20 Most Recent 2006 Hyundai Tucson - Page 4 Questions & Answers

its most likely low on refrigerant and a safety switch is keeping it from running an oover heating

If the temperature gauge didnt reach red your engine is fine. If the temperature went red and then down while driving you have had a boiling coolant system. Then you may still be fine but also have a risk of a blown head gasket and maybe also a warped and/ or cracked cylinder head. Refill coolant when cooled down. If the system keeps creating bubbles in the radiator or the expansion tank you have an internal leak and need to take check your head:)

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Hve you had the brakes checked. Sounds like the brakes are grinding

Absolutely. One of the blend door actuator motors may be sticking or defective

I take it you are talking about lambda sensors it will be on a v engine as you look at the engine from the belt is the left side precat sensor and if it's a straight engine it's just the precat sensor

Check the air in the radiator.

Probably replaced a good sensor. This codes could be from a bad sensor, a vacuum leak, or an exhaust leak before the sensor.

Make sure all vacuum lines are not cracked and connected.

Probably best to buy the exact replacement line first...break fittings loose first spray with PB Blaster, If corroded, you may need to use vise-grips on both nuts...you MUST bleed your brake system completely after changing any lines or connections. Hope this helps.

If it is the speed sensor in the transmission, you should also have problems shifting and the check engine light should be on. If it shifts normally, the speedometer has failed.

Make sure that the cooling system is filled to the top and there are no air pockets.. If low add water and see what happens. If still no heat, the valve that controls the flow of water into the heater core is not letting water in. Either it is stuck closed, or the linkage that adjusts it is not working.

try to remove the positive cable from the battery and wait for 5 minutes then install back the positive cable. start the engine and try to engages the gears again

Replace sensor or try cleanin it....may hav metal pieces from crankcase oil

Battery is good?

Just remove fuse to radio to see if this circuit is the problem. You can pull fuses one at a time and use voltmeter to see which are drawing current. Could be bad diodes in alternator which can be tested at parts store.

If the noise is inthe engine copartment?Sound like a loose or worn serpentine belt also called fan belt. It could've one or more of the pulleys the belt rides on,is loose or warped.