Popular questions

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Horn not working in car
Horns are a simple circuit to check. Check for power and ground at the horn while an assistant holds the button. If you have both, the horn itself is bad. Newer cars are usually ground side switched. If there is...
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Muffler smoke after doing repairs on the car
Most likely, the work you had done and the smoke are unrelated. Black exhaust smoke indicates a rich air fuel mixture and can be caused by problems like a leaking fuel injector or faulty engine sensor. White exhaust smoke indicates...
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At first my brakes lights went out. Not a fuse or bulb. Than it wouldn't start. We jumped the car and now it surging.
What you have described are possibly all electrical problems but it is not clear if they are interrelated, that is have a common cause. Initially, though, the battery should be load tested and the battery us faulty install a new...
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No heat?
You most likely have low coolant in the system and need to purge the air out of the cooling system. Have the cooling system checked and purged of air then test the heater again.
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Why does my car cut off when I lift my foot off the gas?
If you had a diagnostic test done and they said nothing is wrong, then what did they say about the stalling? I would say to have a qualified mechanic like one from YourMechanic come to you and do a real...
Question
Dead short in the electrical system.
I would ask for help from one of the mechanics at YourMechanic. They will have one of their mechanics come to you with the proper test equipment and knowledge to diagnose a fix the short in your electrical system.
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Low engine compression
Claimed by Jeff Engstrom
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Convertible top doesn't close properly
Hi. The convertible top has to be reset so it is synchronized to all of its upper and lower limits. If this procedure does not work, then the top position switch may need to be replaced or adjusted. I recommend...
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Whats antifeeze better in bmw e61, g11 or g12?
Antifreeze for the vehicle needs to be safe for aluminum radiators or you will have problems of corrosion and metal damage if it is not safe for use in the aluminium radiator cores and heater cores. When you purchase the...
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Car gets stuck in park and won't start SOMETIMES. Hear one click upon starting but starts working after a few times.
The shift interlock and the intermittent starting issue are likely separate issues. However, the brake light issue may be related to the shift interlock problem as the circuitry and components are common. The intermittent starting is relatively easy to diagnose....
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Engine getting no spark
Hi. Is there any power coming from the top of the distributor? The ignition coil itself may not be firing correctly and should be inspected. The coil is controlled by the ECU which does have the possibility of crashing as...
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Engine
If the engine is revving up but the car does not move then you have a transmission slipping problem. If it has a manual transmission then it may be the clutch. Either way it is a transmission problem and will...
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Truck won't start even with new battery.
The antitheft system needs a proper code key in order to turn off the antitheft system. If you have a different key then try that. If this does not work then try to disconnect the battery and reconnect it after...
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My truck is turning over but wont start
From what you've described it sounds like you may have spun a bearing in the crankshaft or a rod bearing. Running an engine without oil is never good so you'll likely need to have the engine checked to verify this....
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problem starting engine
Hello there, thank you for asking about your 2011 BMW X5. This may be a variety of potential issues but most likely related to a fuel delivery problem. Try checking idle air control module which regulates the air flow intake...
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I was installing a after market radio in my 1994 Honda Accord there was a small spark and car won’t start we changed fuel pump
The circumstances you describe suggest a possible blown fuse, fusible link or other electrical fault. Download any OBD-II trouble codes that have been stored and examine those codes for diagnostic clues. Confirm that the engine immobilizer system (security system) is...
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valve tick on driver's side - 1971 Dodge Charger
Hello. This is very normal for nearly every car. When your car's engine is cold and has been sitting for a while, the oil that is brought to the top of the motor when the engine is running will slowly...
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Is this a bad strut mount/strut bearing?
Hi there. Thanks for the video. The angle on the video is a bit misleading, but could be a strut mount that is the source. Another possible source could be a wheel bearing. If you are not hearing any harmonic...
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Difficulty shifting out of park. 2005 Lincoln Zephyr
Hi there. This issue can be caused by a misadjusted brake light safety switch, or a misadjusted (or failing) shiftlock interlock switch. Both of these are safety mechanisms which require the brake pedal to be pressed firmly before moving the...
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I replaced the water pump but all the coolant leaked out - 1996 Chevrolet Cavalier
If there was no leak prior to the water pump replacement, it is possible that the gasket sealing area between the water pump and the engine block has a leak. This is easy to find if you refill the system...
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Car shakes at idle and low speed, shuts off at stops. 1993 Mazda MX-6
Hi there, thanks for writing in about your 1993 Mazda MX-6. It sounds like the idle air control (IAC) motor is gunked up and either needs to be cleaned or replaced. Turning on the AC causes the IAC to change...
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I have a Nissan Almera and it constantly jerks between 1500 and 2000 revs. Already replaced camshaft sensor and plugs. Please help.
Hello. Sudden jerking can be caused by many things. Usually jerking can be caused by misfires or transmission problems. If the engine is jerking at that specific rpm it may be possible that misfires are occurring. If this is the...
Question
1999 Mitsubishi Eclipse running rich
It certainly can. My experience with those Mitsubishis is that they have a lot of problems with the fuel injectors when they get old. First, I would have a mechanic clean the fuel injectors. Sometimes, it’s that simple. Knowing...