Question about 2005 Chevrolet Equinox

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I went in a drive through carwash and now all sorts of sensors are going off. Ex....oil pressure and what not. I am wondering if somehow the wiring harness or other electrical components like the distributor cap getting wet could make this happen

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Hi dampness is always a problem u need to keep the engine running through the wash

Posted on Nov 14, 2009


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017


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I have a 2010 Honda CRV EX and my low oil pressure light came on for a second and went back out. This happened twice a few days ago and once this morning. It has been pretty cold out and I don't always let...

It could be the "oil pressure switch" which on most a small device that screws into the engine somewhere. It also has a wire connected to it that sends the signal to the light or the pressure gauge on the dash. It could be defective.....or just has a bad connection (could have an oil residue on the connector); Google it to find where it is located and see if there is an auto parts dealer who has a replacement sensor switch if you are looking for a possible way to isolate the trouble. Most of them sell for about ten dollars or less.....try O'Reilley Auto Parts to compare prices....Good Luck

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the snow is affecting the sensors on your catalytic converter as well as possibly clogging ice bulges in and around your exhaust ..go to a carwash and try to pressure that off

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Went mudding in my 2000 ford ranger and then i got a carwash. Before the carwash it was all good, but after the carwash it shakes when driving over 40mph. Any ideas?

Is the check engine light on ?
You could have gotten water in the engine wiring harness or around the spark plug wires.
If the check engine light is on there should be trouble codes stored in the computer which would point you in the direction to look.

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these chevs are known for oil pressure switch going bad its located on theback right side of the engine it is replace able without having to remove anything u will need a mechanics mirror to see it

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Oil pressure warning light Audi A6 1800T SE 1999

Check the oil pressure wire attached to the gauge usually in the engine compartment. Dirt can interfere with the signal causing a short which will give you the symptoms you describe. Hope this helps

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Check the sending unit wire for grounding, You may have a bad sender as well. If the problem persists, put a mechanical gauge on it and check actual pressure...that will tell you if you need to go inside the engine to fix it. Usually you will find the problem in the sensor.

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Oil pressure problem

You oil pressure sending unit has gone bad, it's common to go bad and some even leak oil. 
The oil pressure sensor is on the back of the block on the passenger side, you can get to it from the top and not from the bottom. There are (2) switches back there that screw in to the block and you can only see it from the top of the engine. The Oil Pressure Sending Unit is the one wire harness with a green and white strip on it. The other switch has more wires to it. 
When you pick up the new sensor, make sure you get the right one. make sure you get the Oil Pressure Sending Unit which sends variable oil pressure and has only one quick connect for the wire connector. The oil pressure switch is the one that only activates the oil light on older engine
Once you get the right part at Auto Zone for around $9.00, disconnect the wire clip with the green with white strip on it. and use a deep spark plug socket with a extension and u joint to get the sensor out. The sensor comes with teflon tape already and no oil should leak out from the block. It as simple as replacing a bolt and reconnecting the wire connector. 
Good luck and hope this helps, take no more then 10 min to do but about 5 hours for the engine to cool off LOL

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No Oil PSI showing on gaugee But Jeep is running fine?

2004 Jeep Wrangler Problem solved (low oil pressure at idle)

These are the steps to identifying the oil pressure issue

1. Check the oil pressure guage
- this is an easy test to preform by grounding out the single wire from the oil pressure sensor and confirming the gague adjust appropriatley. (With the wire grounded out it should show no oil pressure.) Take the wire off ground should show normal pressure.
2. Change the oil pressure sending usint (15.00$) from the dealer. (cheap way to eliminate a possible sensor issue).
3. Manually hook up an oil pressure gague and check the oil pressure.
Make sure the engine is at operating temperature when checking as it can have a significant impact on the reading.
(I bought a oil pressure guage for 19.00$ online that works perfect. Comes with everything you need to check the OIL pressure at a resonable price.)

Operating pressure should be from 15psi to 60psi. During idle at normal temperature Oil Presure should not be below 15psi.

MY problem: (Oil pressure gugage was droping/ fluctuating at idle) was determined that the oil pump was bad after following the steps above (My readings where 3psi at idle at running temperature. I replaced the oil pump. (only use a Melling Oil pump do not use any other brand I am not a sales person for Melling but is prefered by me and many others that I have spoke with as a soild reliable inexpensive solution 40$-50$). After I changed the oil pump It was determined that Chrysler has installed an alluminium oil pump which had significant wear at only 98,000 miles that had caused it's poor performance. I am not a fan of allumnium oil pumps. How ever it supplied just enough pressure to keep the lifters from clapping so I got luckly and was able to catch the issue before the pump failed leading to bigger problems. After the oil pump was replaced my Oil Pressure is 18psi at idle. If you have to go this far internaly go ahead and spend the extra time to check the Main bearrings for any potential wear issues that could also cause low oil pressure. If you don't want to check all of them at least make sure you check the thrust bearing for any wear as this is a crucial area. All of this can be done by droping the oil pan. (You have to drop the skid plate, exhaust and starter.) It took me and a friend about 5 hours to do everything in the drive way.

This all based off my experience and I am no way an expert. How ever I do not take into consideration lack of maintenace and sludge build up from not properly changing the oil every 3000 to 4000 miles. If you have a sludge issues you should maybe sell or get rid of the vehicle as there could be all sorts of issues from the cam bearing to main bearings to a restricted pick up tube.

Jan 02, 2009 | 2002 Jeep Wrangler

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