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Evap vent solenoid testing

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  #151  
Old 09-01-2024, 11:04 AM
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So it stalls at idle?

Do you feel the misfires?

Are you still getting that ignition code?


George
 
  #152  
Old 09-02-2024, 10:17 AM
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Yes to all of the above. Stalls at idle.i still getting the code and I only feel the missfires at idle. I can see the misfires only at idle. I don't see any misfires when I'm driving. An example is after driving I'll pull into a parking spot and before I can put in into park it will stall if I don't have my foot on the gas peddle.
 

Last edited by jasondis; 09-02-2024 at 11:25 AM.
  #153  
Old 09-02-2024, 01:12 PM
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You have misfires and a code that there is a communication problem between the PCM and the ICM, this needs to be resolved. Perhaps the attached can help.





George
 
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Blazer P0351.pdf (652.7 KB, 5 views)
  #154  
Old 09-05-2024, 06:20 AM
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Thanks George 😊

I'm dog sitting for a friend for the next 2 weeks so i won't be able to do anything until my friend comes back from Europe. But as soon as I'm free again I'll take a look. I'm probably gonna have some questions. Thank you very much for taking the time to send me this information 👍
 
  #155  
Old 09-18-2024, 01:53 PM
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Hi George

I'm starting to test and I'm on step 3. Probe the ic timing circuit is that the B White or D white/black ? I'm assuming it's B because D goes to the coil ? Also should I pull the fuel pump relay when I do this test so I'm not pumping fuel into the engine when I'm testing?


 

Last edited by jasondis; 09-18-2024 at 02:37 PM.
  #156  
Old 09-18-2024, 07:11 PM
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B white.

George
 
  #157  
Old 09-18-2024, 10:49 PM
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Thanks George 👍
 
  #158  
Old 09-19-2024, 04:14 PM
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It points to the icm. Just ordered a new one from Amazon and will replace it tomorrow. I'll let you know how it goes. Thanks again for all your help George 😊
 
  #159  
Old 09-19-2024, 05:48 PM
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Keep us posted.

George
 
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Old 09-20-2024, 07:52 PM
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Hi George

I just got the icm installed it and P0351 is gone. Lesson learned. Dont buy Chinese ICM's ! But now i have P0300 Multiple misfires. Im gonna spray the wires and see if i see anything. Im gonna try another coil i have. I might have to buy another one.Im not sure what else i can do but if you have any suggestions it would be much appreciated. Thanks for all the help getting me past the p0351 😉
 

Last edited by jasondis; 09-20-2024 at 07:59 PM.


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