Recent questions

Question
I live at 9,200 ft. in the mountains above Colorado Springs. As long as I drive my '09 Forrester X limited at this altitude all is
Hi there. This issue is rather common with vehicles that deal with dramatic changes in density altitude, such as what you've described. The P0420 OBD-II trouble code indicates that the catalytic converter is not working as efficiently as it is...
Question
how many miles before i change the oil on my chevy trax using semi synthetic oil
Hi there. Most of today's modern cars have service light systems that will illuminate when routine service is due. However, this is not a good way to determine when you should have oil changed; as some vehicles only illuminate oil...
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Car not starting
Hi there. Thanks for writing in today. If your car is not cranking over, it's likely that you have a faulty ignition relay or that the battery's cranking amps are too low to complete this process. It's also common for...
Question
Car wont start after battery swap.
Hi there. Typically the anti-theft security feature will trigger an OBD-II trouble code when the battery is removed for an extended period of time, like when the battery is replaced. The only way to reset the system to my knowledge...
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Car overheats. Replaced thermostat, overflow cap, heater core. car was blowing cold air, massive leak from heater core hoses.
Of course, be sure it is not just a temperature sender and/or gauge malfunction. If there is trapped air in the cooling passageways that can cause overheating. There are a few other common causes of overheating, namely a faulty thermostat...
Question
Overheating
Of course, be sure it is not just a temperature sender and/or gauge malfunction. If there is trapped air in the cooling passageways that can cause overheating. There are a few other common causes of overheating, namely a faulty thermostat...
Question
My Chevr HHR (2006) has milky oil, and white smoke puffs out of the dipstick tube. The car doesn't overheat,and the heater works.
Check for any change in coolant level in the overflow reservoir. If no change over, say, 500 miles, you simply have a high level of condensation because there is absolutely no other source of water to the engine. You can...
Question
windsheid wiper only works on fast speed
It is very likely that you are having an issue with your wiper switch as this is the part that controls the speed at which your wipers operate. I would recommend enlisting in the assistance of a quaified professional to...
Question
Car shudder/vibrations when accelerate
The first thing I would recommend is to have your vehicle scanned for trouble codes. When the check engine light comes on, this indicates that a trouble code has been stored. Once the trouble code has been determined, the repair...
Question
My car doors don't lock with fob I change the battery
Over time key fobs can fail due to corrosion that builds up on the mother board inside it. This usually only affects one or two buttons rather than the entire key fob. Most of the time the key fob will...
Question
I just replaced a heater hose in my 2006 dodge ram 1500. The coolant is full but now the engine is overheating. Did I miss a step
A diagnostic would determine the root cause of the overheating. If the coolant level is low, and/or there is trapped air in the cooling passageways, perhaps related to the heater hose repair, those faults themselves can cause overheating. The other...
Question
The back end of the suv sways in the back when driveing down the road what would cause this its scary
It sounds like you may have some loose suspension parts on the rear of your vehicle. I would recommend having the rear wheels shook down to determine which parts have the free play. If you feel a sway in the...
Question
The car won't start.
Hi there. It's possible that while cleaning the battery terminals, that the cables may have been damaged or are loose, which is typically what causes the 'clicking' sound. This sound is an indicator that there are not enough cranking amps...
Question
My car is overheating there are no leaks all the hoses are intact and I just changed my thermostat 6 months ago. What might be cau
A diagnostic would determine the root cause of the overheating. Common causes of overheating include a faulty thermostat (yours was replaced but that is no guarantee that it is presently functioning), a plugged radiator, collapsed hoses, and a faulty water...
Question
I am not getting power to the tow/tail relay.
You did not list the vehicle information you are looking at so I will be general in my answer. The vehicle will use a relay in most newer trucks to run the trailer lighting and other functions. You may have...
Question
Rough idle, smoking,CEL on
Hi there. The P0300 OBD-II trouble code typically indicates that there is a misfire in random or multiple cylinders. The other codes indicate that the misfire is being registered in the first, third and fourth cylinder. This is most likely...
Question
antifreeze is leaking and spots going on my windsheld
Engine coolant can leak externally through a hose, radiator, water pump, etc. External leaks are typically found by simple pressure testing of the cooling system. To find the leak that exists in your case, and get the required repair estimated,...
Question
Oil leaking from engine (not enough to leave driveway spots but still a leak) white/grayish smoke on startup only. No smoke while
External leaks could be from any of the oil seals on your engine and the cost to repair would depend on exactly where the leaks are located and how many seals need to be replaced. Certain seals are inaccessible unless...
Question
My ignition switch doesn't start don't turn
Hi there. If the ignition won't turn when you insert the key, it's likely that the ignition lock cylinder is damaged and needs to be replaced. However, it could be an issue with the steering column as well, which is...
Question
oil leak
There are quite a few oil seals on your engine and the cost would depend on exactly where the leaks are located and how many seals need to be replaced. Certain seals are inaccessible unless the engine is removed, notably...
Question
With the ignition off the truck tries to start its self when you go to hook up a battery
Hi there. What you are describing is typically an indication of a damaged ignition relay. Essentially, what's happening is when you attach the battery terminals, power is bypassing the ignition relay and being sent directly to the starter relay. This...
Question
brake light came on started leaking had brakes fixed should leak stop
Brake fluid leak sources are quite varied and can be traced to tubing perforation due to corrosion, bleeder screw leaks, internal master cylinder leaks, and seal leaks. Any leak of brake fluid is serious and so I recommend that you...
Question
Why is my upper radiator hose collapsing in the middle when I start my car?
The radiator cap is designed to hot a certain amount of pressure in the cooling system when it gets hot and pressure builds up. When the pressure goes above the caps psi rating then the pressure from expansion is released...
Question
Loud knocking noise and engine is shaking.
Hi there. When passing a vehicle and turning off the overdrive at the same time with the pedal on the floor will be like trying to shift a vehicle without the clutch in a manual transmission driven vehicle. The rpm's...
Question
Squeaking/Chirping while driving
Some of the most common causes of the symptom you described are a stretched serpentine belt, a dried out idler pulley, or a dried out tensioner pulley. I would recommend enlisting in the assistance of a qualified professional to use...