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Hello, thank you for writing in. Check the radiator hoses as well, and make sure both are warm if not hot. If the engine itself is running too cold, by the time the coolant gets to the heater core it...

Hello, thank you for writing in. The vehicle is likely leaking from a hose or heater core. There are several components on that side of the vehicle. Are there any signs of moisture inside the vehicle? If not you will...

Hi there. Beyond the MAF sensor, in most cases, an engine that stumbles when it's cold is caused by one of three different components: clogged fuel injectors, a dirty throttle body, or an EGR valve (https://www.yourmechanic.com/services/exhaust-gas-recirculation-egr-valve-replacement) that is damaged or...

The cause for the van not starting should not be related in any way to the oil change. The only thing that may have happened could be the mechanic may have accidentally bumped a sensor or a wire. I would...

Hello. If unplugging the MAF sensor causes the engine to run better then there is a secondary air leak into the engine. This means that there is a vacuum leak from someplace. Most of the time on this engine it...

If the anti-theft light is on then the vehicle is not going to start. You may have a defective code key. If you have another key then I would suggest you try it to see if the problem goes away....

The most common cause of the problem can be the oil pressure sender unit needs replaced and and the filter screen below it needs removed and cleaned. When the pressure sensor is removed you should have the oil pressure tested...

Hi there. The whistling noise from the transmission could be either a thrust bearing failing or a clutch pack is slipping under certain conditions. First check the fluid to the transmission and make sure that its full and red in...

Hello. It sounds like your new compressor may be failing. Flushing the system is not enough when the compressor fails. When there is debris in the system, it gets stuck in the expansion valves, the condenser, and the accumulator. If...

Hi there. You definitely appear to have a voltage issue with the vehicle. From what you are can be a bad connection at the battery (https://www.yourmechanic.com/services/battery-replacement), a failing alternator (https://www.yourmechanic.com/services/alternator-replacement), or most commonly a bad ignition switch (https://www.yourmechanic.com/services/ignition-switch-replacement). I usually...

Hello. Let me start off by saying that it is just as bad, if not worse, to run an engine with no thermostat as it is to run it with a bad (https://www.yourmechanic.com/services/thermostat-replacement) one. It will also cause engine damage....

A mechanic will have to check to see if you have a wheel bearing that is noisy (https://www.yourmechanic.com/services/clicking-or-popping-sound-is-coming-from-wheels-inspection) when they test drive the vehicle. You are not specifying the front or rear bearing noises. The front is part of the...