Popular questions

Question
when should the serpentine belt be changed
The drive belts on your vehicle should be replaced every 120,000 miles. However, you should regularly perform a visual inspection of the belts obviously looking for unusual wear, damage, or defects. In addition, if any noises from the pulleys or...
Question
clear/replace EGR valve
Hello, thank you for writing in. For exact specifications on tools needed and a step by step procedure, you will need to access a service manual for the vehicle. Typically you would expect to use a 12 mm socket or...
Question
Do I have to reset the ECU after re-plugging the sensor cables?
Hello, thanks for writing in. I'd be happy to help. In most cases you should not have to reset the computer if you disconnect the harness. Some vehicles require a throttle position relearn, but usually only if the battery is...
Question
screw edge of sidewall
Hi there. The general policy on repairing tires with a screw or nail, is that the puncture needs to be contained within the tread of the tire, up to 1/2" from the sidewall. Due to this fact, when there is...
Question
Slow crank, eventually turns on. Sometimes takes 10 mins to build the crank up
Hi there, thanks for writing in. I'd be happy to provide some insight. If the engine is cranking very slow, then it may not start well. You should have a starter voltage drop test in order to isolate if the...
Question
The housing for the starter outside bolt hole is cracked and can't get the bolts to hold the starter in its rightful place 2008 Cadillac Escalade
Hi - while it may be possible to remove the starter and repair the housing (weld and re-drill the hole), the most practical approach is to simply replace the starter. It could well cost just as much to repair it...
Question
4 Wheel Drive Service Light
Hi There, This is a known problem with many of the Chevrolet trucks and SUV's that is often times related to the 4WD switch becoming faulty and/or some of the wiring being corroded. I would suggest having a professional from...
Question
Oil not getting to the top end of motor.
Hi there. It would be very difficult for us to speculate on the possible scenarios without being their to inspect the car personally. If you are certain that you are having oil circulation problems, the best case would be that...
Question
my vsc lights and trac off light comes on and when iput off the car and on again it goes off and then comes back after a while.
VSC stands for Vehicle Stability control. Trac stands for traction control. Both systems have various sensors that they share to obtain the information they need to do their job. If they are coming on together, it means there is a...
Question
Knocking/Rattling sound in the engine bay on startup.
It would be difficult to tell what is causing the noise without first inspecting the vehicle using a mechanic's stethoscope on various locations to determine exactly where the source of the sound is. However, it is possible that the noise...
Question
Hi, my Toyota fortuner 2010 is vibrating soon after reaching speed of 100km/h. Secondly, it is also when idle with start engine.
Shaking or vibration may be caused by many different things such as faulty spark plugs, poor fuel pressure or misfires. Other things such as a faulty idle air control valve may cause the engine idle to drop below the normal...
Question
Engine revs up and down when In park
Hi There, It sounds like you may have a dirty or faulty idle control valve which may be causing the engine RPM to fluctuate. This valve monitors the air flow into the engine and sends a signal to the computer...
Question
How long does it take to change oil pan gasket on a 05 Envoy Denali?
Hi and thanks for contacting YourMechanic. It takes the dealer about 1 hour and 25 minutes to replace the oil pan gasket. However, it all depends on what type of experience the person has in removing the pan and gasket...
Question
Fuel Pump Malfunction
In October 2016, BMW announced a recall covering fuel pumps for certain models produced during model years 2007-2012. Your vehicle appears to be outside the scope of this recall but nevertheless it would be a good due diligence to contact...
Question
Check Engine light on and car not accelerating.
Hello. Providing those codes does help quite a bit. It appears that you have a few issues going on. From what I see it looks like you have a failure in the throttle position sensor and in the fuel pump...
Question
Vacuum linse hooked up backwards on the engine.
Hi there. The vacuum hose to the valve cover is not to be under engine vacuum but rather under throttle vacuum. The lines on the valve cover are for ventilation only from leaking combustion gasses. The brakes will work very...
Question
Using octane booster
I would not recommend adding octane booster to regular gasoline to try to make premium. The octane booster has various effectiveness and may or may not improve the octane from 87 to 91+. Octane booster is usually used in...
Question
How long should my front brake pads last on my lexus 350, 2008year?
Hello, great question! Brake pads can last anywhere from 25,000-70,000 miles. It has a lot to do with your personal driving habits, and the quality of the brake pads you purchased. You should contact whomever replaced the pads and ask...
Question
2002 PT Cruiser overheating and rattling noise
Hi there. The best advice I can offer is to have a professional mobile mechanic come to your location and complete a car is overheating inspection. My fear however, is that the frequent overheating may have caused internal engine damage;...
Question
Where is the auxiliary jack located?
Your audio system is pretty advanced, even if your car doesn’t have the multi-information display. It’s capable of playing music from another source – all you have to do is connect the other device with a cable to the auxiliary...
Question
Engine fault, parking brake fault, and shifting problem - 2009 Volkswagen Tiguan
Hello. A battery or ground issue is my best guess. There are very few things in the vehicle that can affect several different systems like you are experiencing. You're going to want to check the status of your battery and...
Question
2005 Nissan Altima SE 3.5L, motor mount replacement
Any broken motor mounts should be replaced immediately. If "all" are broken, then all should be replaced immediately. The problem with operating a vehicle with damaged mounts is the engine gets out of position and that can cause collateral damage...
Question
I got a p0340 code stored an pending
Hi There, Diagnostic code P0340 relates to the camshaft position sensor. The camshaft position sensor is a magnetic sensor that monitors camshaft speed to regulate ignition timing and fuel injection timing. It gathers and sends information about the car’s camshaft...