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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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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'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


Caterpillar Fault Codes

CID code Name
1 Injector? 1
2 Injector, cylinder number 2
3 Injector number 3
4 Injector number 4
5 Injector, cylinder number 5
6 Injector, cylinder number 6
7 Injector number 7
8 Injector number 8
9 Injector number 9
10 Injector number 10
11 Injector number 11
12 Injector number 12
13 Injector number 13
14 Injector number 14
15 Injector number 15
16 Injector number 16
17 The fuel shut-off valve
18 The fuel control valve
19 Bypass valve accelerator
20 Device change timing of fuel injection
21 Position Sensor Engine
22 Sensor fuel injection advance
23 Drive Racks
24 position sensor rail
27 is a variable geometry turbocharger number 1
28 Drive with variable geometry turbocharger number 2
41 Power ECU (electronic control unit) 8 V DC
42 Valve inclusion nozzles
70 contact with the parking sensor
71 Timer stop idling
75 Oil temperature sensor circuit hydraulic steering system
The pressure sensor 81 at the inlet trap foreign particles
82 Pressure Sensor pnevmozapuska
84 speed sensor
91 Accelerator pedal position sensor
94 Pressure Sensor fuel pumping
95 The differential pressure sensor on the fuel filter
96 Fuel level sensor
98 Oil level sensor in the engine
99 The differential pressure sensor on the engine oil filter
100 Oil Pressure Switch Engine
101 pressure sensor crankcase gases
102 turbo pressure sensor
104 Oil pressure turbocharger
105 temperature sensor intake manifold
106 sensor input air pressure
Pressure sensor 109 of coolant downstream of the engine
110 Coolant Temperature Sensor Engine
111 level sensor, engine coolant
The differential pressure sensor 112 to filter engine coolant
124 gearbox oil level
126 differential pressure sensor on the oil filter transmission
127 Oil Pressure Switch gearbox
138 Mode Switch low traction
139 Solenoid tip ago
140 Solenoid tip forward
141 Eco Mode Switch
142 position sensor door to clean the radiator
143 contact pressure sensor control unit neutral
144 horn relay reverse
145 power supply circuit 12
146 Mode Switch hitch
147 pressure sensor lock-up clutch
148 pressure sensor in the hydraulic stroke
149 Three-way solenoid stabilization system of the implement when driving
150 Speed Sensor trambovatelya
151 Solenoid trambovatelya
152 diagnostic lamp control systems course
153 speed sensor right drive motor
154 RPM Sensor left actuator motor
155 solenoid switching stroke
156 Solenoid right turn in reverse (electronic display)
157 Solenoid left turn in reverse (electronic display)
158 Solenoid right turn forward direction (electronic display)
159 Solenoid left turn forward direction (electronic display)
160 Relay working equipment paver
161 brake sensor (chassis) pedal
162 Sensor Steering Wheel
The steering angle sensor 163 rotation
164 Pressure Sensor inclusion nozzles
167 Sensor charging voltage of the alternator
168 Electric system
171 of the ambient air temperature sensor
172 temperature sensor in the intake manifold
174 Fuel temperature sensor
175 Temperature Sensor Engine oil
177 oil temperature sensor Gearbox
190 RPM Sensor engine crankshaft
191 sensor output speed gearbox
248 data channel of Caterpillar
249 data channel J1922 SAE (Society of Automotive Engineers)
250 data channel J1708 / J1587 SAE (Society of Automotive Engineers)
Block 252 calibration
253 Personal chip control unit
254 electronic control unit
256 Map adjusting engine performance
257 Level detonation
258 sensor crank angle
259 set via software point fuel injection
260 oxygen sensor in the exhaust gas
261 the fuel injection timing calibration
262 circuit sensor supply 5 V
The power circuit 263 digital sensors (8 or 12)
264 pedal revolutions reduction
265 Input circuit stopping the engine, user-defined
266 Input circuit dry scroll engine (without fuel injection)
267 Chain input remote control signal Safe Stop engine
268 Error programmed parameter
269 circuit sensor supply
Code 270 cable computerized monitoring system (CMS)
271 Sound the alarm
272 sensor has exceeded the allowable turbo
273 pressure sensor at the outlet of the turbocharger
274 atmospheric pressure sensor
275 pressure sensor at the entrance of the right turbocharger
Pressure transducer 276 at the input of the left turbocharger
277 sensor calibration injection timing
278 The indicator light turn on the automatic control of engine speed (AESC)
279 coolant temperature in the intercooler front section
280 temperature sensor gear
281 The indicator light necessary Engine
282 Light indicator exceeding the permissible engine speed
283 Indicator Light air filter
284 Radio on EMS (electronic control system) (the signal of the engine)
285 overheating indicator light, engine coolant
