1500 miles on BR7EF plugs, rough idle almost stalled - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

sbelyo · 12-03-2023, 10:17 AM

I have a 2013 ZL1 with LT's, 850cc injectors, 2.5" pulley, Flex fuel sensor, tuned and running E60 mostly, running NGK BR7EF plugs gapped to 0.030 I think. It made 622 rwhp on the dyno. For months its run great. About two weeks ago the idle got rougher and it stalled after startup once. Seemed fine for another few days until I took it out last night to bed in some new pads. After decelerating from 80 to 0 it stumbled and almost stalled. It still pulls hard and runs fine driving normal but it just does sound right, like the exhaust note is off.

Is this normal BR7 behavior when the weather gets colder? I'm in FL and it's dropped into the 50's and 60's vs 80's to 100 F.

Infidel67 · 12-03-2023, 10:25 AM

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silversleeper · 12-03-2023, 11:05 AM

Quote:

Originally Posted by Infidel67

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tartagliazl1 · 12-03-2023, 11:38 AM

Quote:

Originally Posted by silversleeper

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haha. To the OP. Do you have any codes? maybe a cracked plug. Check your tune file and see if any engine codes are present or maybe your tuner turned off some of the engine diagnostics.

sbelyo · 12-03-2023, 11:58 AM

Quote:

Originally Posted by tartagliazl1

haha. To the OP. Do you have any codes? maybe a cracked plug. Check your tune file and see if any engine codes are present or maybe your tuner turned off some of the engine diagnostics.

Gonna do that now

sbelyo · 12-03-2023, 12:29 PM

1 ECM code P0006D-00 (BARO) Supercharger Inlet Pressure Not Plausible

Skelly · 12-03-2023, 12:42 PM

Quote:

Originally Posted by sbelyo

I have a 2013 ZL1 with LT's, 850cc injectors, 2.5" pulley, Flex fuel sensor, tuned and running E60 mostly, running NGK BR7EF plugs gapped to 0.030 I think. It made 622 rwhp on the dyno. For months its run great. About two weeks ago the idle got rougher and it stalled after startup once. Seemed fine for another few days until I took it out last night to bed in some new pads. After decelerating from 80 to 0 it stumbled and almost stalled. It still pulls hard and runs fine driving normal but it just does sound right, like the exhaust note is off.

Is this normal BR7 behavior when the weather gets colder? I'm in FL and it's dropped into the 50's and 60's vs 80's to 100 F.

This would be a fuel issue, Does it throw any codes at all? If so what ones...
Anything Fuel pressure related?

Sean

tartagliazl1 · 12-03-2023, 12:52 PM

Check your map sensor and also see if the supercharger bypass valve is working correctly.

sbelyo · 12-03-2023, 12:57 PM

looks like this will fix it

https://www.amazon.com/ACDelco-213-4.../dp/B004SEKMRU

We'll find out tomorrow night

sbelyo · 12-03-2023, 12:59 PM

Quote:

Originally Posted by Skelly

This would be a fuel issue, Does it throw any codes at all? If so what ones...
Anything Fuel pressure related?

Sean

1 code P0006D-00 (BARO) Supercharger Inlet Pressure Not Plausible

No fuel related issues. I'm going to replace this sensor 213-4681 and see what happens

sbelyo · 12-03-2023, 01:02 PM

Quote:

Originally Posted by tartagliazl1

Check your map sensor and also see if the supercharger bypass valve is working correctly.

I'm going to replace the sensor. I know the bypass valve was adjusted manually during the tune. Not familiar with the process of checking it to see if it's functioning. It makes about 13.5 lbs of boost at the moment

tartagliazl1 · 12-03-2023, 01:08 PM

[QUOTE=sbelyo;11385167]I'm going to replace the sensor. I know the bypass valve was adjusted manually during the tune. Not familiar with the process of checking it to see if it's functioning. It makes about 13.5 lbs of boost at the moment[/QUOT

Hopefully the sensor fixes your issue.

Skelly · 12-03-2023, 01:24 PM

Quote:

Originally Posted by sbelyo

1 code P0006D-00 (BARO) Supercharger Inlet Pressure Not Plausible

No fuel related issues. I'm going to replace this sensor 213-4681 and see what happens

If your engine was a year or so earlier I would argue the shut off valve is the issue. Ask infidel67 he was the moderator at the beginning of your thread. If there is a fuel error he would know.

bsn · 12-03-2023, 01:31 PM

Since your running a stock fuel pump it would be a good idea to look at your plugs while its down to make sure its not too lean, personally I prefer the TR7ix @ .030 for ethanol.

