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  #1  
Old Feb 21st, 07, 04:58 PM
67dreams 67dreams is offline

matt
 
Join Date: Feb 2007
Location: CALIFORNIA
Posts: 1
Default 4bbl q-jet

ok so heres the deal, i have an 86 berlinetta camaro with one of those damn electronically controlled 4bbl q-jets. the car is running rich right now and i need to fix it up so it will pass the CA smog test. I know the air/fuel mixture is controlled by the ecm so my question is should i use a code reader to reset the computer or is there something else causing it (ive already checked all vaccuum lines and the pcv system, air filter is clean, ect)...Maybe a carb rebuild or just a new carb would help? any advice would be greatly appriciated

Thanks :-)
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  #2  
Old Jun 17th, 07, 05:56 AM
based baller based baller is offline

 
Join Date: Jul 2006
Posts: 5
Default Re: 4bbl q-jet

i wish you luck! i bought a new q-jet it cost me about $440.00 and did not change a thing! run a diagnostic on it hopefully that will tell you something.
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  #3  
Old Jun 17th, 07, 07:42 AM
kustomwerker kustomwerker is offline
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mike
 
Join Date: Jan 2007
Location: connecticut
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Default Re: 4bbl q-jet

this is going back a long way for me, but look for a map/baro sensor...check to see the vac lines are good to it, and that it is functional...you can get a gm map sensor for about 40 bux...if you scan it, you can pull a data stream to see if it`s working...i`m sure the book gives a voltage test procedure also...it sounds like the auto enrichment valve on the carb is stuck open, either due to the ecm, or gunk on the valve...jm2c...
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Old Jun 17th, 07, 08:34 AM
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77wolf10.85 77wolf10.85 is offline
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Tim
 
Join Date: Mar 2007
Location: Oklahoma
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Default Re: 4bbl q-jet

My 87 Caddy had one of those qjets. Loved the car but never got used to that carb sitting there clicking.
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Old Jun 26th, 07, 04:25 PM
esm632000 esm632000 is offline

eric
 
Join Date: Jun 2007
Location: massachusetts
Posts: 12
Default Re: 4bbl q-jet

I have an 1985 camaro berlinetta with same carb, and the same problem your having please let me know if you figure it out.


thanx
Eric
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