Increased Sparkplug Maintenance Intervals
The effect of iridium spark plugs on the local auto repair business. Overall cars need less attention and auto shops will have to close or consolidate.
The effect of iridium spark plugs on the local auto repair business. Overall cars need less attention and auto shops will have to close or consolidate.
Replacing spark plugs is a great job for diy car mechanics. It can also snowball into something ugly. See the number one rule for replacing spark plugs.