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Thread: bad backfire after plug replaced
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01-20-2013, 01:21 PM #1
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- Jan 2013
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- Farmington,NM
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- 6
bad backfire after plug replaced
I am working on a completely stock v6 camaro just replaced fuel pump and put new wires and plugs in. It had a back fire and ran real rough when cold so changed plugs and wires and now it is even worse any ideas? The back fires sound more like a pop when just revving it.
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01-20-2013, 01:22 PM #2
- Join Date
- Jan 2013
- Location
- Farmington,NM
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- 6
Further more the plugs are just the cheap copper one's and it is a 2001
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01-20-2013, 02:27 PM #3
Maybe the timing chain jumped a tooth?
2010 Camaro SIM 2SS/RS A6
1999 TA A4 NBM
12.265 at 110.52mph
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01-20-2013, 03:21 PM #4
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- Apr 2010
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- Alabama
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- 3,625
Black/ Silver- 98 TA WS6/ 01 C5 Corvette
Do you have any codes?
1998 Trans Am WS6 - Phantom
421 CI LQ9, Tick Performance Custom Cam, TFS 255cc LS3 heads, Kooks 2" LT headers, Kooks 3" True Duals w/ high flow cats, FTP 104 lid, Speed Density Tune, 4" silicon tube, LS6 VCT, FAST 102 Intake, NW 102 TB, Oil Catch Can, SLP Bilstein Shocks w/ Vogtland Springs, CTS-V 4-piston Calipers w/C6 Z06 rotors, Stainless Steel Brake Lines, R1 concepts premium rotors, Hawk HP+ brake pads, VFN WSQ Hood, C5-R timing chain, SLP oil pump, E85 tune, Walbro 450 fuel pump, Deatschwerkz 95# injectors, Breathless performance headlights, Frost Tune, !HVAC.
(Coming Soon) BMR DSL, UMI TQ Arm
421 LQ9 14.8:1 on E85 Build/
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01-20-2013, 03:49 PM #5
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- Jun 2011
- Location
- Branchville, NJ
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- 3,111
Silver & Blue- 02 Camaro SS, 04 GTO
Need codes, need codes.
My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k
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01-20-2013, 04:24 PM #6
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- Jan 2013
- Location
- Farmington,NM
- Posts
- 6
It is not giving any codes.......
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01-20-2013, 08:35 PM #7
Have you checked fuel pressure?
Boost gets you laid, unless your name is Jon.
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01-21-2013, 03:51 PM #8
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- Jan 2009
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- North Jersey
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- 11,496
Phantom Black Metallic- 2004 GTO M6
We need mileage as well. Are the plug wires on tight? Did they click when you put them on?
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01-21-2013, 06:41 PM #9
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- Jan 2013
- Location
- Farmington,NM
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- 6
So i used copper plugs ether the car dose not like them or they where dropped by the store at some point i changed to the fine wire plugs and it cleared everything up.
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01-21-2013, 07:58 PM #10
Glad it was an easy fix.
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01-21-2013, 08:17 PM #11
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- Jan 2013
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- Farmington,NM
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- 6
Yea me to considering its a customers car! now for my brothers Dodge Commons with a runaway throttle problem and i'm not talking miner ether over rev to 4300rpm with a red line of 3200. Has any one noticed everyone's shit is going to hell?
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01-21-2013, 08:41 PM #12
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- Jan 2013
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- Farmington,NM
- Posts
- 6
I wont to thank every one on hear for the help i know my spelling and grammar is shit and i catch a lot of hell for it on the other Forums but all of you guys where fantastic! great bunch of people really thanks!
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01-22-2013, 05:20 AM #13
Good to hear it was something simple.
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01-25-2013, 03:37 PM #14
- Join Date
- Jan 2009
- Location
- North Jersey
- Posts
- 11,496
Phantom Black Metallic- 2004 GTO M6
Good to hear.
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