1991 chevy suburban v1500 running issue
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CF Beginner
Joined: Sep 2022
Posts: 4
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From: Roseburg
1991 chevy suburban v1500 running issue
I have been working on my suburban and ive replaced the entire ignition system and fuel system along with the ecm, coolant sensor, and o2 sensor.The thing is I can get it to start right away the iac will not respond its been replaced and the new one works the code on the system is 15 ive already replaced the sensor twice and the whole harness for it still nothing. I think the harness for entire rig is shot, but i could be wrong please help
CF Monarch
Joined: Oct 2017
Posts: 4,605
Likes: 269
From: USA
I have been working on my suburban and ive replaced the entire ignition system and fuel system along with the ecm, coolant sensor, and o2 sensor.The thing is I can get it to start right away the iac will not respond its been replaced and the new one works the code on the system is 15 ive already replaced the sensor twice and the whole harness for it still nothing. I think the harness for entire rig is shot, but i could be wrong please help
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