unknown

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It wont be driveable at all with a 550 tune. Thats why its dumping fuel like crazy. Not even at idle man. Need a tune specific for the 75 lb injectors. End of story....problem solved.

Will the engine rev above 3k? If not like they said your running in limp mode if thats the case.

Either way I think you really need to go over everything and make sure everything is 100% before continuing on. Vac is low because its running soo shitty, the sputtering and stumbling will cause the vac to be low like that.

Research man.

Last edited by ashtonsser on 2012-10-08 at 03-52-05.

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2012-10-08 04:43:39

#39

jamie860

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Originally Posted by ashtonsser

Motor revs past 3....I've researched man it takes time to learn.

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2012-10-08 07:23:36

#40

ga16eats

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Originally Posted by jamie860

Originally Posted by morgans432
what kind of 800cc injectors you running you just said you had 75lbers in the first post.

Also did you check for vac leaks and boost leaks?

I still think your tune is way off and your using mix match tunes from who knows where trying to get it to run correctly.

you say fresh map but from whom and for what setup cause your using crap from all over and need to get the correct tune period end of story.

John the Greek. I guess my vac could read better.

Originally Posted by ebinkerd
One last thing, what kind of spark plugs are you using. Anything other than NGK will run like this.

Bkr7e

Originally Posted by ga16eats
this makes no sense to me. your car runs rich on 550's, 1000'c, and 750's. yet you say you are tuned for 550's. what fuel pressure is your tune for?

You got it. I tried 550s and 800s on the current tune. I have switched ecus with a 96# tune with my current set 75# and no difference between them all. Car runs rich.

but is your tune for 3 or 4 bar,also is the return line for your fuel clear and flowing easily. can you confirm your fuel pressure because a walbro pump on a stock regulator puts out above 43.5 psi.
btw ngk plugs kick ass in my opinion.

Last edited by ga16eats on 2012-10-08 at 07-24-25.

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