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V8-5.8L

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1988 f150 5.8L EFI idles but shutters and dies
Hi Hunter. Thanks for contacting us tonight. Typically when fuel flow is good and the engine stumbles, it's due to either a problem mixing the right ratio of fuel to air or the ignitions inability to correctly burn that fuel...
Question
I have a 95 f250 with a5.8 it will turn off or stall going down the road let sit for a few mins it will start back up sometimes
Hi Matt. Thanks for contacting us today. Diagnosing a problem like you have described can be very difficult, especially when a mechanic is unable to replicate the symptoms. There are a few general component failures that can cause these symptoms,...
Question
Motor stalls or dies as soon as transmission put in D or R.
The problem is internal issue with the clutch bands or the valve body is leaking fluid to forward and reverse at the same time. You will need to have transmission overhauled.
Question
1995 f150 shaking during idle and shaking and jumping during acceleration
If the vehicle only starts to shake when getting above 35 then you may have transmission clutch or torque converter problems. Try to turn off overdrive and see if shudder goes away when driving and if it does then problem...
Question
Loosing power. Engine won't crank
Hi There, If you have a good battery and starter, the clicking is likely from the battery not getting enough power to the starter motor. This is caused by the battery cables not making good contact to the battery or...
Question
Have 1995 ford f150 v8 runs really bad replaced the fuel pump and the pressure gage idols fine when giving it gas it back fires an
Hi there. In general, a lean engine mixture or condensation inside the ignition system will cause the type of symptoms you are describing. It would probably be a good idea to have a professional mechanic complete a backfiring inspection to...
Question
96 econoline 5.8 had starrter replaced and immediately no longer starting when warm
It is a coincidence. Obviously the component that is causing the problem is heat sensitive. That circumstance means that anything from a crankshaft position sensor to the ignition coil, and quite a few other components "in between", could be at...
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Question
Without major modifications to fuel, computer, ignition and wiring you would not be able to swap out from the gas engine to the diesel 7.3 L Diesel engine. There are also engine mounts and transmission differences. You may be able...
Question
Shift Linkage is shifting but transmission is not engaging?
Hi there. On these older Ford manual transmissions, there is a series of internal springs and levers that operates the linkage internally. It's likely that those springs or other internal damage inside the transmission is the source of your problem....
Question
i cant find hydraulic lifter replacements on your quoting. is it an option?
If you pulled out one or more of your push rods you may have had a lifter pulled out of its hole and it would of fell onto the top of the engine block under the intake manifold. You will...
Question
Rv cranks but will not turn over to stay on
You should check to see if you have an injector pulse? If you do then check for fuel pressure at the engine and it should be about 35 to 45 psi. If both are okay then you should check the...
Question
I have a 1995 5.8 liter econoline van that is not maintaining fuel pressure on the fuel rail.l
Hello, thank you for writing in. One aspect to consider is that you may have a fuel line blockage. You can also install an in-line gauge before the fuel filter to test what the pressure is up to that point....
Question
I have a 1981 ford f250 it stalles when I let off the gas and it has a new fuel pump and filter
If the EGR valve is stuck open with carbon deposits it may stall the engine at idle. You will have to remove it to check to see if it is being held open. If not held open then check for...
Question
Low oil pressure, trouble staying started, oil leaking
Hi Jordan. When you have a rear main seal leak, it's very difficult to repair without removing the engine. Low oil pressure is typically caused by low oil levels, but also a failing oil pump. However, it usually does not...
Question
96 F150 cranks, but wont start. Lack of fuel has been confirmed, but i still need to diagnose the correct part. How do i do that?
If you have confirmed that no power is reaching the pump once the car is running, such a fault can only be diagnosed by tracing the supply circuit (might have to be done, too, while "independently" powering the pump to...
Question
Rv cranks, fuel pumping thru, getting a spark, but won't turn over. Could it be the timing?
It is possible that the timing could be an issue. It is also very possible that the engine suffered a loss of compression. If this is the case, an overhaul is likely necessary in order to resolve this issue. An...
Question
What would make an exhaust valve bright white
Hi Scott. The general rule of thumb on valves is that white is an indication of extreme heat (or a lean fuel mixture) and black is a sign of a rich mixture (or excessive carbon deposits). However, there are several...
Question
My f150 xlt has a loud noise coming from under the truck when i drive the faster i go the louder it gets it feels like its gonna f
There may be many causes for noises and cannot tell what it is just by the description you are giving. I would suggest you do not drive the vehicle until having a mechanic like one from YourMechanic comes to you...
Question
I have a 1986 Ford F150 LAriat. I have replaced the fuel pump 3 times in 2 months, keeps blowing. Why would that be happening?
Replace the fuel pump relay in the engine compartment after new pump is installed and check pump connector for any hot spots and replace connector. The reason pump keeps going bad is going to be bad connection or relay overheating....

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