04-15-2019, 07:43 AM | #1 |
Drives: 2013 Camaro SS Join Date: Feb 2017
Location: Indiana
Posts: 901
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Bad idle after track day
So Saturday I went to the dragstrip to get some test passes. I got there late so I had to run two back to back before the elimination round. Car ran great both times
They were doing bracket racing which I wasn't interested in I just wanted a go time slip so I decided I was not going to try to stay under my index. During the third pass I felt a vibration thru the steering wheel so I let off the gas and went back to the pits. Everything seemed ok so I thought it was maybe a tire balance issue. Drove home everything normal no codes. Yesterday I started it and there was a definite miss but no codes. Tonight I'll pull the plugs and try to see what's going on. It's a 2013 ss auto with 34000 miles headers intake 3.91 gears. Should I expect the worst? |
04-15-2019, 08:04 AM | #2 |
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Change the plugs maybe. Did you change them when you installed headers? If you dropped one or bumped one with a header they crack rather easy and can cause a good miss over time.
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2010 C6 JET STREAM BLUE
BOLT ONS TO THE EXTREME, GPI 281cc HEADS, Darth_V8r SPEC CAM, FAST 102 INTAKE, CRANK SCRAPER, QUARTER MASTER 7.25" CLUTCH, RPM 3.90 STAGE II DIF, Z51 Gear Set AND E85 Best ET 10.58 @ 131.8 stock heads and stock cam 453/445 SAE 10.62@134.82 GPI 281CC Heads, SS4 Cam and X1 Intake Best 1/8 6.80@105.75 Best MPH 134.82 |
04-15-2019, 08:16 AM | #3 |
Drives: 2013 Camaro SS Join Date: Feb 2017
Location: Indiana
Posts: 901
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That's what I'm hoping for something simple. Engine sounds the same with no loud tick or anything.
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04-15-2019, 12:19 PM | #4 |
Drives: 2013 Camaro SS Join Date: Feb 2017
Location: Indiana
Posts: 901
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I didn't change the plugs or remove them. the headers have been on for two years.
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04-15-2019, 12:36 PM | #5 |
Drives: 2010 Camaro 1SS Join Date: Nov 2015
Location: CA
Posts: 358
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Bad idle can be a bunch of things. I was dealing with this recently. I cleaned the MAF, the throttle body and did the fuse pull and that made a huge difference and not only at idle. A few days later I had a really bad misfire but then I found that one of the ignition cables had come off the coil.
Finally there's fuel. If for some reason you got some bad fuel in the tank it's possible the car isn't going to go back to normal until you replace that batch. Doing the fuse pull after that should clear it up.
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04-15-2019, 03:56 PM | #6 |
Drives: 2013 Camaro SS Join Date: Feb 2017
Location: Indiana
Posts: 901
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Here's the left bank plugs
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04-15-2019, 04:46 PM | #7 |
Drives: 2013 Camaro SS Join Date: Feb 2017
Location: Indiana
Posts: 901
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Here's the passengers side. Also found loose wire that may have caused the misfire.
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04-15-2019, 05:40 PM | #8 |
Drives: 2013 Camaro SS Join Date: Feb 2017
Location: Indiana
Posts: 901
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Input would be appreciated on condition of plugs to me it looks like the electrodes are almost gone.
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04-15-2019, 05:54 PM | #9 |
Drives: 2013 Camaro SS Join Date: Feb 2017
Location: Indiana
Posts: 901
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Input on condition of plugs would be appreciated. Looks like the electrodes are almost gone.
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04-15-2019, 06:06 PM | #10 |
Drives: 2014 2SS RS, 6 sp man Join Date: Feb 2016
Location: Marlton, NJ
Posts: 461
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hard to tell but some look like they are pretty worn.
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04-15-2019, 06:52 PM | #11 |
Drives: 2013 Camaro SS Join Date: Feb 2017
Location: Indiana
Posts: 901
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Only 34000 miles
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04-15-2019, 06:52 PM | #12 |
Drives: 2015 1LE Join Date: Oct 2015
Location: Cleveland, OH
Posts: 1,485
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Plugs look OK, that one plug wire looks a little crusty.
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2015 1LE, TSP 225/236 113+3, VMAX Throttle Body, CAI with race scoop, GPI Ported Intake, Land Speed Stage 2 Heads, 1-7/8 headers, NPP exhaust, 25% Fluidampr, LT1-S Monster Clutch, 485 RWHP & 444 TQ
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04-15-2019, 07:04 PM | #13 |
Drives: 2013 Camaro SS Join Date: Feb 2017
Location: Indiana
Posts: 901
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04-15-2019, 07:53 PM | #14 |
Drives: 2015 1LE Join Date: Oct 2015
Location: Cleveland, OH
Posts: 1,485
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Did you swap it out and see if its OK?
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2015 1LE, TSP 225/236 113+3, VMAX Throttle Body, CAI with race scoop, GPI Ported Intake, Land Speed Stage 2 Heads, 1-7/8 headers, NPP exhaust, 25% Fluidampr, LT1-S Monster Clutch, 485 RWHP & 444 TQ
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