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1991 z28 stalling at stop

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Old Jul 18, 2012 | 04:22 PM
  #1  
djjd's Avatar
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1991 z28 stalling at stop

well i have a 1991 z28 with the 350 in it/lately it has been stalling when coming to a stop/i have replaced the distributor/ fuel pump/plugs /wires/numinous sensors/lol and just about everything else/am at a stop/ i read in here that the speed sensor will cause this problem it was awhile ago and i cant find the thread/is this true /the speed sensor is shot so will probably replace any ways/but i would appreciate any other ideas that you alll have Thanks to anyone replying any ideas would be most helpful DjjD
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Old Jul 19, 2012 | 06:24 AM
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I have this same problem can someone please help us? I've replaced Button, Cap, Pick-up and Ignition Coil, cleaned out TPS Sensor. I'm confused when I get paid I'll change plugs and wires but would they go bad when warmed up but not when cool?
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Old Jul 20, 2012 | 01:36 PM
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cw3adkins's Avatar
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From: Northeast Ohio
Car: 87 IROC Z-28
Engine: 5.0L 305 TPI V8
Transmission: 700R4
Axle/Gears: 3.23
Re: 1991 z28 stalling at stop

Unless the wires are arcing or damaged, I wouldn't think that would be the problem. Have you guys checked your vacuum lines for cracks and leaks?
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Old Jul 20, 2012 | 02:52 PM
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sid rs91's Avatar
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From: Vancouver, B.C
Car: 91 RS TBI 91 Z28 TPI
Engine: 305
Transmission: wc T5
Re: 1991 z28 stalling at stop

I had a similar issues and it turned out be the injectors.
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Old Jul 20, 2012 | 04:21 PM
  #5  
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From: Hollywood, FL
Car: '88 Black GTA, T-tops, digital dash
Engine: 5.7 TPI w/custom chip
Transmission: 700R4
Axle/Gears: 9 bolt 327 posi
Re: 1991 z28 stalling at stop

That's a nice looking Camaro!
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Old Jul 20, 2012 | 04:21 PM
  #6  
irishhockey34's Avatar
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From: Plymouth Twp. PA
Car: 92RS
Engine: LQ4
Transmission: 4L80E
Axle/Gears: 3.23
Re: 1991 z28 stalling at stop

sounds like a vacuum leak. go through all your lines. is throwing an SES light?
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Old Jul 22, 2012 | 10:20 AM
  #7  
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Re: 1991 z28 stalling at stop

no m8 funny not showing any ses light /but funny thing is when i replaced the speed senser the problem has mostly gone away /it still happens on occasion but very seldom/going to have to go with a vacuum leak seems the most probable/then injectors>want to thank everyone for the input will get back to you all with results ahh the wonders of working in a f body car lol /ahh have another ? had the exhast system replaced with what was supposed to be a oem system but when i got under the beast they had put in a exhaust for the 305 instead of the proper one /would this cause backpressure issues causing it to stall out just wondering oh well back to the shop /enjoy your day everyone thanks again djjd

Last edited by djjd; Jul 22, 2012 at 11:08 AM.
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