Question about Ford F-150
Clean the mass air flow sensor inside with a non-chlronated brake cleaner and replace the air filter then clear the codes in the computer and see if they come back.
Posted on Oct 30, 2012
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Posted on Jan 02, 2017
SOURCE: codes p2106
I think you'll find it's a problem with your throttle you might need to talk to you local ford dealer but don't get talked into getting bit's replaced! I've been tld that you can put a recommended cleaner into your fuel tank and this can sometimes cure the problem - worth a go................
Posted on Jun 26, 2010
SOURCE: i have a 2004 ford
this could be your switch problem, or a relay problem. you need to link out the supply yo the side lights from your switch, if they work it is your switch gone. if they do not work you need to look in your handbook to see where the sidelight relay is and do the same there link it out direct if the lights work your relay is faulty and needs replacing. hope this helps.
Posted on Apr 27, 2009
check fuel pressure regulator.+ vacuum lines going to it look see if gas in vacuum line.if so regulator rupture.
Posted on May 03, 2009
I had the same problem. Turns out,( and I didn't believe it when I was told) but, my problem turned out to be cheap (inferiour) plugs and wired. I was reccomended to use NKG plugs and Borg-Warner wires.
Posted on Jul 12, 2009
The code description for Diagnostic Trouble Code (DTC) P0138 is "Oxygen Sensor Bank 1 Sensor 2 shorted to voltage" The oxygen sensor (O2S) voltage should always be between 0 and 1 volt. This code sets when the O2S voltage is greater than 1.2 volts for at least 30 seconds.
The code description for code P0117 is "Engine Coolant Temperature Sensor (ECT)Voltage Low". The ECT is a thermal variable resistor. The Powertrain Control Module (PCM) sends a 5 volt reference to the ECT and measures how much of this voltage returns to the PCM to determine engine temperature. This code sets when the ECT voltage signal is less than 1 volt.
Here's the kicker...which came first, P0117 or P0138? Low ECT voltage can cause the engine to run extremely rich and cause the O2S voltage to go high. This needs to be looked at with a scanner that can display the actual ECT and O2S voltages so they can be compared.
I would say that with the symptoms you are describing along with these codes, there is a GOOD chance that you have some kind of wiring harness damage or water in a connector that is shorting these two circuits together. This would definitely RAISE the voltage on the O2S circuit that is supposed to be low, and LOWER the ECT voltage that is supposed to be high.
Posted on May 19, 2011
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