Changing an engine's plugs should be a relatively simple maneuver. But not if you've built the engine bay so the motor barely ...
Fouled or worn spark plugs can reduce efficiency, so swapping them for new plugs can help improve your car's fuel economy.
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I paid for new spark plugs, but the engine still misfires and the shop says it’s unrelated
It’s the kind of moment that makes anyone squint at their receipt like it’s written in a secret code. You pay for new spark ...
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