Low oil pressure again - Page 2 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Risingson05 · 09-13-2021, 09:58 PM

Idk if the l99 has it but I remember in trucks it did around our years but the oil pressure sensor has a cone filter under it and that has caused some problems with oil pressure ..

I could be wrong , but in my personal experience when where I had a bad oil pressure sensor the gauge would fluctuate crazy like it lost its mind ..

Risingson05 · 09-13-2021, 10:02 PM

They look like these

Risingson05 · 09-13-2021, 10:05 PM

Just searched for it and I think the l99 does have it .
https://www.camaro5.com/forums/showt...=455366&page=2

Sorry for the multiple post

morepowerjoe · 09-13-2021, 10:47 PM

Quote:

Originally Posted by Batmanntexas

I have used the galley plug at the front drivers side of the block, and yes, it will give a direct reading of pressure from the pump. I'd check it at both places, personally, so you have a clear picture of what exactly is what and where.

I used a cheap mechanical gauge from AutoZone/Advance/etc., and drilled and tapped an old oil galley plug to accept the 1/8"-NPT mechanical gauge fitting. If you go that route, it will fit in both locations FYI.

Thanks a lot for the info!

morepowerjoe · 09-13-2021, 10:50 PM

Quote:

Originally Posted by Risingson05

Just searched for it and I think the l99 does have it .
https://www.camaro5.com/forums/showt...=455366&page=2

Sorry for the multiple post

Thanks.

morepowerjoe · 09-14-2021, 04:17 PM

Does anyone know if the barbell in the back of the block could cause lose of oil pressure?

1JEWLDSSRS · 09-14-2021, 04:41 PM

Just maybe another thing to check, check your oil filter. I have seen some come apart and stop the oil and pressure from flowing cleanly thru it, causing pressure fluctuations.. Maybe

G8One2 · 09-14-2021, 05:39 PM

Theres a filter screen under the oil pressure sensor. It can get dirty, though it shouldnt. I've seen them with a sludge build up on them, which can cause a lower pressure reading.

G8One2 · 09-14-2021, 05:40 PM

There's also a pressure relief valve in the oil pan that can get stuck open.

G8One2 · 09-14-2021, 05:43 PM

Quote:

Originally Posted by morepowerjoe

Does anyone know if the barbell in the back of the block could cause lose of oil pressure?

It's not really a wear item, so it shouldn't cause any issues. Only if it were removed and reinstalled and not replaced, or the o-ring tore during installation. If it were in there and no on had touched it prior, then it's not likely going to be an issue.

morepowerjoe · 09-14-2021, 06:50 PM

Quote:

Originally Posted by G8One2

It's not really a wear item, so it shouldn't cause any issues. Only if it were removed and reinstalled and not replaced, or the o-ring tore during installation. If it were in there and no on had touched it prior, then it's not likely going to be an issue.

Thank you sir. I actually plugged the pressure relief valve in the pan when I did the last oil pump. And I've had my engine apart several times now and it still looks brand new inside, no sludge at all.

morepowerjoe · 09-14-2021, 06:58 PM

Quote:

Originally Posted by morepowerjoe

Thank you sir. I actually plugged the pressure relief valve in the pan when I did the last oil pump. And I've had my engine apart several times now and it still looks brand new inside, no sludge at all.

Quote:

Originally Posted by 1JEWLDSSRS

Just maybe another thing to check, check your oil filter. I have seen some come apart and stop the oil and pressure from flowing cleanly thru it, causing pressure fluctuations.. Maybe

Thanks buddy but I changed my oil after it started.

1JEWLDSSRS · 09-14-2021, 08:35 PM

Quote:

Originally Posted by morepowerjoe

Thanks buddy but I changed my oil after it started.

Very good, just had to throw it out there, had seen it happen.. Good luck...

Greenhornet2 · 09-15-2021, 07:49 AM

Verify actual oil pressure with a manual gauge. I don't know where to tap in on these cars as I haven't had to do it yet, but that would be the next step.

