carb problem

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01-14-2001, 03:23 AM

burnoutrpm

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carb problem

its 3:30 in the morning is anyone in there? please i need help desperately???!! on my carb problem!

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1989 firebird formula

Mods: converted from T.B.I. to a carburator 305 to a 350. Flowmater exhaust,hedman shortie hedders,202 heads,350 horse cam,bored.40 over, Edlebrock torker2 intake.

Future mods 400 performer rpm intake (polished) and 600 edlebrock carb, comp roller cam, and way better heads. orpossibly a 383 stroker?

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01-14-2001, 02:24 PM

marald

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I had a vacuum problem with my qjet.
Discovered it by measuring vacuum on the intake, EGR blocked off and all hoses on qjet blocked off as well, and had no or little vacuum. (during starting the engine) Than did the test again without the carb, and blocked off the intake carb holes with a large flat piece of metal. Now I had lots of vacuum. So I replaced my qjet with an old one yesterday, and now the car runs fine.

symptomes were :
hard starting when cold
code 34 (mAP sensor lo vac from ECM)
smoke on initial startup on 6 or 7 cilinders
no power