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

Rough idle and reverse

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Old Oct 29, 2010 | 01:11 PM
  #1  
bivens75's Avatar
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From: Cary, NC
Car: 1992 Chevy Camaro
Engine: 305 TBI
Transmission: Auto
Rough idle and reverse

I just replaced my plugs and wires and now the car runs rough in reverse and idles high in park. It's a 92 rs and I used ac delco plugs and accel wires. Any help will be appreciated.
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Old Nov 2, 2010 | 11:43 AM
  #2  
snflupigus's Avatar
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From: Tempe, AZ
Car: 92 RS, 02 Tacoma, 2 73 Porsche 914s
Re: Rough idle and reverse

but it idles fine in park drive?
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Old Nov 2, 2010 | 01:17 PM
  #3  
92firebird 305's Avatar
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Joined: May 2010
Posts: 301
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From: shalimar florida
Car: 1992 pontiac firebird
Engine: 305 v8 lo3 201.5hp and 268.2 tq
Transmission: 4speed 700r4 corvette servo
Axle/Gears: 3.42 disk posi 4th gen rear swap
Re: Rough idle and reverse

hey could you send me a email bbarnett16@yahoo.com i got some question to ask you about my 305 tbi l03 motor . and ask you about your car what you did to it and stuff thank you
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Old Nov 2, 2010 | 02:48 PM
  #4  
bivens75's Avatar
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From: Cary, NC
Car: 1992 Chevy Camaro
Engine: 305 TBI
Transmission: Auto
Re: Rough idle and reverse

Well today I started it and it is rough period. I tried to drive up the street and it was shaking hard. Now the coolant temp sensor is completely broken in half. I haven't had the time to replace it.
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Old Nov 2, 2010 | 05:25 PM
  #5  
bivens75's Avatar
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Joined: Jul 2010
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From: Cary, NC
Car: 1992 Chevy Camaro
Engine: 305 TBI
Transmission: Auto
Re: Rough idle and reverse

In park it idles at 1700 rpm.
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Old Nov 2, 2010 | 07:39 PM
  #6  
snflupigus's Avatar
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From: Tempe, AZ
Car: 92 RS, 02 Tacoma, 2 73 Porsche 914s
Re: Rough idle and reverse

sounds like vacuum leak... should probably fix that coolant temp sensor too and see what happens.
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Old Nov 2, 2010 | 07:39 PM
  #7  
snflupigus's Avatar
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From: Tempe, AZ
Car: 92 RS, 02 Tacoma, 2 73 Porsche 914s
Re: Rough idle and reverse

just send me a PM.
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