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09-17-2016, 09:15 PM
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#1 |
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Mad***der
Drives: 2010 Camaro 2SS Join Date: Aug 2016
Location: Fremont CA
Posts: 80
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HELP! Misfires are upon me!
P0308 code
Cylinder 8 misfire... 2010 Camaro ss, I looked at the plug and it looks good, the wire looks a bit chewed up by where it meets the plug head. I can't hear any ticking or anything abnormal, any suggestions? |
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09-17-2016, 09:42 PM
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#2 |
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Ammo
Drives: 2010 Camaro 2SS/RS (LS3 M6) Join Date: Aug 2013
Location: Austin Texas
Posts: 229
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I had a massive mis-fire bank 5, code showed mis fire, ended up being a valve spring broke, luckly didn't drop a valve.
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09-17-2016, 09:43 PM
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#3 |
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Ret AF, cancer survivor
Drives: 2013 Camaro 2SS/RS & 2006 Corvette Join Date: Jul 2015
Location: Mesquite, NV
Posts: 2,741
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If the wire looks 'chewed up' the internal wire may be frayed and you might be getting a weak spark. If it's frayed and not broken, you may not be getting a short or hear the 'popping' sound associated with a short/arcing. I would start with replacing the wire ... if it's chewed up, it should be replaced regardless.
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09-17-2016, 10:47 PM
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#4 | |
         
Drives: Miss Con Ception Join Date: Aug 2016
Location: Chicagoland
Posts: 2,998
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09-17-2016, 11:21 PM
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#5 | |
 
Drives: '11 2SS/RS LS3 M6 (Sold) Join Date: Dec 2015
Location: VA
Posts: 200
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Quote:
If the wire is arcing it probably fried the spark plug. Get both replaced.
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2011 IOM 2SS/RS LS3 M6- Injen CAI, TSP 1 7/8” headers, PTB, Hurst short throw, Corsa catback exhaust, 20" TSW Nurburgrings, BMR lower control arms, BMR tunnel brace, Hotchkis lowering springs. 3660lbs. Tuned by me (sold)
2010 RJT 1SS/RS LS3 M6- CAI, TSP 2” headers, TSP F-35 cam, PTB, Hurst short throw, Dronemaster catback, BMR lowering springs, Kirkey seats, 20”/18” Weld Belmonts, 3550lbs. |
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09-18-2016, 07:35 AM
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#6 |
Drives: 2012 M6 Camaro SS (RIP) Join Date: Nov 2014
Location: Virginia
Posts: 1,684
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Just a spark plug or ignition wire that needs replaced
Did you just install headers? I had two that cracked on me after installing headers and they slowly let go over time till the miss was very noticeable. Replaced all of my plugs and ignition wires
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Speed engineering 1 7/8 LTs, CAI inc Cold Air Intake, offroad connectors, Solo performance axle back with J pipes, tune, and in need of a driver mod LOL
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09-18-2016, 08:47 AM
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#7 |
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Wires and plugs are cheap! I would start there. Nows the time to buy a better aftermarket wire set. I would replace with same type of plugs and set gap same as factory. I used the MSD make your own length kit. I also hear good feed back on the Taylor wires to.
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Car mods: never enough!
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09-18-2016, 09:30 AM
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#8 |
Drives: 2010 SS 2SS M6 Join Date: Aug 2016
Location: Smithsburg, Md.
Posts: 2,445
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Accel 9000 extreme on all but 7, JBA includes extender for their shortys....I also recommend(if you have access to one) is multi meter the resistance(ohms)of the wires before install(even new)....
Excellent point above about any header install, cracked insulator very common if plugs were left in during r/r... Regardless any trblshtin should always start with the basics...saves alot of $$$$ and
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2010 SS 2SS M6 - Tune by RDP dynoSteve!(Woot) - Daily Driver - 150K! - All work by me...
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09-19-2016, 06:23 AM
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#9 |
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BUMBL Z
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Just replace the plug and wire. It's cheap and most likely your cause
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Current: 2015 ZL1 M6, Rotofab Intake, LS3 throttle body, 2.55 Upper/9.17 Lower w/ Idler Relocation, DMS Reinforced Brick, ID1050X, 1 7/8" Headers, ProSpeed HX/Reservoir, DSX Aux Pump/Flex Fuel Sensor, E85, McLeod RXT, BMR 1" Drop, Tuned by Pat G
Past: 2010 2SS, some bolt ons, 415rwhp/400rwtq  |
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09-19-2016, 10:04 AM
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#10 |
Drives: 2011 1LT Join Date: Mar 2012
Location: Crestline, CA
Posts: 3,029
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About 30 years ago, I was trying to identify a miss on my Cutlass. I (wrongly) assumed that a car was just 12 volts, anywhere, any time... so I pulled a plug wire off while the car was idling.
The shock threw me to the ground, and did permanent nerve damage to my arm, from the two fingers that took the brunt of the shock all the way to my elbow... there is still a numbness there. So, just be careful while trying to figure this one out.... |
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09-19-2016, 10:09 AM
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#11 |
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Drives: 2010 SS 2SS M6 Join Date: Aug 2016
Location: Smithsburg, Md.
Posts: 2,445
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LOL it aint the volts! its the amps that killz ya....been there done that...
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2010 SS 2SS M6 - Tune by RDP dynoSteve!(Woot) - Daily Driver - 150K! - All work by me...
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09-19-2016, 10:22 AM
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#12 | |
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Mad***der
Drives: 2010 Camaro 2SS Join Date: Aug 2016
Location: Fremont CA
Posts: 80
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09-19-2016, 11:37 AM
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#13 | |
Drives: 2010 RS Inferno Orange Metallic Join Date: Mar 2010
Location: Albany, Ga.
Posts: 3,398
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Quote:
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PCP Hideaway Headlight Covers, BBK Headers & High Flow Cats, ZL1 Add-ons Wicker Bill, TL1/ZL1 Hood Insert, Gen5 DIY Frameless Mirror, ABL Dash Lighting an My link Navigation, Blacked out Rear Bowtie, all Sylvania led Turn Signals, Ceramic Window Tint By Nicks, MBRP Exhaust tips, GEN5 DIY Virginia Legal DRL Harness, Painted Brake Calipers, Vittesse Throttle Controller, Heritage Grill, Diode Dynamics Led Lighting, Manual Shifter Boot, Paddle Shifters, CNC Throttle Body, Trifecta Tune, RX Catch Can & Breather, Trunk Black out and Side Grills, Chevorlet door Sills.
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