Fuel pump wouldn't throw the P0300 code though would it? I didn't think a faulting fuel pump would cause a random missfire. I will check it for sure though
207000 kilometers on it so about 128000 miles.
The spark plugs were in pretty bad shape. Random Gap. So I was really hoping that was the issue. I replaced them all with new bosch iridium plugs .040 gap which is what was recommended in the owners manual. And nothing has changed.
I will move...
Ok new member first time posting.
I am having an issue with my 2001 Yukon Denali 6.0l. It is really having a hard time starting. Not everytime but I would say two out of every 5 times I start it.
It just sits there and cranks but takes a few seconds to actually fire up. Once its running it...
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