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HP 935 Starts & runs roughly at low idle for approx 15 secs then shuts down. Confirmed that compressor intake is fully shut OK.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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

  • 82 Answers

SOURCE: 1989 honda prelude enigne idles high then low irratic

I had the same problem on a Rover. There was a leak in inlet manifold that was caussing the problem.
To verify, spray some sealant to temporarily seal the inlet manifold .and the eratic idling should disappear for some time.
If it does, you know there is leak in inlet manifold which you can take of and refit with a new gasket.

Posted on Oct 27, 2008

hdpanama
  • 65 Answers

SOURCE: Craftsman 6hp / 60gal air compressor

Make sure your pressure switch is set correctly. Check your pressure gauge and make sure it is functioning correctly. Also,seems sometimes if there is any time when there isn't the adequate amount of power demand supplied the motor heats up more causing the thermal protection switches to act a little finicky which in turn shuts it down.Check how many amps the motor is rated compared to the breaker controlling the circuit. Is it a dedicated circuit only for the compressor or are there other things also drawing power from the circuit ?

Posted on Nov 17, 2008

  • 1383 Answers

SOURCE: Compressor builds pressure, but does not shut off

Hitachi builds a very nice compressor, however suffers from the same problem that all brands will eventually encounter. Failure of the pressure switch. The pressure switch is a very hard working component of the unit. Depending on use, the pressure switch may cycle from as little as two or three cycles a day to as many as dozens per hour. The pressure switch has springs, contacts and unloader features that eventually wear out. The two most common failures are the contacts and the rubber diaphragm that acts against the springs to shut the unit down. Sometimes the screws securing the base of the switch the inlet port come loose and cause the problem that you are having. (The rubber diaphragm is between the base inlet port and the switch) Simple test is to spray soapy water around base of switch to check for leaks. Replace the switch as necessary with a SquareD brand available at www.grainger.com instead of factory unit to save money and increase life. You may have to make simple modifications however the money saved will be worth it. Choose a pressure switch with cut-off range between 120-139 psi. The higher the cutout switch setting you choose the shorter lifespan for your compressor. Your compressor works harder and gets hotter when achieving higher pressures. Try to use either no extension or shortest cord possible to max life of unit and compressor oil instead of motor oil to prevent carbon deposits. Good luck and email if you have questions about your Hitachi.

Posted on Feb 11, 2009

jyackle5
  • 8197 Answers

SOURCE: Shuts lamp dwons as if over heated. Lamp 4200 hours.

You need to reset the lamp hours. Here is the manual to tell you how to reset.

http://www.projectorcentral.com/pdf/projector_manual_2606.pdf

Good Luck and please Rate. FixYa!

Posted on Mar 12, 2009

  • 1 Answer

SOURCE: Motor shuts off as soon as I start to accelerate.

Might be a fault in the side stand sensor, you cant go far with the side stand out, or if the sensor has not sensed the stand is up.

Posted on Mar 18, 2009

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I have a 2000 ford explorer sport 4.0L OHV, in the mornings when first started it runs real rough until it goes through its cycle of runing rough then it cleats up and runs ok. Then when u park it after...


Here are the most common causes of idle surge, rough idle esp when cold, other symptoms include stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake

Jul 09, 2017 | Cars & Trucks

1 Answer

2002 toyota solara idles low and shuts off, engine was just replaced


Try this

Engine stalling and rough run issue at low speeds

This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake while the engine is running, use up about 1/2 the can, engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, restart and blow out the remaining fluid, shut it down and disconnect the negative battery cable for 5 Min's to reset the base idle control

Jul 03, 2012 | 2002 Toyota Camry Solara

1 Answer

Truck starts but will not stay running


Try doing this service.

Engine stalling and rough run issue at low speeds

This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake while the engine is running, use up about 1/2 the can, engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, restart and blow out the remaining fluid, shut it down and disconnect the negative battery cable for 5 Min's to reset the base idle control



Jun 23, 2012 | 1995 Nissan Pickup

1 Answer

Truck shuts down when it goes to idle


Hi.

Check idle air control system. The system comprises a valve that allow extra air into the engine when the engine is idle. If the valve is stuck, if there is a problem with IAC wiring or solenoid or if the vacuum hose connected to the IAC has a leak you get engine running rough and turning off when idle.

Check air intake and sensor (MAF and AIT). Replace air filter. Air intake problems may result in rich mixture and in engine turning off.

Check EGR and PCV valves. These parts may cause rough idle. When the problem is EGR or PCV you usually get troubles also when driving.

Dec 15, 2011 | 1999 GMC Sonoma

1 Answer

I have a Hayward Power-Flo LX SP1515-Z2-EBK3 that is being used to pump water through 2-4x8 solar water heater panels. The pump intake is 1 1/2 inch, discharge out is also 1 1/2 inch. The pump is located...


I have a 3/4 hp hayward pumping thru solar panels, too. 1-1/2 discharge thru 50 ft of 2inch pipe, up 12 ft then thru (4) 4x12 panels. Mine is on 115 volts ac.
You have plenty of pump and when you run a pump with low flow, amperage is low. You are not tripping your breakers, it sounds like the pump is overheating. Is it hot to the touch when it shuts down?
Do you have an ammeter so you could check your amps?
What size wire is running the 60 ft to the pump?

I don't have any other ideas to share.

Gary

Sep 06, 2011 | Hayward Power Flo Lx

1 Answer

Replaced starting components (relay was burned out). Compressor starts and runs ok but only for about 15 seconds then cycles off by the t-stat. Starts again in about 45 seconds and shuts down again. ...


Ok so in this case the most likely reason the relay burnt out is because the compressor is tight and having problems starting so it burnt relay. Need to determine what LRA (locked rotor amps) is by looking on data plate on compressor and see if amp draw is at or very near the LRA spec. if it is the compressor is bad

Aug 12, 2011 | Delfield Refrigerators

2 Answers

1994 Toyota pickup 22re 4cyl has intermitent low, rough idle. Sometimes idles normally. I have also noticed that when AC is on and compressor is engaged the engine idle is normal but when the compressor...


You might have a bad coil. Under a load the coil might preform well, but under no load, its weak causing a misfire...thus giving you a rough idle. I have had this problem on a few vehicle. Check plugs, wires, and distributor. Mike.

Sep 18, 2009 | 1994 Toyota Pickup

1 Answer

My 2003 ford focus SE shuts off when i come to a complete stop. It does not have a rough idle and it does not do it everytime.


Here are the most common causes of surges, stalls at stops, low erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake

Apr 06, 2009 | 2000 Cadillac DeVille

2 Answers

Car will start fine but will shut off as soon as I place in gear.


Here are the most common causes of surges, stalls at stops, low erratic idle speed, rough idle and engine hesitation, it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Mar 30, 2009 | 1991 Chevrolet Cavalier

1 Answer

Starts but stalls when put in gear


Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Mar 03, 2009 | 1999 Chevrolet Silverado 1500

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