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

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Old 07-17-2009, 04:05 AM   #1
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Join Date: May 2009
Location: AZ
Posts: 15
Car: 1989 Camaro RS
Engine: Non-stock 350 bored .040 over
Transmission: Stock t-5 (soon to be t56)
Axle/Gears: Stock 3.08 (soon to be 3.73)

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Help, stupid thing acting up!

Hey, my camaro decided to take a massive s#it on me again. Here my dilema: I was out cruising around, when in the middle of an intersection my car just shut down. I pushed it to a parking lot where i tried to get her started and nothing. Then i noticed the injectors werent spraying on start up so i put some starting fluid and BAM it started right up but the injectors still were not operating. Since my dad was doing the spraying, I turned the car off but my dad didnt notice and continued to spray the fluid, and even with the car key to the OFF position the engine was still running then eventually died. Anyways, i figured it was a dead pump so I had it towed to my house. The next day i test the pump and it was starting up, even went to the point of dissconecting the fuel line to make sure it was getting to the injectors and it was. But heres the problem now, the car doesnt want to turn over anymore even with my putting gas directly into the intake, it just cranks with not even a split sec. of turn over. So now im worried. I recently had power windows installed and i was connectiong the switches straight to the power, i gues you need a relay, so ive been killing batterys left and right. Can that be a culprit of this? The injectors are less then a month old so it cant be those. Any help would be greatly appreciated, thanks
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Old 07-17-2009, 04:12 AM   #2
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Car: 1987 Buick WE4 Regal
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Transmission: 200 4R Auto O/D
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Re: Help, stupid thing acting up!

Check all fuses? Under the dash, out by the battery?
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Old 07-17-2009, 12:58 PM   #3
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Join Date: May 2009
Location: AZ
Posts: 15
Car: 1989 Camaro RS
Engine: Non-stock 350 bored .040 over
Transmission: Stock t-5 (soon to be t56)
Axle/Gears: Stock 3.08 (soon to be 3.73)

Classifieds Rating: (0)
Re: Help, stupid thing acting up!

Quote:
Originally Posted by 1989IROC-Z5.7L View Post
Check all fuses? Under the dash, out by the battery?
yup all good
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Old 07-19-2009, 08:26 PM   #4
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Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi

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Re: Help, stupid thing acting up!

Did you check the oil pressure sending unit? It can go bad and not allow fuel to the injectors. It's located either above the oil filter, or on the china wall driver side of distributor. The connector has 3 wires, two are larger than the other. Remove the connector, and stick a paperclip between the two larger connections (unplug the fuse by the battery first). Then see if it starts. If it does, you need a new Oil Pressure Sending Unit (about $40).
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Old 07-19-2009, 08:26 PM
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