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07 suburban p0300 can’t figure out
So I was driving my 07 5.3 flex fuel suburban home with the family when started running really rough. Pulled over and had p0300 code. Motor shakes bad sound like has a knock and it’s really hard to start. Had it towed home and started checking things. Fuel pressure is 55 at the fuel rail. The...- nvious62
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- Forum: Suburban / Yukon XL / Escalade ESV
