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Help please no start cranks fine

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Old Sep 10, 2015 | 10:50 AM
  #11  
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Originally Posted by fj5gtx
I use my old trusty inductive timing light to check out spark conditions. Easily understand what is going on with anything that has spark plug wires. Can probably pick one of those up used pretty cheap.

Here is one that is similar to the one I have.. guessing mine is probably 30 years old.

http://www.ebay.com/itm/121751412838
I think mine is somewhere in the basement it would take longer to find it
 
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Old Sep 16, 2015 | 02:00 PM
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Originally Posted by HeyYou
Need to see what's missing. It's going to be either spark, or fuel. Was it raining when it died on the road?
looks like no signal from the pcm to the coil now searching for a used pcm may have found One in THUNDER BAY on but note states may no tbe flashable ??? you would think if its the exact same pcm why flash or why wouldnt it flash ? thanks in advance long way from a coil or cap rotor issue
 
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Old Sep 16, 2015 | 02:08 PM
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Are you getting power TO the coil? Is it there while cranking?
 
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Old Sep 16, 2015 | 03:57 PM
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Originally Posted by HeyYou
Are you getting power TO the coil? Is it there while cranking?
yeah voltage on the hot side no signal from pcm have signal from crank sensor to pcm we have continuity from pcm wire to coil
 
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Old Sep 16, 2015 | 04:00 PM
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Getting injector pulse?
 
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Old Sep 18, 2015 | 03:51 PM
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Originally Posted by HeyYou
Getting injector pulse?
yes theres pulse from the injectors triple checked that at least I was able to find someone that rebuilds pcms in ontario that is if and when my buddy with the scan tool comes over to verify .I guess I could pull the pcm openitr up and see if the coil driver has burn marks .
 
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Old Sep 19, 2015 | 11:20 AM
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Certainly sounds like a PCM problem......
 
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Old Sep 19, 2015 | 01:07 PM
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Originally Posted by HeyYou
Certainly sounds like a PCM problem......
Hopefully know on monday
 
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Old Sep 29, 2015 | 02:16 PM
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Originally Posted by byteme
Hopefully know on monday
yes it was the coil drive blew out .it dawned on me why i couldnt find a used pcm here the truck is from the states
 
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