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08-11-2024, 11:30 AM
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#1 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,237
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popping though passenger side exhuast
after fixxing my lean codes with a new pump and filter 65 psi running no more engine light i have a random pop/backfire out the passenger side exhuast, plugs all look good no other running issue pently of power, but random backfire/poping, someone recomened getting the toon checked but im not sure as ive had the ls swap for about 13 year no problems till now any ideas what to check, it has new intake gaskets, and dephli mass flow air sesnor when we where battleing the lean codes
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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08-11-2024, 03:17 PM
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#2 |
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Registered User
Join Date: Mar 2015
Location: Manchester, CT
Posts: 433
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Re: popping though passenger side exhuast
You might want to take a compression test on your right bank to see if you have an exhaust valve issue. And, if you have a real scan tool, check your O2 sensor readings for lean reading, and cylinder contribution/possible misfire
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08-11-2024, 04:16 PM
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#3 |
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Registered User
Join Date: Jun 2015
Location: Carlos MN
Posts: 2,095
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Re: popping though passenger side exhuast
Don't know if would make a difference but the LS is typically run at 58 psi fuel pressure wise at the fuel rail.
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