Check engine worse case?
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Senior User
Joined: Jan 2013
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From: near Montreal, Canada
Check engine worse case?
Solid yellow engine light. Sounds and drives fine. Is it always emissions or can it be something bad?
I was going to leave sunday for a 2 month trip pulling the RV. Now stuck waiting for wednesday for dealership.
I was going to leave sunday for a 2 month trip pulling the RV. Now stuck waiting for wednesday for dealership.
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From: Isanti, MN
Worst case without any driveability symptoms? More than likely emissions. I guess it's possible to have an issue with the cam phasers or sensors, but I find that unlikely if it's running fine.
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From: Isanti, MN
It's not the transmission.
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Brittany
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others have chimed in on worst case....
best case is based on my experience with my light coming on and staying on....2 tanks of gas with lucas fuel system deep clean resolved it.
I'm sure if I would have taken it to ford and had them replace all the sensors in the fuel and exhaust system that would have worked also.
best case is based on my experience with my light coming on and staying on....2 tanks of gas with lucas fuel system deep clean resolved it.
I'm sure if I would have taken it to ford and had them replace all the sensors in the fuel and exhaust system that would have worked also.
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Senior User
Joined: Jan 2013
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From: near Montreal, Canada
I encourage you to work with your dealer, Fastfwd, they're in the best position to diagnose this concern. Do you have an appointment for this upcoming Wednesday? Fill me in with some details via private message including full name, VIN, updated mileage, best daytime contact number, and dealership information. I'll look into this further.
Brittany
Brittany
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Joined: May 2014
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From: Southern California
Transmission faults have never set the CEL on Ford trucks as far back as I can remember. Early Super Duties would flash the "O/D Off" light if there was a transmission fault. Later models would flash the "Tow/Haul Mode" light. The OP's 2011 would illuminate a wrench symbol for a transmission fault.
It's not the transmission.
It's not the transmission.
Well my bad on that. Thanks Tom for clarifying. I have seen scores of transmission codes that did set the CEL in the past and working as a Smog Tech in California we have even replaced a transmission on a VW to allow it to pass the smog inspection but I didn't realize Ford trucks didn't set them.
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Super Moderator
Joined: Aug 2003
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From: Isanti, MN
others have chimed in on worst case.... best case is based on my experience with my light coming on and staying on....2 tanks of gas with lucas fuel system deep clean resolved it. I'm sure if I would have taken it to ford and had them replace all the sensors in the fuel and exhaust system that would have worked also.
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