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I changed my oil pump on a 2001 6.9 vortex now I have no oil pressure

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Posted on Jan 02, 2017

  • 245 Answers

SOURCE: engine would not start after shut down check fuse,relay seems to be good change fuel pump and getting power to pump not building up any pressure from fuel bleeder,coil has good spark(blue) when i prim

you either have a clogged filter or a bad fuel pump.

Posted on May 24, 2009

  • 173 Answers

SOURCE: vortex v6 intake gasket ?

HI you could do a oil pressure test whit a gauge or yest replace your oil pressure sending unite if engine is not making tapping sound when pressure reads low it may be a bad pressure the coolant problem may be bad intake gaskets look at 4 corners of intake for sign of coolant if you see it outside its probably getting inside your lifter valley.Hope this helpsb58809b.gif

Posted on Sep 26, 2009

  • 3433 Answers

SOURCE: I have a 2001 Blazer and the oil pressure is low.

Worry about the cam brgs. How low is the pressure?

Posted on Oct 07, 2009

  • 1297 Answers

SOURCE: ve a 2001 F150 that keeps losing oil pressure

could be but have you actually check the oil pressure

The oil pressure gauge on your dash is really just an warning light and you are not really looking at real oil pressure

Therefore you could have an electrical issue, mainly high resistance in the sender circuit that make the gauge read lower than actual

Posted on Apr 03, 2010

  • 40 Answers

SOURCE: oil pressure low light, how do you change the oil

these cars suffer from oil pump problems and sludging of the oil. its probably going to be an engine out job as youll need the sump removed to get to the oil pump and pick up pipe. theres not a lot of room you might be lucky and just raise the engine enough but theres quite a lot to remove from the engine to do the job. hope this helps

Posted on Jul 23, 2010

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When installing new oil pump from parts house is it preset to the crank on a 2006 chevy Silverado 4x4v8 6.0 vortex

The oil pump is driven off the cam gear on the bottom of the dist. The pump just needs to pump and hold the correct oil pressure for the engine. Hope this helps.

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High oil pressure can mean only a few things:
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Sort of depends on how high

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After changing the bottom end of a Chevy 350 vortex how long before the oil pressures up to reach the rocker arms?

Did you prime the oil pump? Pack it with vasoline? Crank the engine without starting it until oil pressure came up?

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I have a 2003 trailblazer with 4.2 engine. Losing power when driving especially when going up hill (even small hill). Will drop down to 15 mph. got a code of p0172. Replaced O2 sensor and the...

Yes , it is more then likely the Catalytic converter is clogged ! Pull the O2 sensor before the Cat an do a back pressure test ! Testing for plugged clogged restricted exhaust converter An your P0172 means you have a rich condition , does not mean O2 sensor is bad ! Do you have 4.3 L vortex ? Could be bad fuel pressure regulator leaking ! caused your cat to have a melt down an starting to plug ! 4.3L or 5.0L vortex engines . with spider injectors ! chevy vortec p0172 p0175 So you have two problems ! Hope this helps !

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I just replaced intake manifold gaskets value cover gaskets and know I have no oil pressure but there is noise in values what could be the problem will not drive it and I'm loosening everything only have...

Sounds like you didn't get the manifold sealed correctly and the engine is sucking air in and not creating any internal suction, or the oil jackets are plugged with stuff, or gasket is covering oil jackets. Or the pump dried out and needs replaced. The valve noise is due to lack of pressure.

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1996 chevy s10 4.3 vortex lifters knocking at start up but goes away after 10 minutes idling. changed oil and filter oil pump reads 58-60psi at idle and seems to be working.

High milage? Try engine cleaner, run for couple hundred miles and then use an additive like Restore. If it's just dirt this may help. Make sure you are using the correct viscosity oil for winter temps. If it's from wear only parts replacement will fix it.

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2 Answers

Low oil pressure

How many miles? Next oil change use Gunk motor flush this will remove any build up. Also check wire going to the oil pump sending unit. You might need a sending unit pod. Any parts store will have this.

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