Hello there, many different faults can cause your 2004 Hyundai Santa Fe to run poorly when cold. The most likely faults would be a stuck open thermostat, coolant temperature sensor, oxygen sensor, vacuum leak, or exhaust leak. A qualified technician...
If you have a valve cover leaking oil onto the spark plugs then it can cause a misfire. This does not mean the leaks are the cause but a possible cause. I would recommend having a mechanic like one from...
In order to check your fuel economy you will need to fill your fuel tank completely and zero your trip meter and drive vehicle until you use at least a half tank of fuel and then fill the tank and...
Hi there. From the description you have provided, leads me to believe the slow and no crank may be, a battery and/or battery connection issue. It could also be, a faulty starter relay or starter concern. Proper diagnoses should be...
You most likely have a fuel filler nozzle that has an outer hose with an outer hose in it. If the inner hose comes off of its mounting at the inlet of nozzle then it will restrict the fuel trying...
It sounds like you may have a clogged catalytic converter. 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 causes these gases to be...
It is recommended t replace pads with the new rotors. The old rotors would of put grooves in the pads and caused them to not be flat anymore. If you decide to use the existing pads then you should sand...
The cost to replace the engine may exceed the value of the vehicle. It will cost less to replace the engine with a used one versus overhauling the existing engine.
Hello. There are known problems with the software in the electronic power-assist steering system for 2012 models. There is a technical service bulletin (322996) which instructs dealer service to update the software in vehicles with EPS problems. I would recommend...
You should jack up that wheel and wiggle the wheel to see if there is a loose bearing? If it is not loose then you most likely have a warped brake rotor on that side.
Hi there. Your vehicle battery becomes weak, may just be a bad battery. The hard starting, may just be slow cranking RPM. Being able to drive a few miles and the battery will hold a few hours, leads me to...
Hi and thanks for writing to YourMechanic. There are several things to look at. First off, have the coolant tested and make sure it is within spec. If coolant is not mixed at the correct ratio, it can cause the...
Depending on the symptoms of the vehicle, this may be a transmission problem or a failing axle. Unfortunately, without additional detail as to the specific model of your vehicle, it may be difficult to diagnose without physically inspecting the vehicle....
Hi there. There are a few sensors that can cause this as well as some mechanical issues in the transmission. Even though the Check Engine Light is not coming on I always start by checking the computer for any codes....
Hi John. Thanks for contacting us today. Oil in front of the motor, near the crankshaft pulley, is often from the front crankshaft seal. Although this is not normal, it is common with an engine 20 years old. I'm not...
Hi there. That's a lot of questions, and we'll do our best to help you out. First off, the odometer on older VW's is only 5 digits as you suggested, so it is very possible that it might have 185,000,...
Hi There, Depending on the damage to the oil pan, it may need to be replaced. Typically, when fixing them, they must be welded in order to properly ensure that they do not continue leaking. I would suggest having a...
You may have ignition coils that are giving out a weak spark and or failing intermittently causing the misfire. Also a system that is running lean may cause random misfires. have the coils checked for spark output after engine is...
Hi, thanks for writing in. If you hook up a scanner, it should give you codes. You can just have the key on the engine off. If you are not getting any output of codes, then you may have a...
In your initial question, I did not know that valve damage occurred as a consequence of a failed timing belt replacement. The 4 valves that the shop "claims" were damaged might merely represent what they "think" was the extent of...
Hi. If the code is still present after both sensors have been replaced, and the engine is stalling, further diagnostics is needed. First of all, a new sensor doesn’t always mean a good sensor, especially aftermarket ones. Check the sensor...
What you are describing sounds like a bad or worn out ball joint. A ball joint is designed to pivot through multiple planes. Of course, because the ball joint constantly pivots at different angles, it tends to wear out more...
