Question about 2001 Dodge Durango
Need to get through smog check.
Fault Code Definition
The Intake Air Temperature Sensor measures the rise and fall of the air temperature inside the Intake Manifold. This provides critical data needed for the Powertrain Control Module (PCM) to control the Air Fuel Ratio, the Ignition Spark Timing and many components of the Emission Control Systems.
Code P0113 sets when the voltage signal to the PCM from the Intake Air Temperature Sensor Circuit stays above 4.5 volts while the Coolant Temperature Voltage readings are rising and falling within an appropriate range.
Check the IAT sensor connector with the key on and the engine off. There needs to be a steady 5 volt reference voltage and a very good ground. Find and use the proper engine performance wiring diagram to discern the proper color and position of these wires in the connector.
It never hurts to do a key on-engine off voltage output test of the IAT sensor. Typically, I CAREFULLY use a heat gun to raise the temperature of the area around the sensor and study the change in values of the Intake Air Temperature. It's important to use the scan tool data stream as this will verify the IAT harness and connections.
Posted on Oct 16, 2014
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Posted on Jan 02, 2017
make sure engine is cool then drain coolant by opening the drain plug at bottom of radiator. remove cap from radiator so coolant will continue to drain and when coolant is down enough to pull off upper radiator hose at intake then close drain, then remove two bolts at coolant housing and remove thermostate. clean gasket material from intake and housing and replace with new gasket and thermostate tighten bolts install hose fill rad with coolant water mix 50/50 and run engine with heat on floor until gets hot and you see coolant flowing in rad, install cap
Posted on Jan 18, 2009
You can buy adaptor plugs that allow a simple hook up at most car stereo places. However, when you increase the power going to the speakers you also have to replace the speakers to handle the higher power or you'll toast them.
Posted on Apr 01, 2009
1st try and search for a vaccum leak, due to the fact that these vehicles have had some bad problems with the length of wires and hoses, if there is a vaccum leak in the vehicle somewhere that will trigger other malfunctions in your vehicle. Using a can of starting fluid or Brake cleaner spray lightly spray around our engine til you hear the motor rev-up and the spot you have sprayed will determine where your vaccum leak will be. And then check under your distributor cap for any moisture be sure to take a rag and wipe and residue off. Also check the firing order on your distributor.
Posted on Oct 28, 2009
the po700 code will be found in the engine controller all it means is there is a code preasent in the trans controller a good scan tool is needed to communicate with trans controller to retrieve the stored codes that specify problem
Posted on Dec 01, 2009
with engine running check the oil pressure gauge. if it is not reading you will have to check the pressure with an external gauge. the sensor on a v8 is locaterd rear of the engine next to the distributor. No oil pressure will starve the engine of lubrication and cause damage resulting in the knocking .
Posted on Dec 12, 2009
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