# You asked: What is the average exhaust temperature of a gasoline engine?

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A normal gas engine will run about the same as a diesel under light-to-medium load conditions, but will average about 500 degrees under most conditions. However, the EGTs can easily surpass 1,500 degrees in turbocharged and performance applications.

around 420°C

## What is the combustion temperature of a gasoline engine?

Piston temperature and heat flux measurements were made at WOT conditions from 1400 to 3200 RPM in 600 RPM increments. Average combustion chamber surface temperatures ranged from 130 deg. C to 248 deg. C, while peak combustion chamber surface temperatures ranged from 142 deg.

## What does exhaust gas temperature mean?

In a turbine engine, Exhaust Gas Temperature (EGT), sometimes referred to as Turbine Outlet Temperature (TOT), is the temperature of the turbine exhaust gases as they leave the turbine unit. … In a piston engine, EGT is a measurement of the temperature of the exhaust gases at the exhaust manifold.

## What causes low exhaust gas temperature?

As the exhaust gases come out of your engine and across the turbocharger, the heat energy and pressure in them are used to drive the compressor wheel, thereby dissipating some heat energy in the exhaust gases. As a result, peak EGT typically drops 300-400 degrees between turbine in (TI) and turbine out (TO).

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## What should EGT be at idle?

If the truck is a manual and the ambient weather is above freezing then idle EGT’s will be around 250-300* depending on how long its been idling. The longer it idles the cooler it will get, but no cooler than around 250* if the engine is at full operating temperature unless its VERY cold outside.

## How do you increase exhaust gas temperature?

The following ways of increasing exhaust gas temperature (T3) are used in mass production:

1. : retarding the center of heat release.
2. : early post-injection (PoI) to prolong combustion duration.
3. : intake-air throttling to lower engine efficiency and reduce combustion chamber charge.

1200 degrees

## How hot is combustion?

The heat of combustion is approximately −418 kJ per mole of O2 used up in the combustion reaction, and can be estimated from the elemental composition of the fuel. Uncatalyzed combustion in air requires relatively high temperatures.

## What is normal engine temp?

between 195 degrees and 220 degrees

## How do I lower the temperature on my exhaust gas?

How to Lower the Exhaust Temperature in a Diesel Motor

1. Provide additional airflow to the motor by installing an aftermarket, cool air intake in place of the stock air filter. …
2. Install a free-flowing, large diameter exhaust system. …
3. Supply the diesel motor combustion chambers with an additional catalyst to consume fuel by installing a water and methanol injection kit.

1200 F

## What causes high exhaust gas temperature?

Fouling of the turbine side of the turbocharger is a common cause for high exhaust gas temperatures. The sequence of events is often as follows: → Fouling of turbine (coke deposit) → Bad turbocharger performance → Lower airflow and charge air pressure → Higher exhaust gas temperatures.

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## What should my EGTs be?

The absolute maximum safe EGT range is debatable. Our universal rule of thumb, regardless of engine make/model/year, is to not exceed 1250° F and not to operate in the 1200° F – 1250° F range for an extended period of time.

## Is diesel exhaust hotter than gas exhaust?

In contrast, the heavy molecular structure of diesel fuel requires more heat to trigger combustion within the engine chamber. As a result, the exhaust temperatures emitted are particularly higher than gasoline, ranging from 1,000 to 1,200 degrees Fahrenheit.

## How hot is a diesel exhaust pipe?

Executive Summary Page 8 2 Diesel Exhaust Emission System Temperature Test Table 1 shows that the maximum exhaust gas and exhaust surface temperatures are around 500 °F and in some locations above 1,000 °F.