Near Spring First Drive Woes

Tannero · 02-28-2026, 03:39 PM

So. Take my car out that has been in a heated shop and not driven since probably Thanksgiving. Have 3 other cars. Mothballs and dryer sheets. Now to my first ride.
Fluids are all great. It’s 50 here, sunny day. Let it warm for 10 min. 6 miles into a very easy drive I get into I say half way at 30mph. Supercharger hits about 2oclock on the panel and the engine sounds like a jake break. Like missing a cylinder or something. Lay off it. Engine symbol comes on. Goes off when I let up. Wtf?

Car has 8k miles. Ran mint when I put it away. Stopped at the store. Ran it home. Did it again. Runs mint until heavy supercharger load.

Any ideas? I will take it to a good dealer but is my supercharger shot? Whines good up to the zero setting the. The jake break sounds in my exhaust.

Critter chew something?

Evansa22 · 02-28-2026, 05:41 PM

Check the codes? Stock? Running ethanol?

Tannero · 02-28-2026, 06:50 PM

Quote:

Originally Posted by Evansa22

Check the codes? Stock? Running ethanol?

Stock. Rotofab air intake. Atak muffler. So basically stock. Just happened today and I don’t have a code reader so have to get to dealer to troubleshoot and read codes.

bishopts · 02-28-2026, 07:42 PM

Quote:

Originally Posted by Tannero

Stock. Rotofab air intake. Atak muffler. So basically stock. Just happened today and I don’t have a code reader so have to get to dealer to troubleshoot and read codes.

It would be cheaper to buy a code reader

piening2150 · 02-28-2026, 07:53 PM

Stop by Autozone. They'll pull codes for free.

Or like Bishop said buy a code reader. Handy to have and cheap. $5-30 for a BT dongle + free to $30 app on your phone. Standalone code readers are $30-ish and up.

SS_Don · 02-28-2026, 09:30 PM

Was gas treated before storage?

Tannero · 03-01-2026, 06:56 AM

Quote:

Originally Posted by piening2150

Stop by Autozone. They'll pull codes for free.

Or like Bishop said buy a code reader. Handy to have and cheap. $5-30 for a BT dongle + free to $30 app on your phone. Standalone code readers are $30-ish and up.

Thank you Bishop and Piening. I did not know readers were so affordable. I will look into one.

Tannero · 03-01-2026, 06:58 AM

Quote:

Originally Posted by SS_Don

Was gas treated before storage?

I did not treat the gas.

Not ruling that out but perfect performance otherwise.

The sound was like the rev limiter when getting into it. Only when getting on it.

2023_ZL1-AUTO · 03-01-2026, 07:29 AM

Once I had a hose that came disconnected (I think it was at the firewall, that connected to the stock EVAP box) I had a very weird but kind of similar issue. It only happened when I got into the pedal. It might not hurt to make sure all your lines are securely connected. But I also had engine codes that kind told me, "bro, you have an issue" !

Tannero · 03-01-2026, 07:37 AM

Quote:

Originally Posted by 2023_ZL1-AUTO

Once I had a hose that came disconnected (I think it was at the firewall, that connected to the stock EVAP box) I had a very weird but kind of similar issue. It only happened when I got into the pedal. It might not hurt to make sure all your lines are securely connected. But I also had engine codes that kind told me, "bro, you have an issue" !

I am going to look over everything today. Weather back to 23 degrees! Really appreciate the tip to look at the hose and yes, I am going to get a code reader. Looking at them now. Trying to figure out which one to get. Lmk if you have any suggestions. I don’t want junk but also, I am no professional mechanic but know enough do the simple stuff.

Midlife ZL1 · 03-01-2026, 12:44 PM

Quote:

Originally Posted by 2023_ZL1-AUTO

Once I had a hose that came disconnected (I think it was at the firewall, that connected to the stock EVAP box) I had a very weird but kind of similar issue. It only happened when I got into the pedal. It might not hurt to make sure all your lines are securely connected. But I also had engine codes that kind told me, "bro, you have an issue" !

Which codes did you get if you remember? P0171 or P0174 possibly? I have been having this problem for a while but only at full throttle, didn't matter what gear I was in (auto). Seems like if I back off the throttle a hair it goes away a little and I can still accelerate but just not as quickly.