09-13-2021, 10:02 PM	#16
Risingson05 Drives: 2015 zl1 m6 Join Date: Jan 2020 Location: Alaska Posts: 702	They look like these Attached Images

09-14-2021, 04:17 PM	#20
morepowerjoe Drives: 2012 Chevrolet Camaro l99 Join Date: Aug 2020 Location: Austin, TX Posts: 2,105	Does anyone know if the barbell in the back of the block could cause lose of oil pressure? __________________ DSS FX Forged Pistons, Eagle ESP L19 Forged Rods, ARP Head and Main Studs, TSP PRC 260 CNC Ported Heads milled .030, Cometic .040 Head Gaskets, GPI SS3 VVT Camshaft, GM Performance Racing Lifters, CHE Trunnions , Molly Pushrods, Melling 10355HV Oil Pump, Cold Air Inductions CAI, Fast LSXR Intake Manifold, Nick Williams 103 TB, TSP 1 7/8" Longtubes with 3" TSP Exhaust, ZL1 Fuel Pump, Mishimoto Radiator, Mishimoto Oil Cooler, Tru Cool 40k Tranny Cooler, 3600 Circle D Converter, Fluid Dynamics Balancer Build Thread https://www.camaro5.com/forums/showthread.php?t=609817

09-14-2021, 04:41 PM	#21
1JEWLDSSRS Drives: 2011 SS-RS Join Date: May 2011 Location: FLORIDA Posts: 11,435	Just maybe another thing to check, check your oil filter. I have seen some come apart and stop the oil and pressure from flowing cleanly thru it, causing pressure fluctuations.. Maybe __________________ TSP STAGE 3 CAM,231/246 @112 LSA 614/641 LIFT, CIRCLE D 5C-4200-4500 CONVERTER,LOD INTAKE.CORSA EXHAUST. DSS 1 PC DS. PEGASUS SOLID CRADLE MOUNTS. 486RWHP/475RWTQ.LOTS MORE.

09-15-2021, 07:49 AM	#28
Greenhornet2 Drives: 2011 Camaro 2SS LS3 Whipple Join Date: May 2019 Location: Connecticut Posts: 1,925	Verify actual oil pressure with a manual gauge. I don't know where to tap in on these cars as I haven't had to do it yet, but that would be the next step. __________________ Whipple 2.9 CAI ID1050x injectors ZL1 Pump JRE FPCM JMS Voltage booster JRE Rough Idle blower cam BTR .660 springs CHE trunnion kit 1 7/8 Speed Engineering Borla Atak JRE scoop 1.5" lowering springs BMR trailing arms and toe links Cradle inserts 704WHP 603WTQ 93 octane

09-13-2021, 09:58 PM	#15
Risingson05 Drives: 2015 zl1 m6 Join Date: Jan 2020 Location: Alaska Posts: 702	Idk if the l99 has it but I remember in trucks it did around our years but the oil pressure sensor has a cone filter under it and that has caused some problems with oil pressure .. I could be wrong , but in my personal experience when where I had a bad oil pressure sensor the gauge would fluctuate crazy like it lost its mind ..

09-13-2021, 10:05 PM	#17
Risingson05 Drives: 2015 zl1 m6 Join Date: Jan 2020 Location: Alaska Posts: 702	Just searched for it and I think the l99 does have it . https://www.camaro5.com/forums/showt...=455366&page=2 Sorry for the multiple post

09-14-2021, 05:39 PM	#22
G8One2 Drives: 2014 Camaro 2SS Join Date: Feb 2015 Location: Metro Detroit Posts: 492	Theres a filter screen under the oil pressure sensor. It can get dirty, though it shouldnt. I've seen them with a sludge build up on them, which can cause a lower pressure reading.

09-14-2021, 05:40 PM	#23
G8One2 Drives: 2014 Camaro 2SS Join Date: Feb 2015 Location: Metro Detroit Posts: 492	There's also a pressure relief valve in the oil pan that can get stuck open.