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TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

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Old 10-05-2009, 09:08 PM   #1
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Any ideas

I just got my car back together and i installed a bigger cam, ported the heads, block is bored 30 over edelrock intake and headers no exhaust yet. 350 injectors, stock prom still, we got the car running great on saturday ran awsome, went to start it sunday and i had a injector leaking and the car wouldnt start or run right. now the thing is unflooded and is running like **** do you guys think i could have bad pluggs now, or a bad o2 sensor?? gas was coming out the headers. any ideas on what i should do?
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Old 10-05-2009, 09:36 PM   #2
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Re: Any ideas

Well, I would start by fixing that leaking injector. Then I would clean up the plugs, and see how that works. I don't know that raw fuel would actually harm an oxygen sensor, but I am by no means an expert. Check for vacuum leaks too.
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Old 10-05-2009, 09:46 PM   #3
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Re: Any ideas

I changed the injector already, i guess i forgot to add that.
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Old 10-05-2009, 11:07 PM   #4
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Re: Any ideas

Ok, well, do the other stuff, and runs like **** isn't very easy to diagnose. Start with the plugs and vacuum leaks, then give us some more details. Like is it running rich or lean and other info like that. Anyhow, keep digging, its probably something simple if you had it up and going.
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Old 10-06-2009, 05:24 PM   #5
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Re: Any ideas

CE light?
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Old 10-06-2009, 05:57 PM   #6
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Engine: 305 TBI
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Re: Any ideas

Have you tried running the car with the stock 305 injectors again? It is my understanding that with the 350 injectors some prom tuning would be in order to even run properly. Did you pull the 02 sensor to check and see if is wet from fuel still?
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Old 10-08-2009, 11:43 AM   #7
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Re: Any ideas

Thanks for the help guys, i found a new problem i have a bent push rod hopefully the valves arent screwed up
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Old 10-08-2009, 11:54 AM   #8
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Re: Any ideas

Ouch! Did you install new pushrods when you did your rebuild or use the stock ones?
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Old 10-08-2009, 01:23 PM   #9
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Re: Any ideas

i used the stock ones when i did the rebuild.
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Old 10-08-2009, 07:57 PM   #10
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Car: 1989 GTA, 1985 T/A
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Re: Any ideas

Huh.....well.....that sucks. Sorry about your luck. Definitely much worse than a vacuum leak.
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Old 10-08-2009, 07:57 PM
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