I honestly don't know how my tuner got a dyno run on my car if it runs the way it does for me.

AZIROC · 03-01-2026, 03:22 PM

Ill still never understand how people can throw THOUSANDS of dollars at their vehicles but can't buy a $50 OBD2 scanner.

Then again, the posts will just go from "i got a check engine light on who can guess what it is since I dont have a scanner" to "i got code P1234 and dont know gow to use Google to find out the problem so can someone Google it for me"

I used a matco scanner (md1012) for 10+ years. about as basic as you can get but tells you all the info you need and even tells you if its ready to test emissions or any pending codes.
I recently picked up a topdon 900 lite and its fun to mess with. Overkill for most. Does the same stuff my Marco did. But this 1 is bidirectional and really helpful to determine what's exactly wrong vs throwing parts at a P code

piening2150 · 03-01-2026, 04:28 PM

Quote:

Originally Posted by Tannero

I am going to get a code reader. Looking at them now. Trying to figure out which one to get. Lmk if you have any suggestions. I don’t want junk but also, I am no professional mechanic but know enough do the simple stuff.

I have this BT dongle for Android ($15)-
https://www.amazon.com/dp/B011NSX27A

If you use an iPhone ($40)-
https://www.amazon.com/dp/B076XVQMVS

Those need an app on your phone to work. Torque Lite is free (but limited), Torque Pro, Car Scanner, and OBD Fusion cost $5-10. Those are all on Android. I'm sure some are available for iPhone, but I don't have one so...

I've also got this standalone unit too ($50)-
https://www.amazon.com/dp/B00UJV3E12

Tannero · 03-01-2026, 05:11 PM

AZIroc. Get it. I do want more tools and toys. Just balancing getting my kids through college so it’s tough but like you said, it’s a good investment. I didn’t know scanners were reasonable.

ANCEL BD310 OBD2 Scanner

I bought this one on amazon. Wanted to read codes today but didn’t care for the two models I could find locally. Will let folks know if this scanner is any good. Arrives tomorrow.

No loose hose on firewall unfortunately. Have to say though. Air cleaner and related rubber boots were “wiggleable”. Maybe?

02-28-2026, 03:39 PM	#1
Tannero Drives: 2018 SS / 2021 ZL1 Join Date: Jul 2020 Location: Lima, ny Posts: 50	Near Spring First Drive Woes So. Take my car out that has been in a heated shop and not driven since probably Thanksgiving. Have 3 other cars. Mothballs and dryer sheets. Now to my first ride. Fluids are all great. It’s 50 here, sunny day. Let it warm for 10 min. 6 miles into a very easy drive I get into I say half way at 30mph. Supercharger hits about 2oclock on the panel and the engine sounds like a jake break. Like missing a cylinder or something. Lay off it. Engine symbol comes on. Goes off when I let up. Wtf? Car has 8k miles. Ran mint when I put it away. Stopped at the store. Ran it home. Did it again. Runs mint until heavy supercharger load. Any ideas? I will take it to a good dealer but is my supercharger shot? Whines good up to the zero setting the. The jake break sounds in my exhaust. Critter chew something?

02-28-2026, 05:41 PM	#2
Evansa22 Drives: 2018 HBM ZLE Join Date: Aug 2017 Location: In the garage Posts: 885	Check the codes? Stock? Running ethanol? __________________ Check out my youtube channel https://www.youtube.com/@evans.educa...ocxUzC1ferqeg8 Full SPL suspension / Ported blower / NW 103mm / Rotofab BG / 2" Headers / Ported heads / Upgraded Valvetrain w/ DOD delete / Custom 38% Cam / C7.R Timing chain / Katech Oil pump / BMR motor mounts and chassis braces / Katech 174* Thermostat / Pierburg Supercharger coolant pump / PLM HX / JMS voltage booster / ATI Damper w/ 8.6 Lower / MM Mild catch can / ADM Resevoir / soon to come... Rebuilt Engine / XDI +30% injectors / PWR Oil cooler setup / GMS Hood bracket 760 Whp / 700 Wtq E50

