4 times today while trying to start my truck i had NO oil pressure. once i even checked it with the Interceptor and that read 1. the last time i had to kill it 3 times before it would read any oil pressure. i also did one WOT and it read 98 on the Interceptor.....Help
Either your sending unit has crapped out or your oil pump is heading south... Let's just hope it's the sending unit...
2000 ECSB 6.0L
TORQUER V2 CAM ● COMP 918's ● 7.4 HARDENED PUSHRODS ● K&N SERIES 77 CAI ● 80mm BBK ●PACESETTER LT HEADERS AND 3'' ORY ● SUPER 40 FLOW ● 3000 STALL ● 4.10s ● BUILT 80e ● VORTEC PERFORMANCE TUNE ● MSD 8.5mm PLUG WIRES● ELEC. CUTOUT ● UD & ALT PULLEYS ● FLEX-A-LITE E-FANS ● 22" CENTERLINE STINGRAY III's ● LUND FIBERGLASS TONNEAU ● 2" LEVELING SHACKLES ● 12K HID LOWS & FOGS ● LEDs ● DEBADGED ● WHITE-FACED ESCALADE GAUGES ● KICKER 450.1 ● 2-CVR 10's ● DS60's ● K693's
Does it sound any different? If the engine sounds normal then the sending unit has gone bad.
2006 Superior Blue Trailblazer SS AWD, Stock as a rock
Sold: 2002 GMC Sportside Denali front end with a 2002 LS1, FLT level 5, Yank 2600, Trick Turbo, T76, Nelson intercooler, 60LB injectors, Warbro fuel pump, Eaton locker, Magnaflow, 3.42, Nelson Performance Tuning (speed density).
Sold: 1981 GMC LB RC 1500 2002 4.8L 4L60E 12 bolt 3.73 Richmond Lock Right AC PS Nelson Performance tuning
sounds the same.Originally Posted by GMCwantsLS1
The sending unit is behind the intake. It will be easier to do if you take off the intake first.
2006 Superior Blue Trailblazer SS AWD, Stock as a rock
Sold: 2002 GMC Sportside Denali front end with a 2002 LS1, FLT level 5, Yank 2600, Trick Turbo, T76, Nelson intercooler, 60LB injectors, Warbro fuel pump, Eaton locker, Magnaflow, 3.42, Nelson Performance Tuning (speed density).
Sold: 1981 GMC LB RC 1500 2002 4.8L 4L60E 12 bolt 3.73 Richmond Lock Right AC PS Nelson Performance tuning
will i need new gaskets? if so that's going to take some time. what about a bad sensor? it sucks not having a dealership over here so i could get my shit fixed under warranty.
no need for new gaskets they are reusable
2006 silverado SS....Clifford Jr...turbo coming soon
1970 Chevelle ly6 swap....d1 coming soon
alright...just went out and tried it again. it's about 45 outside, said "low oil pressure" for about 2 secs and then it was fine. cold start idle @ about 750 RPMs and oil pressure was reading 40-43 on the interceptor. oil level is fine. do you think a sensor could be going bad? wouldn't the Interceptor DTC function pick up on that?
I don't think the sending unit can set off a DTC.
If it is acting funny, replace it.
Gone, but not forgotten!
I had one on my old truck with the 305 at idle it would show 0 oil pressure. Replaced it and it went back to 45 at idle. It won't throw a code that I know of. The Interceptor, gauge, and the PCM all read oil pressure off of the same sending unit.
2006 Superior Blue Trailblazer SS AWD, Stock as a rock
Sold: 2002 GMC Sportside Denali front end with a 2002 LS1, FLT level 5, Yank 2600, Trick Turbo, T76, Nelson intercooler, 60LB injectors, Warbro fuel pump, Eaton locker, Magnaflow, 3.42, Nelson Performance Tuning (speed density).
Sold: 1981 GMC LB RC 1500 2002 4.8L 4L60E 12 bolt 3.73 Richmond Lock Right AC PS Nelson Performance tuning
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