P.S. there are so many counterfeit parts on Amazon if the sensor doesn't correct your problem-it might be worth trying one from a known parts supplier.

12-03-2023, 10:17 AM	#1
sbelyo Drives: n/a Join Date: Jan 2015 Location: United States Posts: 67	1500 miles on BR7EF plugs, rough idle almost stalled I have a 2013 ZL1 with LT's, 850cc injectors, 2.5" pulley, Flex fuel sensor, tuned and running E60 mostly, running NGK BR7EF plugs gapped to 0.030 I think. It made 622 rwhp on the dyno. For months its run great. About two weeks ago the idle got rougher and it stalled after startup once. Seemed fine for another few days until I took it out last night to bed in some new pads. After decelerating from 80 to 0 it stumbled and almost stalled. It still pulls hard and runs fine driving normal but it just does sound right, like the exhaust note is off. Is this normal BR7 behavior when the weather gets colder? I'm in FL and it's dropped into the 50's and 60's vs 80's to 100 F.

12-03-2023, 10:25 AM	#2
Infidel67 Life's just a Ride Drives: 2011 Synergy Camaro 2SS/RS LS3 Join Date: Oct 2013 Location: Columbia SC Posts: 854 View My Garage	... __________________ 2011 Synergy Camaro 2SS/RS Ls3, LTH, CAI Custom Intake, TSP stage-3 111-LSA Cam, RWHP 503/508

12-03-2023, 12:52 PM	#8
tartagliazl1 Drives: 2013 zl1 vert Join Date: Dec 2018 Location: Rochester, New york Posts: 978	Check your map sensor and also see if the supercharger bypass valve is working correctly. __________________ 22% lower/ 2.5 upper/ 2” headers/ cat delete/ x-pipe/ 2 gallon x tank/ 100-3 pump/ fic 1300/ dsx aux kit/ 103mm throttle body/ RPM 5” intake/ meth kit/ prometh lid injection/FI interchiller/ 160* stat/ ngk-7/ msd wires/ elite catch can/ tsp cam/ Che trunnions/ ported supercharger/ 1/2” lid spacer/ brick mod/BMR toe and trailing arms/ 751hp 757 tq SAE @17.3lb on a loaded dyno.

12-03-2023, 01:08 PM	#12
tartagliazl1 Drives: 2013 zl1 vert Join Date: Dec 2018 Location: Rochester, New york Posts: 978	[QUOTE=sbelyo;11385167]I'm going to replace the sensor. I know the bypass valve was adjusted manually during the tune. Not familiar with the process of checking it to see if it's functioning. It makes about 13.5 lbs of boost at the moment[/QUOT Hopefully the sensor fixes your issue. __________________ 22% lower/ 2.5 upper/ 2” headers/ cat delete/ x-pipe/ 2 gallon x tank/ 100-3 pump/ fic 1300/ dsx aux kit/ 103mm throttle body/ RPM 5” intake/ meth kit/ prometh lid injection/FI interchiller/ 160* stat/ ngk-7/ msd wires/ elite catch can/ tsp cam/ Che trunnions/ ported supercharger/ 1/2” lid spacer/ brick mod/BMR toe and trailing arms/ 751hp 757 tq SAE @17.3lb on a loaded dyno.

12-03-2023, 12:29 PM	#6
sbelyo Drives: n/a Join Date: Jan 2015 Location: United States Posts: 67	1 ECM code P0006D-00 (BARO) Supercharger Inlet Pressure Not Plausible

12-03-2023, 12:57 PM	#9
sbelyo Drives: n/a Join Date: Jan 2015 Location: United States Posts: 67	looks like this will fix it https://www.amazon.com/ACDelco-213-4.../dp/B004SEKMRU We'll find out tomorrow night

12-03-2023, 01:31 PM	#14
bsn Drives: 2013 ZL1 Join Date: Sep 2021 Location: Virginia Posts: 331	Since your running a stock fuel pump it would be a good idea to look at your plugs while its down to make sure its not too lean, personally I prefer the TR7ix @ .030 for ethanol. P.S. there are so many counterfeit parts on Amazon if the sensor doesn't correct your problem-it might be worth trying one from a known parts supplier.