glow plugs

geraint13

Pro Tuner
Points
257
Location
Caerphilly, Wales
Car
Zafira 1.9 SRI
have a question. thats new isnt it lol ?

you can get better rating spark plugs that improve firing.

so can you get better rating glow plugs for a diesel ?

just wondered out of curiosity.
 
not really any point. the glow plugs are only really used when cold. once the engine is warm enough then the comprssion is enough to ignite the diesel
 
Glow plugs are just that - starting devices. Common rail cars son't use them at all unless the ambient temperature is very low, typically -10 Celcius or lower.

They are, however, an integral part of the emissions control systems on many Euro IV and Euro V engines.
 
a good quality set of plugs will help cold start loads, but that's all they will do,

stay away from halfords own brand, they are expensive and crap
 

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