12-07-2017, 08:08 PM | #1 |
Drives: 17 ZL1 A10, BMW 1200RT-P Join Date: Feb 2017
Location: Carson, Ca.
Posts: 110
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HELP!!!!! Injector problems
I have a knock or tick coming from my car. I think it is an injector. I have a 6th Gen Z. Has anyone heard of any defects or such about this? E85 has been done so there went the warranty. Just want to get it fixed. If anyone has input it would be appreciated. I watched a video on youtube of a 5.3 with a bad injector and it sounds the same. No codes being thrown. Drove the car one night and no problem. Next day the problem came. Hope its not a rocker.
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12-07-2017, 08:26 PM | #2 |
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you had it tuned for E85 and this happened the next morning?
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12-07-2017, 08:39 PM | #3 | |
Drives: '21 ZLE A10 Join Date: May 2012
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Quote:
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'21 ZLE A10 Wild Cherry PDR 2:00.78 VIR Full 10.68@131.69 1.68 60'
'17 ZL1 A10 Mosaic Black PDR/Nav 2:03.08 VIR Full 11.003@129.2 1.75 (sold) '15 Z/28 #325 Black a/c & stereo. 2:10.1 VIR Full (sold) '12 ZL1 A6 Black 10.52@131 1.55 60' 2:13 VIR Full (sold) |
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12-08-2017, 08:36 AM | #4 |
Drives: 17 ZL1 A10, BMW 1200RT-P Join Date: Feb 2017
Location: Carson, Ca.
Posts: 110
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No. It’s been tuned for a few months now.
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12-08-2017, 09:52 AM | #5 | |
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Drives: 2017 Camaro ZL1 A10 Join Date: May 2012
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Quote:
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12-08-2017, 09:59 AM | #6 |
Drives: 17 ZL1 A10, BMW 1200RT-P Join Date: Feb 2017
Location: Carson, Ca.
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I was under the impression that you didn’t need bigger injectors for the E85. Tom@Izzy Performance did the tune. I’ll try and upload a video now.
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In the famous words of Al Bundy "Let's Rock!!"
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12-08-2017, 10:07 AM | #7 |
Drives: none Join Date: Nov 2012
Location: Dallas, tX
Posts: 248
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Not sure how much head room our injectors have with E85, but Dave Steck(the flex fuel guru) says you need a low side fuel system at a minimum as there isnt enough head room in that side of the fuel system.
Buddy of mine with a C7 can only run up to E47 before he runs out of fuel. He's running stock low side, but has a cam to add high side fueling. |
12-08-2017, 10:24 AM | #8 |
Drives: 17 ZL1 A10, BMW 1200RT-P Join Date: Feb 2017
Location: Carson, Ca.
Posts: 110
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In the famous words of Al Bundy "Let's Rock!!"
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12-08-2017, 10:30 AM | #9 |
CamaroFans.com
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No injectors required... plenty of head room there.
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12-08-2017, 10:34 AM | #10 |
Drives: none Join Date: Nov 2012
Location: Dallas, tX
Posts: 248
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That doesnt sound like injector ticking, at least not any I have ever heard. Sounds valve train related to me.
Collapsed lifter perhaps. The slight squealing could be a lifter wheel. |
12-08-2017, 12:09 PM | #11 | |
Bupp Motorsports
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12-08-2017, 12:39 PM | #12 |
Drives: 2017 ZL1 A10 Join Date: Nov 2009
Location: Pearland, TX
Posts: 465
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I'm going to go with this. Plus misfiring or malfunctioning injectors will throw a check engine light.
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12-08-2017, 03:24 PM | #13 |
Drives: 2017 ZL1 Join Date: Mar 2014
Location: DFW, TX
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$5 at Harbor Freight and great for isolating noises |
12-08-2017, 03:45 PM | #14 |
Drives: 2019 Shock ZL1 Join Date: Jan 2007
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That is NOT injector noise. Top end valvetrain.
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