I have a 97 Ranger, 4cylinder, 8 plugs. Is it recommended to change all at the same time, or can I just change the primary four on top of motor?
2006-12-03 14:59:34 · 5 answers · asked by shadowed_in_fear 2 in Cars & Transportation ➔ Maintenance & Repairs
On these engines, it is best to replace all 8. You have 4 primaries that start burning the mix and then the other 4 help complete combustion. If you have 4 new plugs and 4 old plugs, the burn pattern will be disrupted and can cause improper detonation.
2006-12-03 17:03:59 · answer #1 · answered by ? 6 · 0⤊ 0⤋
replacemement of spark plugs depends on many factors, like usage, on the type, wether it is a hot plug or a cold plug, reach of the plug and maximum temp in the cylinder. but when u hav to replace, u need to replace all at once, because for a four cylinder engine, the firing order being 1-3-4-2 or 1-2-4-3.. all engines are fired during a cycle.. so wear on the spark plug remains almost the same .
2006-12-04 00:58:19 · answer #2 · answered by thrust_reversal 1 · 0⤊ 1⤋
replace all at the same time
2006-12-04 09:59:44 · answer #3 · answered by Anonymous · 0⤊ 0⤋
You need to change them all .. be sure to use "anti seize" when you put the new ones in.
2006-12-03 23:08:38 · answer #4 · answered by the_buccaru 5 · 0⤊ 0⤋
Do all eight.
2006-12-03 23:04:23 · answer #5 · answered by R1volta 6 · 0⤊ 0⤋