We replaced the fuel pump, fuel filter and the pmc swotc
What is your question?
We've replaced the fuel pump, filter and the pcm fuse and it still won't crank. It says service brake system when you turn the key on. The pcm fuse blew a half mile down the road after replacing everything.
How long has your 2004 GMC Envoy had this problem?
2 days it died while I was driving and wouldn't crank again.
Hello, if the "PCM fuse" is blowing, you'll need to trace that circuit to see why it's causing the surge which blows the fuse. There's likely some kind of back story that exists which would likely explain what's happening, but since you didn't share that information or perhaps just got the vehicle and don't know -- it's all about testing and determining the source of the problem with hands on inspection.
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