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Old 04-22-2014, 01:46 PM   #1
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Join Date: Feb 2014
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I need help with my 83 camaro

Hi, my name is Jake, I own a 83 z28 Camaro with cross-fire injection. The motor started to cut out. Not right away though. If you start it runs good for a couple minutes. Then it starts acting up, Cutting out with any pressure to the throttle. If you shut it off and start it again it will be fine for about a minute then cut out. The injectors look like they are giving enough fuel. I need help. Thanks.
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1983 Camaro Z28, CFI (Cross-Fire Injection), Cragar Drag Stars
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Old 04-23-2014, 09:17 PM   #2
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Location: north Carolina
Posts: 538
Re: I need help with my 83 camaro

Have you checked for vacuum leaks ?
next time it does this pump the brakes and see if it changes anything
vacuum runs through the brake booster by pumping the brakes your going to build up vacuum
this may not work in all cases ... try spraying WD40 or brake cleaner , carb cleaner
on all vacuum hoses and all connections.... if the engine picks up were your spraying you found the leak
94 Z28 68xxx miles c.a.i ,full exhaust no cats, headers vigilant 2800 stall converter 3:73 gears, shift kit ,sub frame connectors 1.6rr with supporting mods ..
dyno tune @296rwhp. 1/8mile??? coming soon. " waxer "
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Old 04-23-2014, 09:33 PM   #3
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Location: Palatine, IL
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Re: I need help with my 83 camaro

No check engine light or anything? Just trying to rule some things out. I'm thinking it's a computer issue, mainly with your oxygen sensors. Because you say It runs good for a while, that makes me think your system is in "open loop", and once a certain engine temp, or time has elasped, it goes into closed loop and gives your symptoms. Usually replacing the oxygen sensors corrects that problem.
95' Z28 A4

Last edited by Z28Freak86; 04-23-2014 at 09:39 PM.
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Old 04-23-2014, 09:33 PM
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