Q: How do I manually dim the rearview mirror?

Greetings. Out of balance tires can cause some pretty terrible vibrations. Wheel mounting, the steering system, and front suspension should all be inspected (https://www.yourmechanic.com/services/brakes-steering-and-suspension-inspection) over by a certified mechanic for any looseness or weak components. A trained technician, like the...

Hi, it is possible for the O2 sensor to not turn on the Check Engine Light if it is failing slowly. It's also possible for leaks to occur, which can throw off the sensors readings. I would recommend having a...

Todays radiators are have an aluminum core and plastic tanks. The area where the tank meets the core is sealed by a gasket. Over time radiators tend to develop leaks in the gasket area. When this happens the usual repair...

The cooling fans (https://www.yourmechanic.com/parts/cooling-fan-assembly) work according to relays that detect temperature and cause them to turn off and on. When these relays are not working properly, this will cause them to come on all the time, not at all or...

Hi, thanks for writing in. With the key on engine off, your gauge should read low pressure. The oil sender near oil filter should be disconnected to see if the gauge now reads zero pressure. Now ground the wire you...

Hello there. A few common problems will cause your 1996 Nissan Maxima to cut out when it is put in gear and have a rough idle. The idles issues and cutting off could be related or separate issues. Likely causes...

Hi there. Quite often a damaged catalytic converter will mask other mechanical issues that impact fuel economy. One culprit in particular is the EGR valve (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-exhaust-gas-recirculation-egr-valve). The EGR valve works in conjunction with the catalytic converter to help reduce particulate...

Hi there. It sounds like there could be a serious transmission issue at hand. However, there are a few other possibilities: a broken shifter cable or switch assembly. Does the gear indicator change when the shifter is moved? If not,...

There can be other issues causing the gas cap fault. It may be best to have a certified technician look into the gas cap fault (https://www.yourmechanic.com/services/gas-cap-replacement). Rare but one possibility can be damage to the fuel filler neck itself. If...