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No pressure runs fine but no pressure

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Have a 2005 f150 4.6 that stalls can it be the fuel pump is weak


Could be a fuel pressure regulator not working. Thus ecu complaining about fuel Pressure. probably not enough because the regulator is worn and leaking down so will not maintain the proper pressure. You will need to google the make model and fuel pressure regulator to find it's location or library and repair manual. Otherwise, you need to measure the pressure and find the spec for the required fuel pressure. Probably somewhere around 120PSI

Feb 28, 2015 | 2005 Ford F-150

1 Answer

Grand am 3 4


Sounds like a faulty fuel pressure regulator, or possibly the MAF sensor.

Mar 28, 2014 | 2004 Pontiac Grand Am

1 Answer

Air Compressor trips breaker under load. If I remove the belt the motor runs fine, spins freely as does the compressor pump. With the tank pressure empty, the compressor starts and runs fine. When it...


Most people recommend replacing the motor capacitor in this situation, since a faulty cap will reduce the starting torque. But in my case the check valve was the culprit - there was too much back pressure on the head.

Oct 22, 2013 | Campbell Hausfeld VT6290 2.0 HP 20 Gallon...

1 Answer

Oil pressure light comes on and says that the oil pressure has dropped. but the truck is running fine


You could change the oil pressure sending unit to see if it is faulty, or have the oil pressure checked with a mechanical gauge.

Aug 23, 2012 | 1999 Dodge Durango

1 Answer

Honda pressure washer, no pressure


sounds like you have a stuck pressure release valve inside the pump

Jun 23, 2012 | Garden

1 Answer

Car ships replaced wires plugs o2 sencer sometimes acts like it is flooding run fine on open road.


If it acts like it is flooding while idling, but it runs fine on the road, it could be running too rich and flooding it out due to leaking injectors, bad fuel pressure regulator, or excessive fuel pressure.

I would start by replacing the Fuel Pressure Regulator since it doesn't cost as much as the injectors.
Check your fuel pressure using a Fuel Pressure Check Gauge to see if the fuel pressure regulator is maintaining the proper pressure.

Vacuum is attached to the Fuel Pressure Regulator to control system pressure. When the fuel pressure regulator is not functioning properly it causes the fuel pressure to be above normal operating pressure. This condition causes excess fuel to be injected causing a rich mixture that produces black smoke.

Feb 16, 2011 | 1990 Subaru Legacy

1 Answer

Pressure washer worked fine and suddenly no


If you remove the tip, will it work? If so, unloader valve is sticking and needs to be removed and lubed with lithium grease.

Jun 29, 2010 | Honda 2500 PSI Gas Pressure Washer

1 Answer

My pressure washer starts fine but after you run


HAVE GX390 RUNS ON LOW IDEL THAN DIES ON HIGH NEW GAS

Feb 20, 2010 | Honda Pressure Washer PSI 3000

1 Answer

Motor runs fine but not pressure other that from garden hose.


you have a unloader or bypass valve on the machine & it sounds like that is sticking.
take out and lubricate

Jun 17, 2009 | RTO 1800 PSI Pressure Washer

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