Ford F-150 Questions

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have replace all spark plugs and coils.problem started after power washing.have check all coils at idle by unplugging connection to coil one at a time all make engine run rough when unpluged
Code: cylinder misfires at random, why? 1.) Fuel filter has been changed. 2.) New Spark Plugs (properly gaged) and new wires. 3.) New air filter, oil filter and oil change. 4.) Replaced both ignition coils. ...
I took my truck to local dealer it was acting weird. They said that the battery and battery cable the positive one needed replacing the estimate was almost 800 dollars is this even close to being correct
It has 100000 miles, 5.4L triton v-8 I've changed plugs, pressure regulator, filter,crank sensor, camshaft sensor, egr, tps, throttle body cleaned,changed fuel pump, mass airflow sensor fine, injectors fine, idle air ...
drains the battery. while parked or will die after several miles especially at night when you run the headlights
I replaced the wheel hub bearings and 4wd actuator and it still is grinding and it starts about 25 mph have no idea need some help
fuel sys1 closed loop, load-pct 34.5, ect 188.8 f , shrtft #1 -3.1 -0.0, longtft#1-3.1, #2 4.7 #2 18.0 , map 5.5 ,rpm 650 , spadv 8.5 -13.5 ,iat 68 f ,maf 0.01 ,tp 13.7 , o2b1s1 0.075 -0.785 ,o2b1s2 0.045 ,o2b2s2 0...
When I pull off the other wires, they all make a difference.
I have changed the fuel filter, plugs and wires, and spark plugs. The #7 misfires.
When the AC is turned on, my 2010 F150 blows hot air into driver side compartment but cold air into the passenger side compartment. The Driver's side air is really hot. The first time it happened, I stopped and turne...
heater pipe is broke off in engine block. what and how do i remove to get to the heater pipe? is this a common problem. i took off top of engine to try to get to this hole where the pipe end is stuck and still cant ge...
Occasionally the engine will miss or hesitate suddenly. It will also shudder or die completely upon deceleration to a near stop. It'll start back up immediately.
I had to rethread one of my sparkplug holes due to It being stripped so I was rethreading it and i had went to far down and the bit came off the extension I had it on due to a deep hole,so now the bit isnt to be seen,...
Was low on gas started engine and it started to shake badly, put gas in and it continued. Now engine light is on...
Brake lights, blinkers and reverse lights all work fine. We have tested all the fuses and they are also good. What else should I be looking for>
Please tell me where backup light switch is located on 1984 ford f-150 pickup or send a diagram.
Had rear brakes adjusted stopped normally for a few days and problem started again. Mechanic told me to buy new drums, brakes shoes, wheel clylinders and brake hose. Had these items installed and a few days later prob...
What kind of gaskets will I need. I had Network Automotive charge me $600 to replace spark plugs and Ignition coil. Still had engine light. Horne Ford replace auto-light plugs with Ford plugs and charged me $500 then ...
I changed the sensor on the rear end didn't help,Is it a big to change the speed sensor in the transmission?
speedometer doesn't work overdrive light blinks wont get out of low gear,changed the sensor on the rear end still doesn't shift,
hoses get hot to coil and get temporary heat then cools while moving