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1991

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Question
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
Fuel pressure problem
This may be a sign of a faulty fuel pump or fuel pressure regulator. As you know, when you turn the key to on, the fuel pump is activated and the fuel system is primed with fuel at a specific...
Question
I was driving down the road and car died and will not start it sound like it wants when I check radiator fluid it was empty
Hello, thank you for writing in. You will want to find out why the coolant is empty. However for the moment, you need to treat the stall and no start situation separately from the lack of coolant issue. Chances are...
Question
Won't start after filling gas tank
The most common cause of hard or no start after getting fuel is due to a leaking purge valve leaking vapors into the engine when refueling. This will flood out the engine causing problem. Have the purge valve checked for...
Question
How much to replace all the gaskets in a 91 4runner 2wd v6? I have a oil leak I was told it's the gaskets and seals.
Sent billing question to CS for the price to replace all the gaskets and seals on the engine / transmission power unit.
Question
My truck is overheating and when I turn heat on only cold air comes out?
Hi there. Check for any external coolant leaks. Look at the radiator, heater hoses, radiator hoses, heater core, and the core plugs (freeze plugs) on the engine and see if there is any visible coolant leaks. If there is no...
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
I have a 1991 Ford F250 has all the gears if you shift manually but will not shift down by itself
Hi there. You're right, guessing can be very expensive. However, if I had to make an educated guess about your shift concern, it sounds like either a shift solenoid/solenoids is malfunctioning or there is feedback in the wire harness to...
Question
Engine stalls will restart run 30 sec then stalls again or run for a while
Hi There, It sounds like you may have a fuel pressure problem causing the incorrect fuel pressure to be supplied to the injectors or potentially a dirty or faulty idle air control problem. You may also have dirty or clogged...
Question
How do I replace a passenger side window?
Hello, thank you for writing in. It can be done at home, but may take up half your day. To start you will need to remove all of the weather stripping, regulator, and arm. Install the new window into its...
Question
Issues with clutch cable on a newly installed clutch/flywheel.
Hi there. If the cable was loose before you changed the clutch out and is loose after the clutch was changed out, then the cable is stretched. I recommend replacing the clutch cable and adjusting it to the correct pedal...
Question
what could be wrong if I have spongy pedal and i have replaced master cylinder and bleed brakes multiple times?
There are several factors that can lead to a spongy brake pedal. When there is fluid loss, it could be caused by a faulty caliper, bad wheel cylinder, leaking master cylinder, or even a ruptured line. Things can get a...
Question
I have a 1991 ford f150 that stutters when i press on the gas
Hi there. One of the reasons why YourMechanic.com is different is that we have mobile mechanics that complete inspections to determine what's the cause or source of an issue (like the stumbling problem under acceleration you've described above). The best...
Question
It starts but won't stay running.
Hi There, If the motor will start this means you generally do not have any issues with spark or ignition problems. Typically when a motor struggles to stay running, it is often related to a fuel supply problem. This may...
Question
I have a 1991 Cadillac DeVille running very poorly very bad fuel economy she runs very poorly no power almost almost like it's bac
Hello. From what you are explaining it sounds like you have a fuel system issue. It sounds like you are getting too much fuel. It can be caused by a leaking fuel injector, but most of the time it is...
Question
My car won't start and has a new starter
Hi There, It sounds like you may have a weak battery or potentially a faulty starter relay or ignition switch. The starter relay directs power from the battery to the starter solenoid which then engages the starter when you turn...
Question
ts own to the right
Hello, thank you for writing in. You are not alone in having this issue with a Honda. Although it is rare and rather unexplained, it has happened before. The power steering system is a mechanical system that is uses fluid...
Question
What other transmissions could I put in my truck?
Hi there. You could put in a 350 turbo, 400 turbo, 3L80, Turbo 200-4R, or a 4L60E with a computer conversion kit. Keep in mind, if you change out the transmission with a different transmission, the transfer case may not...
Question
Will it cost me to ask you a question? 1991 VW Jetta
Hi there. Our website provides basic automotive information and possible causes and sources of mechanical problems on cars, trucks and SUV's sold in the United States. The best way for you to get the correct size of power steering belt...
Question
Car making squealing noise like some things being sheared off. 1991 Ford Mustang
Hello - setting up the ring and pinion gears in the differential is a highly specialized task, requiring specialized knowledge and tools. And the parts are not inexpensive, so all the more important to get this right up front. Check...

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