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

Urgent Please Help

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Old Dec 1, 2006 | 10:26 AM
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Me5075's Avatar
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Urgent Please Help

I have an 89 rs 305 TBI. When I start it it idles really crappy until it warms up. When it warms up it runs okay If I baby the accelerator. When i try to give it more it backfires and tries to die. Somtimes and i mean sometimes it powers through that and goes like a bat out of hell. I have replaced the injectors and was wondering about it possibly being the IAC.
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Old Dec 1, 2006 | 10:38 AM
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From: Yukon, OK
Car: 95 Silverado
Engine: TBI 350
Transmission: 4L60E
Axle/Gears: 3.73 Detroit Truetrac
Could be the IAC but I would look first at the EGR system.

Brian
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Old Dec 1, 2006 | 12:18 PM
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From: Moorestown, NJ
Car: 88 Camaro SC
Engine: SFI'd 350
Transmission: TKO 500
Axle/Gears: 9-bolt w/ 3.23's
CTS or fuel pump are also culprits as well as the ignition system.
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Old Dec 1, 2006 | 05:04 PM
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Not tryin to sound stupid but what is cts. Thanks
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Old Dec 2, 2006 | 12:32 AM
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From: houston
Car: 83 POS monte carlo 2015 chevy P/U
Engine: 92 5.7 tpi 5.3
Transmission: 700r4 6L60E
Axle/Gears: 2.42 too high
coolant temperature sensor
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Old Dec 3, 2006 | 06:55 PM
  #6  
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From: B-town
Car: 1989 camaro RS
Engine: 5.7 350
Yeah same problem here i have a 89 camaro rs when i put my car into D from P somtimes it stalls and turns off or sometimes when i put it into D to R or the other way around it stalls and turns off i need help what could it be? what should i do? moneys tight so is their anything i could do myself??

THanks josh
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