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V8-5.8L

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Frozen ac pump
If the a/c compressor pulley does not turn and is seized you will need to see if the inside compressor clutch shaft is seized or the compressor pulley bearing is seized. Sometimes the pulley bearing seizes and ruins the front...
Question
Truck stalling 1991 Ford F250
Hi there - I suspect you're correct as to this being a fuel system issue. I would flush the tank, replace the fuel filter, fill with fresh fuel, then cycle the fuel pump before attempting to start the engine. You...
Question
Van won't start it turns I change out fuel pump, coil & got tested on the module
If you are not getting spark from the coil then you will need to test for ignition power on one side of coil and crank signal on the other side. If you have no signal to coil then check the...
Question
I am not getting any power when I turn the key to the on position. there is no dash lights only check engine lite comes on.
The problem of having erratic electrical issues with this year Bronco they have problems with the ignition switch losing contact. You should check and replace the ignition switch. When the switch is removed you should check linkage rod and electrical...
Question
Dies when you step on throttle
The throttle position sensor (TPS) or manifold absolute pressure (MAP) sensor may not be passing the correct signals to the computer in order to give the correct amount of fuel to the engine when you accelerate. You can disconnect the...
Question
All new clutch slipping
Hey Chris. If the clutch is slipping and the components are brand new, it's more likely that it's either not properly adjusted, or the pressure plate is not correctly installed. We have a pretty good article that explains the process...
Question
Check engine light on after storage.
Autozone cannot hook a code reader to any vehicle manufactured before 1996 generally because these are not OBD-II equipped vehicles. An experienced technician like one from YourMechanic however is capable of pulling the check engine light fault codes fro the...
Question
The negative post on battery wont let me connect it. It sparks and smokes unless you disconnect the wire from solenoid going from the battery to the starter.
Hi there. When the battery cable is hooked up and sparks with smoke, the question to ask your self is if the wire is getting hot. If the wire is getting hot, then the starter solenoid has melted the contacts...
Question
Truck loses power in the middle of driving I changed plugs wires rotor n cap about a month later it started stalling n losing 1988 Ford F150
Hi - first ask would be to check for spark when it stalls. If no spark, check out the coil or ignition module. If you have spark, check fuel pump fuses, fuel pump relay, and fuel pressure to the throttle...
Question
Crank no start
From what you are saying the vehicle has spark and has fuel pressure of 35 psi. With out a scanner it can not be determined if you have any codes to a particular sensor but i suspect the MAP sensor...
Question
VERY ROUGH IDLE STALLS WHEN PUT IN GEAR
Hi there. The idle speed of an engine is basically the rotational speed the engine runs on when it is un-coupled from the drive train and the throttle pedal is not being depressed. When an engine is running at idle...
Question
Why does my Transmission pops out of gear
Hello. Popping out of gear is a common problem when it comes to manual transmissions. The most common reason a manual transmission would jump out of gear is due to low or contaminated fluid, worn synchronizers inside the transmission, or...
Question
windshield wiper missing spots
If the missing spots are within the area that is actually swept by the moving wiper blades, that means the spring tension on the arm is inadequate. Sometimes the spring that provides the tension will get rusty and sometimes the...
Question
Water leaking into crank case 1971 Ford Torino
Hi there - wow, what a great restoration opportunity! Water/coolant in the crankcase is never a good sign, possibly a cracked block or cylinder head, or water pipe. I recommend a coolant leak inspection performed by a mobile, professional mechanic,...
Question
Need to know if my clutch is out or if it is a problem with my transmission.
The issue seems to be the clutch. When the clutch is engaged and the vehicle is throttled, a slipping motion is occurring all the time. With the clutch pressure plate being worn will contribute to a slipping clutch. When the...
Question
low idle in gear, stills when accelerating
Hi There, I believe you are correct in that you may have a dirty or faulty idle air control valve causing the motor to want to stall. As you may know, the idle air control valve monitors the air intake...
Question
Truck wont start or run
If the starter motor is turning the engine over rapidly, at sufficient RPM, but the engine does not catch and run, that means that there is an ignition, fuel, air induction, or mechanical fault in the engine that will have...
Question
Testing the frequency of my MAP Sensor, it appears to adjust to pressure, but is not in range.
If you are getting a reading of 89HZ out of the MAP sensor with the key on then this is an indication that you are above 15,000 feet in elevation. This would cause the computer to run your vehicle with...
Question
Gear shifter spring popped off
Hello, thank you for writing in. Inside of the steering column, where the lever actually connects and controls the linkage to the transmission is where that spring should be. There is typically a retaining clip that holds the spring at...
Question
My 95 f150 starts off by running perfectly, idle is good, no hesitation, then the rpms drop to around 500 and struggles to run
Hello. There will be a few things that I suspect could be causing the idle fluctuation. I would suggest that a technician check things such as the mass airflow sensor, ignition module, and the fuel pressure. The symptoms you describe...

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