Check Engine Light
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Check Engine Light
99 Ford, F250 Super Duty, v10, 4x4, 40,500 miles.
Have experienced at least 8 or 10 service engine soon lights and each code that was detected stated EGR flow restrictions. Replaced EGR and performance plus gas mileage improved. However,after a recent trip to Colorado, the light is back on again with same code. Only modification to vehicle has been the installation of a K&N filter system.
Prior to the replacement of the first EGR valve, after light came on, gas mileage dropped drasticaly. However, this time no drop in gas mileage but performance seems on the down side when climbing.
Any recommendations to solve problem.
Have experienced at least 8 or 10 service engine soon lights and each code that was detected stated EGR flow restrictions. Replaced EGR and performance plus gas mileage improved. However,after a recent trip to Colorado, the light is back on again with same code. Only modification to vehicle has been the installation of a K&N filter system.
Prior to the replacement of the first EGR valve, after light came on, gas mileage dropped drasticaly. However, this time no drop in gas mileage but performance seems on the down side when climbing.
Any recommendations to solve problem.
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Joined: Mar 2001
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Check Engine Light
HELP
My 1993 Ford 450 Super Duty with a 460 engine was found to need EGR valve. I purchased the subject valve through the Auto Zone (retail auto parts) and in reading the replacement instruction, I learned that each EGR valve is calibrated for the specific engine application. The OEM number on the original valve must always be referenced to determine the replacement valve used. Can anyone help me identify the OEM number for this truck? I am seeking this information prior to removing the original valve for fear that the valve I purchased may not match. The replacement valve's packaging identify's the valve as a EGR231; The replacement valve is also stamped with the following number 39199344.
Thomas
My 1993 Ford 450 Super Duty with a 460 engine was found to need EGR valve. I purchased the subject valve through the Auto Zone (retail auto parts) and in reading the replacement instruction, I learned that each EGR valve is calibrated for the specific engine application. The OEM number on the original valve must always be referenced to determine the replacement valve used. Can anyone help me identify the OEM number for this truck? I am seeking this information prior to removing the original valve for fear that the valve I purchased may not match. The replacement valve's packaging identify's the valve as a EGR231; The replacement valve is also stamped with the following number 39199344.
Thomas
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Check Engine Light
I'm not sure if any of this will help, but I'll toss some ideas out there anyway. This is based on having a check engine light on my '97 F350. The code was EGR flow problem (can't remember exact wording). It happened immediately after changing plugs and wires, so I was sure I caused it. Problem was I just couldn't figure out what I had done. Anyway, after talking to mechanics and surfing the web, EGR problems aren't necessarily the valve. There could be blockage within the head caused by carbon and such. There is a way to check the EGR valve with a vacuum unit. Another source of EGR problems is the solenoid, and possibly a bad/cracked/disconnected vacuum line somewhere. The only way to be sure of this part is to trace each wire and hose. One is probably green-from the valve, and one is probably pink-from the solenoid if I remember correctly. It turned out the hose was bad on one of the main vacuum containers on my truck. Again, there are ways to check the EGR system but it isn't exactly trivial. I advise tracing all the wires and hoses first. Good luck!
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Joined: Apr 2001
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Check Engine Light
Hello< I am a master certified tech, in reference to your EGR problem:
Most problems occur with this system when the port on the intake side of the valve gets plugged with carbon. Remove the valve and check the port, if it has carbon in it you will need to clean it out. The carbon is usually gummy in nature. Removing it on the late models is done by removing the upper intake, as for the older units, it depends on the engine.
Make sure you don't let any fall into the intake, I use a shopvac for safety.
The reason this sets a Check Engine Light is because the computer is monitoring EGR flow rates. It can happen to any vehicle and is usually caused by poor fuel quality and alot of city driving. It never hurts to take them out and "Blow the dust out".
Hope this helps, Tim
2001 F250SD 4X4 V10
Most problems occur with this system when the port on the intake side of the valve gets plugged with carbon. Remove the valve and check the port, if it has carbon in it you will need to clean it out. The carbon is usually gummy in nature. Removing it on the late models is done by removing the upper intake, as for the older units, it depends on the engine.
Make sure you don't let any fall into the intake, I use a shopvac for safety.
The reason this sets a Check Engine Light is because the computer is monitoring EGR flow rates. It can happen to any vehicle and is usually caused by poor fuel quality and alot of city driving. It never hurts to take them out and "Blow the dust out".
Hope this helps, Tim
2001 F250SD 4X4 V10
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rcknrbn
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