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V8-5.4L

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I have a 97 4wd expedition when being drive it shudders&wont go over 20 mph I've changed the trans&4wd but still does the same thi
It is possible that you could be having an issue with your axle or with your engine. I would recommend having your vehicle inspected by a qualified professional to determine the exact cause of this issue before spending any more...
Question
Changed thermostat, got engine wet, won't start
I would recommend trying to blow off the engine bay as much as possible with some compressed air near the electrical connectors to try to push out any fluid that may have gotten inside. At the very least you could...
Question
My 2001 Ford f250 super duty 5.7L Triton V8 as I'm driving it acts like it ran out of gas
You may be right that there is a problem in the wiring, but I'm going to guess that you have an open ground wire. The wiring harness will have several locations where a wire comes out of the harness and...
Question
Bad egr causing lean in o2 sensor
Any vacuum leak, including the leak in the EGR valve control system that you described, could cause the P0153 code. If the two codes do not recur, you should still check the output of the oxygen sensor for correct waveform...
Question
So that ground issue would cause it to keep burning computers and if the mechanic wasn't compitant he wouldn't think to fix the sh
High resistance grounds or "poor connections" are different than a dead short. To know whether or not a specific short circuit, in wiring or a device, could potentially damage the PCM, it is necessary to know exactly where in the...
Question
Lights
It is possible that the bulbs could be out. It is also possible that a wiring issue could be at fault. I would recommend having your vehicle inspected by a qualified professional to determine the exact cause of this issue....
Question
1998 ford truck doesnt go over 40 miles everything works fine
Loss of power on acceleration can be due to plugged fuel injectors, faulty oxygen sensors, fuel pump and/or filter, vacuum leaks including that caused by a faulty EGR system, ignition system malfunctions, bad valve timing if the timing belt or...
Question
It has been sitting for 3 years. Is it worth trying to get it started. If so what problems should I look for first?
The first thing to do is to drain all the gas and put in fresh fuel. You may have a bad fuel pump if it has seized from sitting in old fuel. Other than this you may need to have...
Question
Piston rings
For optimal ring seating, the cylinder should be honed. I understand you can see the old cross hatch but the honing also ensures that any glaze on the cylinder wall is broken. That glaze prevents the new rings from sealing....
Question
get a clunk wheb i accel from complete stop.
You may have problems in the driveline or rear end or transmission and should have the problem checked by a mechanic like one from YourMechanic before problem gets worse.
Question
02 Expedition engine light on. How long do I need to drive it after resetting light to have emissions inspection done
You may need to drive it for up to 100 miles in different driving conditions to get the monitors to pass. You can have the system tested to see if they all pass before getting inspected as long as they...
Question
i have a 2005 ford f150 i washed my truck yesterday and about 15 minutes my truck just stopped working 2 codes cameup p2106 p0720
P0720 implicates the output speed sensor circuit. P2106 may have set as a consequence of the first code. Based on the codes, a suspicion is water intrusion in any of the wiring or terminals related to the speed sensor. That...
Question
Duel exhaust on 98 f150 shakes when idling . Every so often get a fuel smell in cab
The engine is not running well and combustion is not complete hence the fuel odor. However, fuel odors can also be caused by leaks and so that possibility should be considered, too. Rough operation could be due to a bad...
Question
When shifting it bogs down then rpm shoots up and bogs down again before returning to normal.
Is the engine "new" or "re-built"? If it is a used engine, check engine compression. Loss of power on acceleration can be due to plugged fuel injectors, faulty oxygen sensors, fuel pump and/or filter, vacuum leaks including that caused by...
Question
Heated seat on driver side will not heat. Passenger side works fine. 02 Expedition
Hi Claire. Thanks for contacting us today. Yeah, it's likely that you have a blown fuse or electrical relay that is causing the driver side seat heat and cigarette lighter to malfunction. I do not believe they have the same...
Question
Advtrac came on and abs light how does this affect my car
The AdvanceTrac warning light means that service is needed on your vehicle's AdvanceTrac system. AdvanceTrac is an electronic stability control or "traction control" system and while the warning is displayed that safety feature may be unavailable, or may malfunction, in...
Question
What would make my camshaft positioning sensor keep messing up on my 2007 Ford F-150 fx4 with a 5.4 liter. I replaced it twice
The sensor itself can and should be tested prior to condemning it. In addition to a functioning sensor, the circuit back to the PCM must be intact and not have any loose connections, corrosion or high resistances. It is not...
Question
My car has white smoke coming from up under the hood and leaking at the bottom. When I looked under the hood it looked as somethin
This could be an antifreeze leak, although if leaking oil is hitting a hot engine part you would see smoke as well. If you desire, a certified Mechanic, dispatched by YourMechanic right to your location, can perform a complete leak...
Question
98 Ford Expedition, the Catalyst monitor and evap monitor is on before a smog test can be done. How to get 1 of these off?
The monitors may take up to 200 miles to get them to pass since it takes special conditions to get them to pass. You can have a mechanic run the monitor test before taking to inspection stations to get checked...
Question
Wont turn over at all. 97 expidition
If the PATS light is on continuously, there could be a bad ground to the cluster, a faulty LED driver, or a PATS malfunction. If you had been driving the car with the light on all the time, and it...

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