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2002 chevy-suburban 5.3 4wd p0300 Problem Need help
ok so i unbolted the driver side cat. revd it up and NO MISFIRE! it started to misfire at idle but i only unbolted the cat i could not lower it to much so i think it is to close and causing back pressure still..... CAR SOUNDS AMAZING with an exhaust leak lMFAO So i should have trusted my...- kamelred408
- Post #12
- Forum: Suburban / Yukon XL / Escalade ESV
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2002 chevy-suburban 5.3 4wd p0300 Problem Need help
I broke my pcv valve hose during the valve gasket repair i am doing atm. im going to swap the o2 sensors and see if any change tomorrow when i get the new pcv and hose. i have oil leak from both valve cover gaskets but nothing else that i can see. i am going to do a compression test as well do...- kamelred408
- Post #10
- Forum: Suburban / Yukon XL / Escalade ESV
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2002 chevy-suburban 5.3 4wd p0300 Problem Need help
10 psi dropped in 5 min and the rest took about 30 more min ill spray the intake with some brake cleaner im making a home made smoke tester as well ill keep updated i took the valve cover off to make sure no lifter where stuck . all are moving the pcv was toasted so i ordered one and i...- kamelred408
- Post #6
- Forum: Suburban / Yukon XL / Escalade ESV
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2002 chevy-suburban 5.3 4wd p0300 Problem Need help
ok thanks im doing a valve cover job on it now so ill swap them and see if miss moves to bank 2.... that is a great idea thanks bud- kamelred408
- Post #3
- Forum: Suburban / Yukon XL / Escalade ESV
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2002 chevy-suburban 5.3 4wd p0300 Problem Need help
Hello all i am new to this forum and am looking for some help. 2002 chevy-suburban 5.3 4wd p0300 Problem Parts That we have replaced with new OEM. All Spark Plugs All Spark Plug Wires All Ignition Coils All Fuel Injectors Fuel Filter I had not done those and the car has 200k Miles so i...- kamelred408
- Thread
- p0300
- Replies: 13
- Forum: Suburban / Yukon XL / Escalade ESV
