
2008 Ford F-550 Super Duty XL 6.4L Poor Idle Quality
Truck has trouble starting, it starts and idles very low around 400rpm for about 4 seconds, then it idles up to normal idle speed 650 rpm, it does that every start up, there is no other running concerns, it will run has good power and idle fine till key ge...
FIX posted 5/31/2019
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Message Closed w/FIX
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VIN | 1FDAF56R88 |
Engine | 6.4 L / 8 cyl / DIESEL |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Always |
Trouble Codes
P1725 | Input Shaft Speed Sensor Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
2008 Ford F-550 Super Duty XL
VIN | 1FDAF56R88 |
Engine | 6.4 L / 8 cyl / DIESEL |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Always |
Trouble Codes
P1725 | Input Shaft Speed Sensor Circuit Malfunction |