Popular questions

Question
Catalytic converter turning bright red
You have two valve cover gaskets, one for each bank of cylinders. They should both be replaced at the same time. The left bank(front) is much easier and there are less parts to remove. The right bank(rear) is more involved...
Question
P0507 code. Idle throttle position at 12%
Hi There, As you may know, after cleaning the throttle body your car needs to go through a "re-learning" process to bring the idle back down. Try doing the following which should bring the idle back down to a normal...
Question
Brakes lock up during driving, if the car is stopped fast
Hello. If the vehicle has anti-lock brakes, then it should not lock up like this. This will only occur if there is a sensor problem with the vehicle. I would start by installing a scan tool that can read the...
Question
Take off
If the rate of acceleration is greater than commanded (aka, "unintended acceleration"), you might have a problem in the electronic throttle control, throttle position sensor, idle air control, or related systems. You might take a look at the OBD-II system...
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My car was starting hard, I had to pump the gas. Now it won't start at all
The computer should be scanned for codes and the fuel pressure checked. The problem sounds like the fuel pump in the tank stopped pumping and may need to be replaced. Have a mechanic like one from YourMechanic come and diagnose...
Question
My Nissan b15 drive good on flat road but not uphill, it goes uphill in reverse only. Why it can't go uphill in drive gear.
I'm not sure if you are saying the transmission is slipping when in drive, or that the engine isn't making enough power. One way of checking this is by checking for severe exhaust restriction. That will allow the engine to...
Question
Slight engine vibrations
Hello. If the engine is running a little rough after all of this work was done it can be something as small as a vacuum leak or it can be caused by a valve seat that was not installed correctly....
Question
2006 suzuki florenza drjving fine one second to the next it starts idling rough shuts down at stop, next shuts off while idling
Hi There, It sounds like you may have a dirty or failing idle air control valve causing your engine idle to fluctuate and eventually stall. The idle air control valve is a small valve on the engine's intake system that...
Question
Seat Ibiza 2013: Do they have any transmission frequent issues I should worry about?
Hi there: In general, the SEAT Ibiza is a fairly reliable vehicle. Although we don't see a lot of them here in the United States, some of my overseas Spanish friends tell me that they are pretty efficient, however, it...
Question
Car shuts off after idling for 15min
Hi there: The fact you noticed milky oil is an instant indicator that you've got a major mechanical issue where coolant or water is entering oil galleys. Even if the engine doesn't overheat, you still might have a crack in...
Question
where is the crank position sensor located we can't locate it
The crankshaft position sensor is almost always located very near or right behind the crankshaft pulley. This is due to the fact that the crank pulley is the only place outside of the engine that is connected to the crankshaft...
Question
Leak around the crankshaft seals
Hello. This is a simple yet involved fix. The crankshaft seal is located behind the crank and timing belt cover. In order to complete this repair, it is necessary to remove the timing belt and timing belt cover, in order...
Question
Have a 1990 bronco xlt 5.8 switched transmission from a 1995 c6 tranny the transmission gears timing is off wat can i do
Have a transmission mechanic check the transmission to see if it is an internal problem or just the governor needs replaced. You may just have the kick down linkage adjusted wrong and needs a simple reset of linkage. This can...
Question
It takes two or three tries to start the car.
Hi, thanks for writing in. I recommend testing the fuel pressure and monitoring the pressure after the key is turned off to see if the pressure drops to zero. If it does, then the system will need to be tested...
Question
Knocking sound in the engine
A knocking sound in the engine generally means that the bearings in the engine are worn. When the bearings are worn, this allows the parts of the engine to have excess movement, causing the knocking noise. I would ask for...
Question
Tow start an auto trans fwd ?
Hi there. In short - no, you can't "bump start" and automatic transmission powered vehicle. This only works with a clutch, manual transmission - as the clutch and engage the flywheel and ignition system slowly and progressively. By "dumping" the...
Question
Can I switch from Synthec oil back to conventional oil?
When you go to have your oil changed next time you can change to conventional oil without any problems. You can have a mobile mechanic like one from YourMechanic come to your location and the oil change for you. The...
Question
Tailights and dash lights stopped working
Hi, check the fuse box and make sure that the fuse hasn't blown. If the fuse is okay, the switch may need to be replaced or there is a connection issue with the circuit. Over time corrosion can build up...
Question
When do I need a transmission oil change?
The industry rule of thumb is to replace transmission fluid every 40,000 miles. Some vehicles call for it to be changed sooner, some later. The recommended service intervals should be listed in your vehicle's owners manual, available with a call...
Question
What would cause a loud noise from the rear of my 2004 Ford Focus
Hello. The noise sounds like a brake problem. You will get the higher pitched noise from the brake pad sensor hitting and the deeper noise would occur if one of the brake pads are metal to metal. It can also...
Question
What causes Actuator Solenoid Malfunction
Hello. It would depend on what actuator solenoid you are talking about. If you are talking about a shift solenoid, mounted on the transmission, then it may be possible that it was damaged when you made contact. If the contact...
Question
Tachometer and temp guage
Hello. Thanks for writing in about your 1994 Mazda 626. The fuse that powers the gauges are the meter fuse 15 amp. It is located in the joint box. If this doesn't fix the issue, consider YourMechanic, as one of...
Question
grinding noise (not squealing) when brake
If the issue did not exist prior to the work being done, then the cause of the unusual noise is due to the pads and/or the interaction between the pads and the particular finish that was left on the rotor....
Question
2002 Jeep Cherokee temperature gauge shot up to 260 and it was leaking a greenish liquid what does that mean is it a crack or hole
Yes it does mean you have coolant leaking from somewhere. You will need to have the system pressure tested to locate the leak and then a repair can be done. I would also recommend replacing the thermostat with the needed...