![]() ![]() Not only does this increased performance come with an impressive power upgrade, but your H3's gas mileage is also improved by up to 4 miles per gallon. By utilizing the performance chip, you can tailor the power characteristics of your H3 to better match your driving style and personal preferences. It's also a great way to customize the performance of your Hummer H3. An upgraded air intake provides even more efficient and direct air flow, creating better engine efficiency and power output. The power upgrade is made possible thanks to the modified engine maps programmed into the chip that adapts the air/fuel mixture, allowing your engine to burn the fuel more efficiently and allowing more power output with a cooler running engine. That's up to an amazing 60 foot pounds of torque! With a performance chip installed, your H3's engine can achieve up to 25 horsepower more, while also allowing a boost in torque up to an additional 35 foot pounds. ECU chip in your car will increase horsepower and torque and you will enjoy the benefit of having a hummer it is known for its powerful strong body so you can imagine the addition of the high performance chip in your hummer, will improve the cars throttle response and you will be able to hit the road in style.Ī performance chip or air intake can be used to significantly increase the horsepower and torque of a Hummer H3. It increases the speed of your H3 and enables your Hummer to take less gas hence you won’t have to spend a lot of your cash paying for fuel. With the installation on the Hummer H3 performance chip, the H3 can now move with class and a mad speed that will leave other motorist on the road, wondering what is this machine doing on the road. For those who go casual this is the best car for you. This in turn helps the PCM maximize everything from fuel consumption to performance.Unlike the other Hummer vehicle the H3 has a sporty look that makes it stand out when it is on a show business among the other Hummer cars it is a strong car with a cute appearance it can accommodate four persons making it a family vehicle. The reason that the PCM needs to know the temperature of the air is because air temperature has a direct effect on air density and since the MAF sensor can only measure the flow rate of air passing thru' it, the intake air temperature sensor helps the PCM to further ascertain the precise amount of air entering the engine. The flow rate of the air the engine is breathing.To get into a little more detail: the PCM needs to know two very important things (among several) to calculate the correct amount of fuel to inject for the amount of air the engine is breathing. In a nutshell, the intake air temperature (IAT) sensor helps the PCM ( Powertrain Control Module = Fuel Injection Computer) make a correct measurement of the air mass that enters the engine by providing a temperature reading (measurement) of that air. ![]() ![]() If you need to see what this tool looks like, you can see it here: Wire Piercing Probe.Although this tool is not an absolute must, if you do buy one, you'll realize just how easy it makes testing the voltages inside the wires.Don't have one? Check out my recommendation: Abe's Scan Tool Recommendation.If you need to upgrade or buy a multimeter, check out my recommendation: Buying A Digital Multimeter For Automotive Diagnostic Testing (found at: ).Here's a basic list of tools you'll need: What Tools Do I Need To Test The IAT Sensor? Black smoke coming out of the tailpipe.When your scan tool reports this DTC, the IAT sensor is reporting a temperature of -38 ☏ (-39 ☌).P0113: Intake Air Temperature (IAT) Sensor Circuit High Voltage.When your scan tool reports this DTC, the IAT sensor is reporting a temperature of 300 ☏ (149 ☌).P0112: Intake Air Temperature (IAT) Sensor Circuit Low Voltage.Here are some of the specific symptoms you'll see/have: The very first thing you'll notice when the IAT Sensor goes bad inside the MAF sensor is the check engine light (CEL) shining nice and bright to let you know that there's a problem and that there's a Diagnostic Trouble Code (DTC) stored in the PCM memory. Intake Air Temp (IAT) Temperature/Resistance Chart.TEST 7: IAT Sensor Resistance Test (P0113).TEST 6: IAT Sensor Resistance Test (P0112).TEST 5: Jumpering the IAT Sensor Circuits.TEST 3: IAT Sensor Circuit Low Voltage.TEST 2: IAT Sensor Circuit High Voltage.TEST 1: Checking The Intake Air Temperature Value.What Tools Do I Need To Test The IAT Sensor?.Here are the main subheadings of this article at a quick glance: In this ‘how to test’ tutorial, I'm gonna' show you the easiest way to test the intake air temperature (IAT) sensor. Three of them are dedicated to the MAF part and the other 2 are dedicated to the IAT Sensor part. How To Replace IAC Valve || Jeep Sputtering Fixed E11 ![]()
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