286 Indicator light low oil pressure
287 Miniature digital output? 7
288 Miniature digital output? 8
289 Fuel pressure - before the fuel filter
290 pressure sensor in the pump drive engine cooling fan
The solenoid 291 engine cooling fan
292 solenoid hydraulic oil cooling fan
293 power analog output? 3
294 power analog output? 4
The control unit 295 hydraulic excavator heavy-duty
296 gearbox control unit
297 all-wheel drive system control
298 The probe brake pedal
299 position sensor gear lever
300 The primary windings of ignition coils
301 The primary winding of the ignition coil? 1
302 The primary winding of the ignition coil? 2
303 The primary winding of the ignition coil? 3
304 The primary winding of the ignition coil? 4
305 The primary winding of the ignition coil? 5
306 The primary winding of the ignition coil? 6
307 The primary winding of the ignition coil? 7
308 The primary winding of the ignition coil? 8
309 The primary winding of the ignition coil? 9
310 The primary winding of the ignition coil? 10
311 The primary winding of the ignition coil? 11
312 The primary winding of the ignition coil? 12
313 The primary winding of the ignition coil? 13
314 The primary winding of the ignition coil? 14
315 The primary winding of the ignition coil? 15
316 The primary winding of the ignition coil? 16
317 load cell
318 Right knock sensor
319 Left knock sensor
320 RPM Sensor / injection timing
321 Key switch reset / diagnostic confirmation
322 engine stop switch
323 The indicator light engine stop
324 Alarm lamp
325 detonation caused by the ignition system
Detonation System 326
327 Wrong number of knock sensors
328 Wrong number of cylinders of the engine
329 Error Link
330 Login with contact sensor propane content
331 Ignition Switch
332 keyboard switch
333 switch alarm
334 Reserve output
335 solenoid screw scraper
336 switch engine control
337 Remote Switch emergency stop
338 Relay pre-lube pump motor
339 contact pressure transducer pre-lube the engine
340 solenoid shut-off air
The solenoid 341? 4 warm-hydraulic distributor
342 Auxiliary speed sensor engine crankshaft
343 injector NOx catalyst in the exhaust gas
344 Relay injection pump converter of nitrogen oxides in exhaust gases
Pressure sensor 345 of the injection NOx catalyst in the exhaust gas
346 Relay stabilization system of the implement when driving
347 solenoid feed control (working volume) motor hydrostatic transmission
348 lock switch gearbox
Solenoid 349 gearbox synchronization
350 position sensor rod lift
351 position sensor rod misalignment
352 Sensor lift lever (in the cockpit)
353 sensor lever skew (in the cockpit)
The solenoid 354? 1 lift
The solenoid 355? 1 lowering
The solenoid 356? 1 unloading
357 Solenoid No. 1 return
358 Drive pressurization of the control loop hydraulic system work equipment
359 solenoid locking lifting
360 solenoid lock lowering
The electromagnet 361 tilt lock to download
362 solenoid control the fan speed of the engine
363 Drive stabilization system of the implement when driving
364 pressure sensor piston cavity lift cylinder
365 switch for limiter
366 contact gauge semiautomatic recess
367 Switch stabilization system of the implement when driving
368 switch, automatic / manual mode transmission
369 Login with shift indicator on the gearbox
370 Solenoid floating position arrows
Solenoid 371 beep
372 solenoid opening bucket (for excavator shovel)
373 solenoid closing bucket trucks through the hinged bottom (for excavator shovel)
374 Solenoid swing brake
375 Solenoid swing brake
376 Warning stroke
377-way solenoid brake
378 solenoid automatic lubrication system of the machine
379 Pressure Sensor automatic machine lubrication
380 contact pressure transducer modulation shift gearbox
381 Contact neutral position sensor lift lever (in the cockpit)
382 lever position sensor coupling
383 position sensor coupling
384 shifter
385 contact sensor neutral position tilt (in the cockpit)
386 solenoid lifting hitch
387 Solenoid lowering hitch
388 Contact line solenoid coupling
389 The probe neutral auxiliary lever
The solenoid 390 controlling the flow of hydraulic oil through the forward clutch
The solenoid 391 controlling the flow of hydraulic oil through the reversing
392 solenoid oil supply
The solenoid 393 to drive the front wheels
The solenoid 394 controlling the flow of oil through the drive motor
395 solenoid switch actuator pressure of the front wheel
396 Light on lamp-wheel drive (AWD)
397 contact pressure transducer feed pump
398 pressure sensor in the front wheel drive
399 sensor to the control lever-wheel drive (AWD)
400 The secondary windings of ignition coils

More Fault Codes HERE Caterpillar DTC

on Dec 20, 2016 | 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


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


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 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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