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91 rs NO SPARK please help

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Old Jun 28, 2016 | 02:04 PM
  #1  
Wyattearp316's Avatar
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91 rs NO SPARK please help

My 91 rs just died going down the road, no warning no missing or knocking was running fine and just shut off. The ses codes i got are 23,43,53. So far ive replaced the coil, and the ESC module. Any ideas or help would be greatly appricated. Thanks in advance
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Old Jun 28, 2016 | 02:17 PM
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From: Huntsville, AL
Car: 87 GTA, 88 GTA, 92 TA, 72 RS SS
Engine: 350, 350, 305, 396
Transmission: T56, 700r4, 700r4, T56
Axle/Gears: 3.42, 3.23, 3.23, 3.73
Re: 91 rs NO SPARK please help

Can you hear the fuel pump run when you turn the key forward?

What engine do you have?
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Old Jun 28, 2016 | 02:29 PM
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Wyattearp316's Avatar
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Re: 91 rs NO SPARK please help

Originally Posted by battman
Can you hear the fuel pump run when you turn the key forward?

What engine do you have?
Fuel pump is on, car came with 305 tbi but was told it was swapped for 350 tbi
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Old Jun 28, 2016 | 02:54 PM
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battman's Avatar
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From: Huntsville, AL
Car: 87 GTA, 88 GTA, 92 TA, 72 RS SS
Engine: 350, 350, 305, 396
Transmission: T56, 700r4, 700r4, T56
Axle/Gears: 3.42, 3.23, 3.23, 3.73
Re: 91 rs NO SPARK please help

some useful troubleshooting information:

http://easyautodiagnostics.com/gm/4....ed-icm-tests-1
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Old Jun 28, 2016 | 08:22 PM
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Wyattearp316's Avatar
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Re: 91 rs NO SPARK please help

Originally Posted by battman
some useful troubleshooting information:

http://easyautodiagnostics.com/gm/4....ed-icm-tests-1
Thanks icm fixed it!
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