Low Oil Pressure at idle, oil light comes on too

[wickedchargerrt]

Originally Posted by danaM

I did forget to mention that I had the dealership fix a rattle in the dash. Well, it is not really fixed but it is not as annoying as it use to be.

No leaks and the level is fine.

I pulled the codes and this is what I have:

P 0520:
Engine Oil Pressure Sensor Circuit.

B 1668
Reverse Lane Control Circuit High

Maybe it is the switch after all.

D a n a

Ya those are both circuit codes. I cant see how someone jacked up that sensor based on its location but maybe they did. Maybe they got happy putting the filter on. that code is pretty simple diagnostics. its either the three wires going to the sensor from the pcm, the pcm , or the sensor.

the 1668 is a circuit failure on your reverse light circuit. You got some wiring issues you need to get handled.

Originally Posted by Crow

Damn it wicked, my oil pressure never hits 30 psi at idle (at normal operating temps).

Either my pump is jacked or... are you sure about that 30 psi at idle??

I'm sort of worried.

I've never seen less than 30, come to think of it i've never seen less than 40. I start the car and it ramps up to low 40's and runs as high as 60ish on the highway. (cant remember highway as much as thats a rarity for my car).

More opinions? Anyone else running lower than 30 at idle (cold/hot)?

[Crow]

Yeah, cold start it's >30 @ idle, but once at op temp and @ idle < 30. Runs around 14 ~ 18 psi while sitting at a stop light.

[wickedchargerrt]

I'll check mine again in the morning but i dont think i've ever seen less than 40. ????

[wickedchargerrt]

checked today
cold 29 degrees. 39 psi at start up
up to 58 during accel
42ish stop lights


lunch time 60 degrees
42 idle
45 stop lights
same on accel

[danaM]

The problem was the sensor. As far as b 1668, did not have one of the tinted tails plugged in all the way. Idle is great now.

thx!
D a n a

[TopBanana107]

Originally Posted by danaM

The problem was the sensor. As far as b 1668, did not have one of the tinted tails plugged in all the way. Idle is great now.

thx!
D a n a

[redroadandtrack]

Hey guys, I have been using Royal Purple and am experiencing this same problem. Taking it to the dealership this weekend to see what they tell me.

My oil pressure once the car turns on is at 13-19 at idle. Then once it warms up it idles in the 10's and gradually drops to 0. on the highway it stays around 20. This started yesterday which I changed my oil to Mobil 1 5W20 and still getting the same problem.

I will also check the codes it's throwing tonight to see what it says.

STAY AWAY FROM ROYAL PURPLE!!

Dana or anyone that has had this problem or experience with this before, is the sender senser cheap or can it be found at discount or anything so i can rule that out before going to the dealer?

My car is a 2007 Dodge Charger R/T 5.7 with 55,900 miles.

Thanks in advance.

[fizzer]

Originally Posted by wickedchargerrt

checked today
cold 29 degrees. 39 psi at start up
up to 58 during accel
42ish stop lights


lunch time 60 degrees
42 idle
45 stop lights
same on accel

I changed the oil yesterday (M1 and Fram ultra). Always used M1 but usually with Mobil filter. I admit I dont usually check oil pressures but new kind of filter made me wonder. So I was gettin 50-52 psi at 2000 rpm and 18 -20 psi at idle. This with an oil temp of up to 212F (checked at idle). I was a little worried by these figures but some of the posts on this thread have reassured me that my (beautiful, rev happy) motor isnt going to explode/seize.
I havent looked what it was at the oil temps quoted but at 60F the oil is still getting warmed up, still, doesn't seem to be enough of a change in psi, i.e. "42 at idle, 45 at stop lights, same on accel". Unless the motor idles at 1500 rpm?

[fizzer]

Originally Posted by fizzer

I changed the oil yesterday (M1 and Fram ultra). Always used M1 but usually with Mobil filter. I admit I dont usually check oil pressures but new kind of filter made me wonder. So I was gettin 50-52 psi at 2000 rpm and 18 -20 psi at idle. This with an oil temp of up to 212F (checked at idle). I was a little worried by these figures but some of the posts on this thread have reassured me that my (beautiful, rev happy) motor isnt going to explode/seize.
I havent looked what it was at the oil temps quoted but at 60F the oil is still getting warmed up, still, doesn't seem to be enough of a change in psi, i.e. "42 at idle, 45 at stop lights, same on accel". Unless the motor idles at 1500 rpm?

Holy thread resurrection!! Sorry fellas, just saw the date of previous post.