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87 Iroc 305 stalling when put in reverse or drive.

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Old Dec 20, 2011 | 08:56 AM
  #1  
TVIROCZ's Avatar
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Car: 1987 Chevy Camaro Iroc Z
Engine: 305 TPI
Transmission: Automatic (700R4)
Axle/Gears: 3.23
87 Iroc 305 stalling when put in reverse or drive.

I took out my car the other day and it was pretty cold (about 30 degrees) I take it out like once a week so I let it warm up for awhile. When I put it into reverse the idle started to drop and it stalled. Started it up got it out of the garage put it into drive, idle drop, stall. I was told it could be a sensor. Anyone else have this probelm?
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Old Dec 20, 2011 | 10:02 AM
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From: Siloam Springs AR.
Car: 1998 Trans/Am, 1989 RS Camaro
Engine: LS1, LQ9 6.0
Transmission: 4L60E, 4L60E
Axle/Gears: 2.73, 2.73
Re: 87 Iroc 305 stalling when put in reverse or drive.

TBI,TPI,LS1,Carb?????? Codes????
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Old Dec 20, 2011 | 10:40 AM
  #3  
TVIROCZ's Avatar
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Car: 1987 Chevy Camaro Iroc Z
Engine: 305 TPI
Transmission: Automatic (700R4)
Axle/Gears: 3.23
Re: 87 Iroc 305 stalling when put in reverse or drive.

TPI.
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Old Dec 20, 2011 | 10:54 AM
  #4  
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From: Siloam Springs AR.
Car: 1998 Trans/Am, 1989 RS Camaro
Engine: LS1, LQ9 6.0
Transmission: 4L60E, 4L60E
Axle/Gears: 2.73, 2.73
Re: 87 Iroc 305 stalling when put in reverse or drive.

Codes??
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Old Dec 21, 2011 | 12:13 AM
  #5  
TVIROCZ's Avatar
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Car: 1987 Chevy Camaro Iroc Z
Engine: 305 TPI
Transmission: Automatic (700R4)
Axle/Gears: 3.23
Re: 87 Iroc 305 stalling when put in reverse or drive.

Awhile ago I checked and it was either 32 or 33.
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Old Dec 22, 2011 | 04:16 PM
  #6  
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Car: 1985 Camaro Iroc
Engine: 350 tpi
Transmission: 700r4
Re: 87 Iroc 305 stalling when put in reverse or drive.

Check these- EGR valve, PCV valve, and your Idle Air Control.
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Old Dec 22, 2011 | 05:42 PM
  #7  
TVIROCZ's Avatar
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Car: 1987 Chevy Camaro Iroc Z
Engine: 305 TPI
Transmission: Automatic (700R4)
Axle/Gears: 3.23
Re: 87 Iroc 305 stalling when put in reverse or drive.

I started it today and put it into drive and reverse, the idle drops very low and it was going to stall and it jumped back up. Also the car idles high. When I am not busy imo will check it and let you guys know.
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Old Dec 22, 2011 | 11:23 PM
  #8  
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Car: 1985 Camaro Iroc
Engine: 350 tpi
Transmission: 700r4
Re: 87 Iroc 305 stalling when put in reverse or drive.

Originally Posted by TVIROCZ
I started it today and put it into drive and reverse, the idle drops very low and it was going to stall and it jumped back up. Also the car idles high. When I am not busy imo will check it and let you guys know.
Im almost certain its the EGR or a vacumm leak. Report back with your findings...
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Old Jan 10, 2012 | 12:22 AM
  #9  
rusty vango's Avatar
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From: knoxville tn
Car: 86 IROC
Engine: 5.0 TPI
Transmission: 700-R-4
Axle/Gears: 2.73 open
Re: 87 Iroc 305 stalling when put in reverse or drive.

TPI parts.net. they have the updated prom for our cars,i had the same problem .found out that the original prom had bugs.this may not be YOUR problem but its worth a shot
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