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My power steering pressure transducer is faulty and i need to locate a new one or get a part number. It is a three wire unit. Any ideas

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Had to replace the o2 sensor before the cat converter Found it unpluged and mice had chewed up the wires. Put a new sensor in but can't find the molex to plug it back in. Any ideas?


Check with any of the local parts houses (NAPA, Autozone, etc.) and see if they sell replacement pigtail connectors for your vehicle.You'd be surprised how many different ones are available. This assumes you have the wires (usually two or three) there that you can splice a new connector onto. Good luck!

Oct 26, 2017 | Cars & Trucks

1 Answer

Where is oil sending unit located on a 2002 honda odyssee 3.5 vtech located


I have done this on a 2003 Odyssey EX. The oil pressure switch is located on the oil pump assembly, which is behind the passenger side front wheel. There are 2 sensors - the oil pressure switch is the furthest one and least accessable. You need to pull off the connector, which is very tight. I used a pair of pliars with a cloth to twist it off. Be carefull not to damage the connector. There are 2 different switches available for the 2003, each with different tread sizes. I used a regular wrench to remove/install the switch, and it stopped the leak that prompted the repair. Another TIP: watch how long your wrench is, because you can catch the power steering pressure switch wiring harness and break the thin wires, leading to a much more expensive repair.... Next time I will disconnect the power steering pressure switch first and pay more attention. Or buy a shorter wrench.... Good luck!After you remove take to Auto part store and match up with a new one.Adeep well socket may also work.here's another site I found on removing.
  1. Locate the oil pressure sending unit on the engine.
  2. Note the anti-theft code and radio presets for the radio.
  3. Disconnect the negative battery cable.
  4. Disconnect the sending unit electrical harness.
  5. Using a pressure switch socket, deep-well socket or wrench, loosen and remove the sending unit from the engine.
To install:
  1. Apply a liquid thread sealant to the sending unit and install the sending unit in the engine and tighten securely.
  2. Attach the electrical connector to the sending unit.
  3. Check the engine oil level and top off as necessary.
  4. Connect the negative battery cable.
  5. Enter the anti-theft code and radio presets for the radio.
  6. Start the engine, allow it to reach operating temperature and check for leaks.
  7. Check for proper sending unit operation.

Aug 12, 2015 | Honda Cars & Trucks

1 Answer

Good oil pressure while engine is cool after warmed up oil lite comes on at idel


9 times out of 10 this issue is a faulty transducer, they just fail over time. To test, pull the old sending unit (the transducer) and use an external "known good" pressure gauge. If pressure is okay during the warm condition, replace the transducer. Also, verify the correct idle speed.

Mar 18, 2012 | 1997 Chevrolet Cavalier

1 Answer

Why is my oil light on


Possible that the oil pressure switch is faulty as it can be clogged or faulty. If the pressure can be checked and is good then the switch transducer is faulty and needs to be replaced. Check the wiring and see if the connectors are bad , if so the clips can be tightened.

Dec 11, 2011 | 2000 Chrysler Grand Voyager

1 Answer

HOW DO I REPLACE THE HIGH PRESSURE LINE FOR A POWER STEERING UNIT ON A 1998 MUSTANG?


Disconnect battery ground cable.
Remove engine Air Cleaner (ACL) .
Disconnect electrical connector in back of engine cooling fan motor.
Remove radiator fan shroud.
Disconnect constant control relay module harness from headlamp harness and place constant control relay module on top of engine to provide accessibility to power steering lines.
Remove wiring harness guide retaining screws and position guide aside.
Remove screw at power steering hose bracket.
Remove anti-rattle clip.
Remove plastic strap retaining tubes to power rack and pinion steering gear.
Remove power steering pressure hose at power steering pump.
Remove power steering pressure hose at power rack and pinion steering gear.
Remove power steering pressure hose from vehicle.
Reverse procedure to install new hose.
Fill and bleed power steering system.

Aug 20, 2011 | Ford Mustang Cars & Trucks

1 Answer

Fault code 1698 and 0551


0551 -

There is a problem with the power steering pressure switch. The purpose of the switch is to sense the power steering hydraulic pressure in the steering gear assembly and then raise the engine idle rpm as more pressure is needed when you turn the wheels while the vehicle is idling. Your engine idle rpm will be dragged down when you turn the wheels while idling if it is not working properly. There is two wires in the harness to the switch connector, a black ground wire and a blue/green striped signal wire which goes to the engine control module. You should check that connector because it can become either oil soaked or corroded, both conditions of which can cause a faulty connection. Cleaning the connector will most often remedy the problem but the switch itself may be faulty if there is no problem with the connector. The switch is on the back side of the steering gear and can be easily located by looking for the wiring harness which is routed to the steering gear assembly. It is the only electrical device on the steering gear assembly.
p1698- means the pcm is not recieving a bus message from the tcm. The vehicle bus is one wire that runs to each module as there means of communication. This could be a broken wire, bad connection, or possibly a bad module. Unless your pretty sure about what your doing and have some good wiring diagrams you should probably take it to your dealer.

Feb 26, 2011 | 2002 Dodge Neon

1 Answer

Power steering pressure line leaking how do I get it off


FIRST YOU DRAIN POWER STEERING PUMP USING A SIPHON. PLACE DRAIN PAN UNDER VECHICLE WHERE POWER STEERING PUMP LOCATION WOULD BE.THE DRAIN PAN WILL CATCH FLUID AS YOU REMOVE POWER STEERING LINE.YOU NEED FLARE IN LINE WRENCHES AND A NEW POWER STEERING PRESSURE LINE AND NEW O - RINGS. IF NEW PRESSURE LINE DONT HAVE NEW O- RING THE DEALERSHIP WILL HAVE IT.

Nov 17, 2010 | 2004 Pontiac Grand Prix

1 Answer

The oil pressure on my dodge ram 1500 keeps dropping and won't go back up, the engine light is on the mechanic i took it too said it was the water pump got a completely brand new one didnt work changed...


Yes. Remove the pressure transducer and screw in a "known good" external pressure gauge.

If you have correct pressure, the transducer (sender) may be faulty, check all wiring connections very well. If you find one connection terribly loose, fix it and retest before attaching an external gauge.

So, what if no oil pressure. Well, the only way to find that is surgery. Be aware that oiling systems have a pressure bleed off. This spring loaded pop off valve will open at set pressure. The effect is that you have WAY more volume of oil available, but typically lots of oil exits at the pressure valve. This valve is subject to particulate matter, that may keep it from closing.

Did the valves get noisy? If so, oil starved. Do not run engine any more, commence surgery.

If, on the other hand, the valves did not get noisy, that indicates oil WAS getting through...so possibly a sensor (sender, transducer, all the same function).

My suggestion is to NOT PARTS replace. Find the issue, and resolve that.

Aug 15, 2010 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

Oil pressure gauge keeps fluxuating. Think it is the sensor. Want to know where the sensor is located on my 1994 lincoln continental


The oil sending unit is located below the power steering pump. 
You can get to it by removing the alternator, then the three bolts around the power steering pump bracket. Remove the small pulley on the bracket and pull back on the power steering bracket. Look behind bracket and you will see the oil sending unit. 

Disconnect the wire from the oil sending unit. Use a deep socket (1 1/16) to remove unit. 

While you have unit remove, I would go ahead and use an oil pressure gauge to test the oil pump pressure. 

Good luck and hope this helps

May 02, 2009 | Ford Lincoln Continental Cars & Trucks

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