02-28-2026, 09:30 PM	#6
SS_Don Drives: '22 Camaro 2SS Join Date: Dec 2021 Location: Long Island, NY Posts: 1,467 View My Garage	Was gas treated before storage? __________________ '22 2SS \| Wild Cherry Tintcoat \| Design Package 3 \| NPP \| MRC \| A10 \| NAV \| Ceramic Coating \| Full Frontal PPF \| New Hood and Side Stripes \| Michelin PS AS 4 \| Range AFM Disabler Mishimoto Catch Can \| Diode Dynamics side markers \| Cold Air Inductions CAI \| LLoyd Velourtex front/trunk mats with Camaro SS logo \| Footwell Lighting \| Umbra Sequential LED Taillights ZL1addons Deluxe Rock Guards, Stealth Lift Pads, and Tow Hook \| Escort MAXcam360c \| Banks Data Pro and Pro gauges in ZZPerformance pillar pod \| Paddle shifter extensions

03-01-2026, 07:29 AM	#9
2023_ZL1-AUTO Drives: 2023 ZL1 - Beast Build Join Date: Dec 2022 Location: Columbus, Ohio Posts: 1,264	Once I had a hose that came disconnected (I think it was at the firewall, that connected to the stock EVAP box) I had a very weird but kind of similar issue. It only happened when I got into the pedal. It might not hurt to make sure all your lines are securely connected. But I also had engine codes that kind told me, "bro, you have an issue" ! __________________ Katech Track Day CAM 38%•BTR Dual Valve Springs-Johnson Lifters•Trend 3/8 Chromoly Pushrods• VVT Del•CNC Ported Heads•AFM Delete• C5-R Timing Chain•Katech Oil Pump•Katech 112mm•Maggie 2650 3.25” Upper & ATI SD w/10.32” +20%•10 Rib Belt•RFBG•FI Interchiller Stage 2•THPSI Port w/875cc Inj•Dual Drop In Fuel Pump•DSX Aux Pump•Stainless Works 2" w/Legend NPP Axle Back•GESI UHO 4.5" CATs•Brisk RR14S Plugs•BMR Motor Mounts•BMR Cradle Lockout/Bushings Kit•DSS Chromoly DS•RPM 8-Point Roll Cage•10lb FireSense+ w/4Fire SFI 17.1 Fire Sys•Weld Forged Vitesse Rear 17x10 Beadlocks-Front 18x6•Unlocked TCM

02-28-2026, 07:53 PM	#5
piening2150 Drives: '23 2SS 1LE 6MT Join Date: Oct 2025 Location: Toledo, OH Posts: 89	Stop by Autozone. They'll pull codes for free. Or like Bishop said buy a code reader. Handy to have and cheap. $5-30 for a BT dongle + free to $30 app on your phone. Standalone code readers are $30-ish and up.

03-01-2026, 03:22 PM	#12
AZIROC Drives: '86 IROC-Z '18 ZL1 Join Date: Jul 2019 Location: Arizona Posts: 927	Ill still never understand how people can throw THOUSANDS of dollars at their vehicles but can't buy a $50 OBD2 scanner. Then again, the posts will just go from "i got a check engine light on who can guess what it is since I dont have a scanner" to "i got code P1234 and dont know gow to use Google to find out the problem so can someone Google it for me" I used a matco scanner (md1012) for 10+ years. about as basic as you can get but tells you all the info you need and even tells you if its ready to test emissions or any pending codes. I recently picked up a topdon 900 lite and its fun to mess with. Overkill for most. Does the same stuff my Marco did. But this 1 is bidirectional and really helpful to determine what's exactly wrong vs throwing parts at a P code

03-01-2026, 05:11 PM	#14
Tannero Drives: 2018 SS / 2021 ZL1 Join Date: Jul 2020 Location: Lima, ny Posts: 50	AZIroc. Get it. I do want more tools and toys. Just balancing getting my kids through college so it’s tough but like you said, it’s a good investment. I didn’t know scanners were reasonable. ANCEL BD310 OBD2 Scanner I bought this one on amazon. Wanted to read codes today but didn’t care for the two models I could find locally. Will let folks know if this scanner is any good. Arrives tomorrow. No loose hose on firewall unfortunately. Have to say though. Air cleaner and related rubber boots were “wiggleable”. Maybe?

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