Possible coil pack
SOURCE: 1994 s10 service engine soon light
Have you had the truck scanned for codes? If so, what was the code, codes? Why did you replaced those listed parts. Can you hear any hissing noise coming from the engine or engine compartment?
SOURCE: my obd2 is showing me a code p0118 engine coolant temperature circut high input
this is the coolant temp sensor, it sends a signal to the engine ECU
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this is the temp sending unit. it sends a signal to the gauge on the instrument panel.
this is what you need to get to fix your temp gauge.
SOURCE: check engine light on.code is po113.sensor 1 circuit high input
If the only code you have is a P0113 then the answer to your question is no it can not be the oxygen sensor. P0113 indicates that the IAT sensor is reading at -46 deg F. With the computer thinking it is that cold it will need lots of fuel,cold air is more dense and com-pack so more molecules of oxygen and therefore needs more fuel to keep correct air/fuel ratio.
Do you have a way to measure voltage across the sensor?
You should have about 5V coming into the sensor and around 1.5 to 3.0V(depending on the temp) leaving it.
SOURCE: Code P0118 on Audi A4 - Related to Ignition Coil Problem?
Hi, the sensor on the engine (right at the rear end of the cylinder head) has two separate outputs. One drives the temperature gauge and the other provides data for the engine control unit. The output for the engine control unit is almost certainly faulty and the sensor will need to be replaced. It isn't an expensive item and's not time consuming to replace (1/2 hr) - so you could ask Audi to do it for you when they replace the ignition coils.
Hope that helps Matt..
SOURCE: 1999 volvo s70 overheating
Well My car I changed the head, and the head gasket. The gauge says the engine is overheating, but it is not true, the coolant is perfectly normal and no hose is inflating or whatsoever but the fan is always running.. You can blow your head or head gasket because the sensor is faulty ???!!!! Please I need an answer because I'm using my car for a couple of days even if it says its overheating ( It is not really overheating there probably is a faulty sensor.. ) but i'll stop using it if you can blow you head gasket because of a faulty sensor... !!!
What's the real temp of the engine. You have no idea what your doing , take it to a qualified repair shop.
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