Question about Ford Cars & Trucks
CHT -cylinder head temperature sensor located under the intake manifold.you have to remove intake manifold to replace sensor its in the cylinder head.
Posted on Oct 22, 2013
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Posted on Jan 02, 2017
SOURCE: Temp Sensor
The temp sensor known as the engine coolant temp. sensor tells the computer if the engine is overheating and so forth and tells the injectors how much fuel to give the engine. The temp. sending unit is what controls what your guage reads. It sounds like you need the temp. sending unit. It located near the thermostat housing with a single pole connector.
Posted on Jun 20, 2008
SOURCE: 99 4runner 5vz-fe 3.4 misfire
I know this post is old, but right on the engine theres a sticker that says use multi-ground plugs only. I read a similar problem like yours and it seemed to turn out that the spark was arcing to ground over the ceramic on the plug. So maybe it could have something to do with the single ground plugs.
Posted on Jan 23, 2009
Have you checked for spark on all 8 plugs? Unplug the exhaust side coil pack and run the engine. Does it run on all 4 cylinders?
Posted on May 27, 2009
IAT stands for Air Intake Temperature Sensor and it is located in the intake tube coming from the air filter box tot he engine. Easiest way to find it is look at the top of your engine where it says 2200. Coming right out of that manifold is a black ribbed tube about the size of a baseball to softball. It should be going towards the direction on the front drivers side. on the back side of that tube, about 4 inches away from the intake manifold (the things that says 2200) is a plug with wires. That is your IAT Sensor. If it is unplugged, plug it back in. Otherwise unplug it and replace it. Make sure to disconnect the battery while you do this so the computer resets itself after the new one is installed. Thanks and please don't forget to rate!
Posted on Jul 15, 2009
SOURCE: where is Bank 1 sensor 1 located
Start at the exhaust manifold flange on the drivers side. The first sensor you come to before the cat. converter is the sensor you are looking for.
Posted on Oct 10, 2009
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Diagnostic Trouble Code (DTC) P1120 indicates that the Throttle Position Sensor (TPS) closed throttle position is below the range of 3.4 percent (0.17 volts). Possible causes for this DTC are:
· Damaged wiring harness or connectors
· Open or shorted Reference Voltage (VREF) circuit
· Faulty TPS
· Faulty Powertrain Control Module (PCM)
The methods/steps for diagnosing this code depend on how the code was stored and retrieved.
This code can be a Key On Engine Off (KOEO), Key On Engine Running (KOER), or a Continuous Memory code. To properly diagnose the cause of the problem a scanner must be obtained that has the ability to read each of these as well as the capability of reading live engine data from the PCM.
Direct voltage readings should be taken at the TPS connector and compared to the live data at the PCM. This will eliminate the possibility of a faulty PCM. The VREF and Signal Return circuits must be verified between the TPS and the PCM. Also the Sensor Ground circuit must be verified between the TPS connector and battery ground.
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