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2005 Ford Expedition Questions

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115
questions

Has a miss does on #3 cylinder have change cool twice and still gets a code and has a ruff idle and runs bad can any body help

Just replaced plugs and coil packs. The engine is down on power ato times oscillating back and forth from normal power to sudden loss at speeds of 10-60.

error coded P0174 and P0430

Engine Failsafe Mode came on after replacing the Throttle Position Sensor. What is wrong?

If I do I get sparking at post and smoke at alternator

While driving the rpms go up and it accelerates on its own. But once you put it in 2nd gear it wont so it. What can be the problem?

Worked earlier then tried another key and CPU put back how it was now will not read key

Says it's a cam sensor, but it's been replaced and still does it. Any ideas what it could be?

and the oil is just fine. What else can it be and what am I looking at as total cost in repairs?

Looked on line. No help. Auto zone appears to says coolant and cylinder head temp sensor the same & located under the left Manifold intake. Coolant temp not on Thermostats housing or upper rad hose areas nor under the alternator housing left side. I have purchased both coolant and CHT sensors from Advanced Auto. Private shops have declined the task. Code 0116 has come up. Poor gas mileage. Electrical interruptions of gauges and radio etc. when accelerating. 2005 expedition 5.4L tri valve the Eddie 4wd. Help! Am I doomed to go to the Ford Dealership to get the intake manifold removed for a $70 part replaced?

Dreaded P0300 random misfire code end of May. Replaced all w/Ford plugs/coils, system check and code cleared mid June but code came back on last week. Just ran 44k fuel injector cleaner, now told could be mass air flow sensor.

it is much better now. check engine light is off and rides much better now. mechanic told me to wait until it "got bad again" to replace the other two and it didn't hurt to ride for while if needed. I am taking it to Florida this next week. When I'm on cruise and going 65-75, it will get a little miss in going up an incline. I just back off and then accelerate and it goes away. When I run super unleaded is not as noticeable. Is it safe to drive 800 miles and should I wait to replace the last two? When the check engine light does come on, it is always the coil packs.