Recent questions

Question
Does a 1998 Dodge Dakota SLT automatic transmission have differential fluid? Do i add it or is it called something?
The automatic transmission in your vehicle uses ATF+4 automatic transmission fluid. The differential uses GL-5 80W-90 gear oil, with a friction modifier if you've got a limited slip rear end.
Question
Ignition Coil 5 is bad
Ignition coils can be a very tricky component to diagnose and there is virtually no way to tell when one may or may not fail without pulling one apart and doing extensive testing. Often times when they fail, it can...
Question
Catalytic converter issue?
This may be a sign of a clogged catalytic converter. As you may already know, the catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere. When this is clogged, this...
Question
Accelerator is not responding
This may be a sign of a failing throttle position sensor or potentially a vacuum leak. The throttle position sensor (TPS) is a sensor used to monitor the throttle position of the throttle plate inside the throttle body in relation...
Question
Battery light on while driving but then goes off?
The battery light indicates that your charging system has a flaw in it which may be a sign of a weak battery, a failing voltage regulator or failing alternator. As you may know, the alternator is responsible for charging the...
Question
My battery light came on out of nowhere and I started smelling smoke.
This may suggest a failing voltage regulator. The voltage regulator is a unit that regulates the charging of the battery by the alternator. When the voltage regulator is not working properly, this may result in the alternator allowing too much...
Question
Car problem
Your car has a small purge valve that controls the venting of fumes from the fuel tank as these fumes build up inside, particularly when you are refueling the car with gas. The EVAP system prevents fuel vapors from the...
Question
Service engine soon light on BMW
Hi there - you have multiple potential problems. The BMW "service engine" is driven by 2 functions. The most critical, is by problem codes which will turn on your Check Engine light. the second condition is driven by the amount...
Question
Car cranks but will not start.
This may be related to many different possibilities, some of which may be related to a lack of spark and some of which may be related to a fuel delivery problem or a combination of both. For example, if the...
Question
When I put it in drive it wont go but when I reverse it will. The transmission oil is brown. What might be wrong?
If your transmission fluid has a brownish color and a slightly burnt smell to it, this may suggest it is time for it to be changed. It could be just that the fluid is very old and no longer protecting...
Question
Power drain 1978 Cadillac Seville
Hello - you may have a charging system problem, although you have replaced virtually of those components, or there may be a parasitic drain on the system that runs your batter down overnight. This can be diagnosed by identifying which...
Question
Transmission issues
This may mean many different things ranging from just a basic service interval notification to other more severe transmission component failures. Generally, if there is something seriously wrong, you may get a more severe warning indicating to shut the engine...
Question
I have been having trouble starting my car.
This may be a sign of a weak battery, a failing voltage regulator or failing alternator. As you may know, the alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while...
Question
Why does my Shifter moves freely, but wont shift? A small piece in steering column has broken off. 2006 Dodge Dakota
Hi - you have diagnosed this correctly! Part of the shift linkage has broken, preventing gear selection. I would recommend a shift linkage inspection to determine what parts to order by a mobile, professional mechanic, such as one from YourMechanic,...
Question
2004 mercury mountaineer a/c works. No heat fan switch only works on 4 car not overheating Smell antifreeze inside car but no leak
The blower resistor in the blower housing for the a/c blower most likely has gone bad and open circuit in resistor. Replace the blower resistor. The smell of coolant in the dash vents may be from a leak in the...
Question
Starter problem
This suggests you may have a faulty starter solenoid. The starter solenoid is located on the starter and has internal electrical contacts that transmit electricity to the starter. When this fails, it may cause a clicking sound and will not...
Question
Clutch Issues 1990 GMC K1500
Hello - did you replace the pilot bearing? If it is seized, the clutch will not disengage. It is also possible that there is still air in the clutch hydraulic line, and the slave cylinder is not making a full...
Question
No reverse and will not down shift.
This may be a sign of low transmission fluid or a faulty transmission control solenoid. As you know, automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer activates a transmission...
Question
Leaking coolant, dripping off engine block near oil filter. 2006 Dodge Ram 1500
Hi - yes, almost certainly this is the water pump bearing seal leaking. I would replace the water pump immediately. Modern water pumps have a remarkable ability to hold water right up to the instant they fail completely - resulting...
Question
Engine idle fluctuates
This may be a sign of a vacuum leak. A vacuum leak can be one of the most frustrating and difficult problems to diagnose. High idle speed is a common sign and stalling is another. Confirmation of an engine vacuum...
Question
Heard a loud bang when I turned on my car yesterday. 2007 Volvo XC90
Hi there - this is highly unusual behavior, and should be checked out immediately. Check for problem codes, even if the Check Engine light is not yet on. This is a misfire condition due to an over-rich condition, possibly due...
Question
Why does my car blow heat then stop and then start up again??
This may be a sign of a faulty blower motor. As you know, these have electric motors in them that wear out over time and will begin to make squeaking or grinding noises as the bearings begin to wear out....
Question
Why won't my car start?
This may be a sign of a failing voltage regulator or failing alternator. As you may know, the alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while the engine turns...
Question
Where is my coolant leaking from? 2007 Dodge Caravan
Hello - you may have a coolant leak from a worn out water pump. If so, this could result in an immediate failure, as modern water pumps have a remarkable ability to work right up until complete failure. The "gurgling"...
Question
My car won't consistently start?
This may be a sign of a faulty ignition coil. Ignition coils are coated with a varnish-like insulation that becomes brittle over time after being stretched then contracted repeatedly The insulation develops small fractures that open when heated and close...