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I have an smart head 1/2 horse power pump. When I turn on any tap in the house no water only until I switch the pump switch on and off it works. I serviced the pump, changed the bearing, seal and circuit board...same issue. Would the pressure gauge cause this?

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  • Cars & Trucks Master
  • 373 Answers

No, but the pressure switch would. If you can't find it to replace it, it probably would be best to take it in for service.

Posted on Nov 26, 2014

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SOURCE: 1988 Trooper 2.6L 4ZE1 I

It is an electro-magnetic switch valve whereby an oil pressure press is actuated when a desired pressure is attained

Posted on Aug 11, 2008

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SOURCE: 1991 Jaguar XJ6 180K Low oil Pressure and Leaking Power steering

Oil pressure fluctuation is normal in the older XJ's and is nothing to be overly concerned about unless it is frequently dropping below 2 on the oil pressure gauge. As far as the leak in the power steering, it is most likely a bad seal in on of the steering gearboxes. You can get a seal repari kit from numerous different vendors online, however, it is much easier to just replace the entire rack and pinion instead of trying to rebuild the old one. Also, replacing the rack entirely eliminates the possibility of the seals being replaced wrong and also eliminates the possibility of you replacing the seals only to have something else break in the relatively near future.

Posted on Apr 22, 2009

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SOURCE: Oil pressure gauge issue

either gauge is bad or oil pressure sending unit

Posted on May 22, 2009

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SOURCE: 1995 BMW 525I over heating issue. I repaired head

Hi, Sounds like you have tried about everything. Ok the aux. coolant switch is for the electric pump for the heater core will not cause an over heating condition just a longer warm up of the heater core. Has the cooling system been bleed properly if there is a trapped air pocket it will not let coolant circulate. Was the new thermostat installed correctly? They have a vent that needs to be towards the top or they trap air on the back side and cant take an accurate reading to open and close. Other areas to look at would be proper operation of the fan clutch, if they fail they can cause the fan to not lock up properly and supply enough air movement through the radiator. The aux. electric fans and their temp switches do you hear them coming on are they coming on at the right temp.

Posted on Aug 26, 2010

ZJLimited
  • 17970 Answers

SOURCE: FORD F150 4.6 L Engine

Several thnigs to check there; review all informastion disponible to do it and solve this...

P0356
- Ignition Coil F Primary/Secondary Circuit Malfunction
The ignition signal from the Powertrain Control Module (PCM) or Electronic Control Module(ECM) is sent to and amplified by the power transistor. The power transistor turns ON and OFF the ignition coil primary circuit. This ON/OFF operation induces the proper high voltage in the coil secondary circuit.

Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/Loss of Power
- The engine may be harder to start
- Engine hesitation

Possible Causes:
- Open or short in the ignition coil circuit
- Ignition coil circuit shorted to ground
- Ignition coil connector
- Damaged ignition coil
- Damaged PCM or ECM

Possible Solution:
- If damage, repair ignition coil circuit
- Replaced ignition coil
- Replaced PCM or ECM
------------------------------------------------------------------------------------------------------------------------------------------------

P0152 - O2 Sensor Circuit High Voltage (Bank 2 Sensor 1)
The heated oxygen sensor 1 is placed into the exhaust manifold. It detects the amount of oxygen in the exhaust gas compared to the outside air. The heated oxygen sensor 1 has a closed-end tube made of ceramic zirconia. The zirconia generates voltage from approximately 1V in richer conditions to 0V in leaner conditions. The heated oxygen sensor 1 signal is sent to the ECM. The ECM adjusts the injection pulse duration to achieve the ideal air-fuel ratio. The ideal air-fuel ratio occurs near the radical change from 1V to 0V.

Symptoms:
- Engine Light ON (or Service Engine Soon Warning Light)
- High Fuel Consumption
- Excessive Smoke from Exhaust

Possible Causes:
- Harness or connectors (The heated oxygen sensor 1 heater circuit is open or shorted.)
- Front Heater oxygen sensor heater (Bank 2) may be faulty

Possible Solution:
Replacing the O2 Sensor 1 usually takes care of the problem
------------------------------------------------------------------------------------------------------------------------------------------------

P0174 - Fuel Injection System Too Lean Bank 2
With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture ratio can be brought closely to the theoretical mixture ratio based on the mixture ratio feedback signal from the heated oxygen sensors 1. The ECM calculates the necessary compensation to correct the offset between the actual and the theoretical ratios.

In case the amount of the compensation value is extremely large (The actual mixture ratio is too lean.), the ECM judges the condition as the fuel injection system malfunction and light up the MIL (2 trip detection logic).

Symptoms:
- Engine Light ON (or Service Engine Soon Warning Light)
- Excessive Fuel Consumption

Possible Causes:
- Intake air leaks
- Front Heated oxygen sensor may be faulty
- Injectors may be faulty
- Exhaust gas leaks
- Incorrect fuel pressure
- Lack of fuel
- Mass air flow sensor may be faulty
- Incorrect PCV hose connection

Possible Solution:
Dirty air filter of faulty air flow sensor are common causes of the problem.
------------------------------------------------------------------------------------------------------------------------------------------------

P2197 - DODGE - Sys Too Rich at Hier Load Bank1
Means that the O2 sensors on each bank are seeing WAY too much oxygen in the exhaust gas. In normal operation the signal from the O2 sensors should swing back and forth between rich and lean. Your sensors are locked on lean.

Those codes are the same as P0174 (and P0171). Sounds like you have a vacuum leak somewhere. Most common place is the PCV elbow where it connects to the throttle body adapter.
------------------------------------------------------------------------------------------------------------------------------------------------


Hope this helps; keep in touch.

Posted on Dec 30, 2010

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11_25_2011_2_41_35_am.gif


11_25_2011_2_42_53_am.gif


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tecnovative_96.gif
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    e6f342c.jpg

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