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Frontier

According to Section 2-32 of the 2017 Frontier Owner's Manual (https://www.nissancommercialvehicles.com/media/pdf/2017-Nissan-Frontier-OM.pdf), "even though the battery saver feature automatically turns off the headlights after a period of time, you should turn the headlight switch to the OFF position when the engine...

Hi, thanks for writing in. This may be related to couple of things such as a vacuum leak or potentially an improperly adjusted throttle plate screw. When a vacuum leak is present in an engine, it can cause an imbalance...

Your car is relatively new and so the only thing really that I would expect to replace in the braking system are the brake calipers (other than consumables or maintenance items, of course, such as pads and fluid). To replace...

If the truck is leaking after a radiator replacement then something may be loose. If the leak cannot be easily seen then I typically do a cooling system pressure test first to see if I can find the leak. Hopefully...

If your blower doesn't work on ANY speed setting, then yes, the blower motor fuse or a relay (https://www.yourmechanic.com/services/blower-motor-relay-replacement) is the likely problem. The relay is on the main fuse panel. It is also possible the motor has enough grit...

It is very possible that your heater hoses could have sprung a leak. The heater hoses are routed behind the engine normally because they must be connected to the heater core which is inside the dash. Therefore these hoses are...

You haven't said whether it can be restarted and driven, so I don't have a lot to go on. But one thing you can easily check for is vacuum leaks. Any air that gets into the engine without going through...

Hi Jesus. Thanks for contacting us today. Unfortunately, a four cylinder to six cylinder conversion is not possible without significant fabrication work being completed. You might want to look for the OEM four-cylinder engine as a replacement or purchase a...

it is possible that you may be having an issue with the engine and the transmission. If the engine is shutting off, it is missing one of three things. Fuel, ignition, or compression. Most likely the fuel is the cause...

Hi there. Inside your owner manual or on the side VIN plate on your driver side door, should be the type of differential you have (either the C200 or M226) as this vehicle has one or the other that is...

There can be several reasons why your vehicle will not start and quite a few of these reasons can duplicate a lack of fuel. The first thing to check is the fuses and relays for the fuel pump circuit. When...

Hello. A fuel system leak such as the one you describe can be caused by a few different things. The injectors are pulsed on and off by the engine computer. If you have already replaced it then it may be...

Hi. This is a fairly common concern for smog failure, it indicates the computer has detected a large leak in the evaporative emissions system. 90% of the time this is due to the fuel cap not being secured properly. Sometimes,...

From what I am reading, your vehicle seems to be experiencing a serious problem. From my years working with these vehicles, it could very well be that the brake caliper has seized (https://www.yourmechanic.com/services/brake-caliper-replacement)in that stuck wheel. Often the brake caliper...

There are some engine controls that affect transmission shift points, such as the throttle position sensor. Those have to be ruled out. If it does turn out to be a transmission issue, check the fluid level and condition. Beyond simple...

If there is no noise in reverse, regardless of engine speed while in reverse, then you have eliminated the engine as a source of the noise but implicated the transmission and/or the drive axles. However, engine speed is typically low...

The only way to determine if your operating conditions permit bypass of an OEM engine oil cooler is to install an oil temperature gauge. If gauge readings are always below 240 degrees F. (but above 212 degrees F.) you do...

Hi UK. Thanks for submitting your question today. Usually good fuel economy and mysterious engine shutting off issues is not related to a single component failure. If the fuel efficiency is good and the Frontier runs good (except for when...

If you do not have a blown headgasket and have a new water pump and thermostat then you must have a blockage in parts of the radiator or the cooling fan or fan clutch is defective. Check fan clutch is...

Hi there. On a manual transmission, most shifting problems are caused by a clutch failure or a gear failure. This is rather common for a vehicle that is more than 15-years old and over 250,000 miles. Trying to pinpoint the...