It actually depends on the engine. But if it has HT LEADS (High Tension) Follow these from the distributor or electronic ignition unit and there are the plugs in the manifold of the engine
To change the heater plugs on a Vectra 1.9 CDTI, first, ensure the engine is cool and disconnect the battery. Remove the engine cover if applicable, then locate the heater plugs, typically found on the cylinder head. Use a suitable socket to carefully unscrew the old plugs, clean the area, and then install the new plugs, ensuring they are properly torqued. Finally, reconnect the battery and start the engine to check for proper operation.
Heater plugs in a ford focus 1.8 engine should be changed every 18 months-2 years.
The Cummins engine doesn't have glow plugs. It has an intake manifold heater grid.
The heater plug, commonly found in diesel engines, serves to preheat the combustion chamber before starting the engine. This helps to vaporize the fuel and improve ignition, especially in cold weather conditions. By warming up the engine, heater plugs enhance starting reliability and reduce emissions and engine wear during startup. Proper functioning of heater plugs is crucial for optimal engine performance in low-temperature environments.
In most cases a block heater replaces one of t he freeze plugs in the engine
In a 2009 Honda Fit, the spark plugs are located on the engine's cylinder head. You can access them by removing the engine cover and the ignition coil assembly. The spark plugs are situated beneath these components, typically requiring a socket wrench for removal and replacement.
You may be refering to the glow plugs. They help the engine turn on.
They are installed in holes in the engine block where the frost plugs are normally located
hi there you have to remove the top engine mount and inlet manifold about 15 bolts its a bit potchy to get out and then you can get at the heater plugs
first, an engine heater has to have been installed on the vehicle. if the car did have an engine heater installed in it, most newer vehicles would have had a soft plug heater put in. soft plugs are located on the side of the engine block. they knock that plug out and install a heater in it. look for any ac wire( it will look like a three prong plug on any of your household appliances) in the engine compartment.
On a 2008 Honda Fit, the spark plugs are located beneath the ignition coil packs, which are situated on top of the engine. To access them, you'll need to remove the engine cover and the coil packs, as they are directly mounted on top of each spark plug. The spark plugs themselves are found in the cylinder head, with each plug corresponding to a cylinder in the engine.
If it has a block heater it will be installed on the passenger side of the engine , in place of one of the freeze plugs ( core plug , expansion plug etc )