Hello, I have a issue with a s10 blazer. I have asked around and looked and called and talked, done everything I know. Here is my question, I have been working on my blazer for a few weeks, I have been getting error code 15, and 51.well i took the ecm out made sure the calpak and prom was in solid it did sputter a little bit and died on me when i pulled back into the yard. let it set for a min... drove it again. this time the check engine light flickerd a few seconds at the same time it dogged a little then it started running fine. Any ideas would be apprecated, I love the way it drives and handles just have to get it to running correctly.

 

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