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Problems, questions & answers about: Engine, exhaust, fuel system; wont start, runs rough, Check engine light, etc
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0 Members and 15 Guests are viewing this board.
Engine won't start or turn over old skool 6 68 Last post Today at 15:59
by old skool
Really bad shudder when shifting into overdrive Jfarrar23 9 192 Last post Today at 04:28
by ygmn
Fuel pump won't prime 2007 lilrez 1 50 Last post Yesterday at 12:04
by MS03 2500
2007 Wont turn over truckma 1 89 Last post May 15, 2019, 10:42:25 AM
by 2004Slickside
Rough Idle below 900 rpm. I've tried EVERYTHING dwdooley 7 229 Last post May 15, 2019, 10:05:15 AM
by 2004Slickside
2011 AV with oiling system issue dakotadog 1 129 Last post May 14, 2019, 13:03:37 PM
by BainMan
Gas smell (pretty sure not fuel pump) claypoolxx 2 106 Last post May 14, 2019, 12:45:30 PM
by BainMan
2004 Avalanche overheating issue Toqwik 4 135 Last post May 14, 2019, 10:14:36 AM
by MS03 2500
2007 avalanche engine ticking/knocking Skithis 4 114 Last post May 9, 2019, 11:47:13 AM
by MS03 2500
Broke fitting that snaps on top of purge valve for vapor canister. dwdooley 13 189 Last post May 7, 2019, 23:24:23 PM
by MS03 2500
03 Chevy avalanche reduced engine speed buenf 7 212 Last post April 30, 2019, 08:13:26 AM
by buenf
'07 5.3L AV white smoke at startup and oil consumption wrpfctr7 9 3,483 Last post April 29, 2019, 15:07:31 PM
by ShooterMcooter☆08
Disable fuel system for compression test. dna9656 5 116 Last post April 28, 2019, 09:43:50 AM
by dna9656
Engine light kmarshall21 1 93 Last post April 26, 2019, 22:26:56 PM
by marzahld
O2 sensor Duneit 3 119 Last post April 26, 2019, 22:19:57 PM
by marzahld
Average coolant temp 07 avalanche aveduc 1 71 Last post April 20, 2019, 12:21:05 PM
by Randy
A video with an overview of the AFM system. EXT4ME 4 97 Last post April 16, 2019, 20:05:36 PM
by old skool
Could use some help (mechanically speaking) Justinl350 3 189 Last post April 16, 2019, 11:52:23 AM
by MS03 2500
Slow Refueling Problem Solved on 2004 Noxzilla 0 74 Last post April 11, 2019, 03:36:07 AM
by Noxzilla
Lifter replacement, questionable head gasket jrannestad 14 400 Last post April 10, 2019, 20:12:25 PM
by Chevymike2003
Fuel gauge read empty with 1/3 tank of fuel CarMech1969 14 462 Last post April 8, 2019, 18:10:51 PM
by Randy
2003 Avalanche egr??? Oldredtin 15 355 Last post April 5, 2019, 20:10:12 PM
by Oldredtin
02 Avalanche w/ 5.3L vortec High oil pressure Issues oil lvl good no leaks aidanpot1 3 157 Last post April 3, 2019, 22:47:24 PM
by marzahld
Engine Hot - A/C Turned Off wrd1972 4 133 Last post March 31, 2019, 12:19:07 PM
by Chevymike2003
noise after warming up weddow 6 535 Last post March 30, 2019, 19:44:41 PM
by Odineals03
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