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Posted by miller97tsi, May 6, 2010
Newbie Forum - Beginner/newbie/general DSM modification questions. First mods, how to run 10's when you haven't run 12's yet, any tech question that doesn't fit in another tech forum.
it sounds like you either have a sensor problem or a priming problem. My favorite priming method is pressure (note its freegin hand pump pressure not air compressor 120psi pressure) feeding the oil system before starting it. The oil pressure sensor has 1/8th ntp thread. remove the sensor and use a 1/8th ntp nipple fitting and hand pump oil from a gear oil quart bottle, from the bottle. NOT gear oil!. into the engine with a length of hose till your buddy gets bored or oil comes out from under the rockers (visible through the valve cover oil cap hole). After this is done, fire up the engine but dont rev. if the light doesnt go off within a second or 2. shut down. you likely have a wiring/ sensor issue. sometimes if you use excessive pipe thread sealant the sensor doesn't properly contact the housing and can't carry current (rare but happens). or your wiring / or sensor is bad. Shoot wires with continuity tester.
Remove the Nipple from the back of the Intake Manifold that has a hose running to the intake manifold.
Unscrew the bell shaped Oil Pressure Sensor behind the Oil filter.
Screw that nipple from the Intake Manifold in where the Sensor went.
Grab a Gallon Jug of Oil and a hand pump (found at any parts store)
Connect a rubber hose to the nipple and Pump. You'll pump in quite a bit, but eventually it will start flowing out of the ports in the head. You can then remove the pump hose, remove the nipple, screw back in the oil Pressure Sensor, clean up the nipple and put it back o the intake manifold, secure all connections, and start her up. No wear and tear, and no expensive equipment needed.
;D Have fun!
I've tested the whole 'crank to prime' BS. That is in no way the proper way to prime the engine. You are absolutely correct.
But yes, if you have all of the belts on and whatnot, the easier way to prime is the way that I mentioned above. The other way is to spin the pump with a drill while all the belts are off.
But yeah, hopefully you set the BS bearing. =/
But if you can get oil up to the head with the hand pump method, I would start looking towards a bad sensor or connection to the sensor.
is there anyway that since the guage isnt working ints making the oil light pop on?
There's two accessory belts - one for the power steering pump and the other for the alternator. Try and figure out which one and tension it some more. My guess is the alternator belt.
Does the wire look ok? Have you tried testing the resistance on it to make sure there's nothing wrong with it between the sensor end and the ECU end?
If you are seeing oil flying around the cams with the oil cap off, then you have oil pressure. Keep in mind it should be pretty low at idle. But just to be safe, I would get an aftermarket gauge to verify the pressure.