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Pontiac Forum: Grand am no start
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  #1  
Old August 12th, 2018, 01:27 PM
Mike76 Mike76 is offline
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Grand am no start

1996 Grand am. Car wont start. Changed ignition control module, both crank sensors,and cam sensor. No spark on any coil. Have fuel injector pulse at injector. Any help would be appreciated. Thanks
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Old August 12th, 2018, 06:06 PM
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cannt tell from your post which engine, here is a diagnostic for the V6

https://troubleshootmyvehicle.com/gm...rt-condition-1
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Old August 12th, 2018, 10:26 PM
Mike76 Mike76 is offline
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Quote:
Originally Posted by melsg5 View Post
cannt tell from your post which engine, here is a diagnostic for the V6

https://troubleshootmyvehicle.com/gm...rt-condition-1
It is the v6. Tried everything I have found so far. Still no spark on any cylinder. No signal from the ignition module.
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Old August 13th, 2018, 09:56 AM
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so does your response mean you followed the diagnostics for the ignition control module including checking to see if it has 12 volts input?
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Old August 13th, 2018, 10:17 AM
Mike76 Mike76 is offline
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Yes, it does have 12v input. And is recieving. .801volts ac from the crank sensor. And from what I have read under 400 rpm the computer does not do anything with spark when starting the car.
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Old August 13th, 2018, 01:25 PM
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not sure if the .801 is a flag since the article showed a low number of 1.0 volts.
All these parts you replaced were done without checking them?
Are the replacement parts AC Delco?
You might want to reinstall the original parts and then go through the diagnostic tests.
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Old August 13th, 2018, 06:22 PM
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The article I read shows .3-1.0 volts as a range for voltage from the crank sensor in the block. They are not ac delco parts nor were the ones I took out.
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