boost problems- car starts, no boost

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Old Jul 22, 2004 | 01:02 PM
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Default boost problems- car starts, no boost

check all the lines, got uberdata hooked up. The car starts. the top wastegate port is open, the bottom one goes to the turbo. Im getting the vacuum hose from the intake back to somewhere between the intake and throttle body. Please help. I have no idea. I never get out of vacuum when i rev it up. If i rev it pass 4k, it back fires, the the rpms drop really low, one of the two times i did this, it dies. Any ideas?
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Old Jul 22, 2004 | 01:03 PM
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Default Re: boost problems- car starts, no boost (joek84)

All my vacuum sources are from a vacuum manifold from the brake booster, cept for the wastegate
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Old Jul 22, 2004 | 01:34 PM
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Default Re: boost problems- car starts, no boost (joek84)

bov was letting off boost, it still is some. Car doesn't get above 0psi when i rev it up. I idled for a while, then after a min or so, the engine flooded and died.
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Old Jul 22, 2004 | 01:55 PM
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Default Re: boost problems- car starts, no boost (joek84)

Where you located at exactly???

Maybe I can swing by and help ya.
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Old Jul 22, 2004 | 02:13 PM
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Default Re: boost problems- car starts, no boost (CRX T-Si)

im 1.5-2 hrs north of miami. Its a bit far. thanks for offering
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Old Jul 22, 2004 | 04:21 PM
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Default Re: boost problems- car starts, no boost (joek84)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by joek84 &raquo;</TD></TR><TR><TD CLASS="quote">check all the lines, got uberdata hooked up. The car starts. the top wastegate port is open, the bottom one goes to the turbo. Im getting the vacuum hose from the intake back to somewhere between the intake and throttle body. Please help. I have no idea. I never get out of vacuum when i rev it up. If i rev it pass 4k, it back fires, the the rpms drop really low, one of the two times i did this, it dies. Any ideas?</TD></TR></TABLE>

#1. You will not see boost revving it up in the driveway. Your engine needs to be under load for the turbo to have sufficient exhaust flow to build boost.

#2. Who set up your basemap? It sounds like it might be too rich.
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Old Jul 22, 2004 | 04:38 PM
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Default Re: boost problems- car starts, no boost (Jim Truett)

If you live 1.5-2hrs North of Miami then why did you put "south florida" as location.

Oh well, check this out man.

First off you need to list your info, hell not even an injector size. How the hell is anyone suppose to help.

Just telling us "I got turbo & urberdata" does not tell anyone anything.

Need more info on your setup.
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Old Jul 22, 2004 | 07:56 PM
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Default Re: boost problems- car starts, no boost (CRX T-Si)

i may have friend my ecu, it's not starting. Before, im a moron, i was starting it with my stock obd2 ecu. Now it's not starting with my p28 and basemap. 440cc, 255lph pump, t3/t4, 00 gsr.
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Old Jul 23, 2004 | 05:13 AM
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Default Re: boost problems- car starts, no boost (joek84)

Well there since we know your injector size that is the reason why your car is dying.

ECU does not know you have the 440cc, still thinking it's stock Injectors.

Now you have to ask yourself, "did the person programmed my P28 with the 440cc??"

I don't believe you can fry and ECU by not having the correct fuel program.

Check your plugs, cause if you were running the 440cc with stock fuel map then your plugs should be fouled out. That would explain why your car won't start.

Hey I am going to my friends shop tonight in West Palm beach. N-1 Spec is the place, off of I-95 at Blue haron(forgot how to spell it). Let me know bro.

call me then, 786-942-1528
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Old Jul 23, 2004 | 09:03 AM
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Default Re: boost problems- car starts, no boost (CRX T-Si)

i made the basemap. i think i fried the ecu soldering it for uberdata, im ginna check my plugs now
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Old Jul 23, 2004 | 09:08 AM
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Default Re: boost problems- car starts, no boost (joek84)

I got a P28 you can try. I bought it for my CRX but have not used it yet. The H-T member I got it said it was working so I hope so.

I don't know what the chip he gave me was programmed for but you can see if its that.
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Old Jul 23, 2004 | 10:48 AM
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Default Re: boost problems- car starts, no boost (CRX T-Si)

if you want, i can solder up your next ecu, i have the proper tools to do it without frying it....

Also, make sure you are running high impedance injectors or a resistor box, that WILL fry your ecu (the injector circuitry anyways...)
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