Rick's Free Auto Repair Advice

Posts Tagged: Bosch spark plugs

Replace spark plugs – TIPS

Tips for replacing spark plugs I see lots of questions from DIYers asking about tips for replacing spark plugs. They know the plugs just unscrew and screw back in. But they wonder which is the best spark plug. And they see ads for e3 spark plugs, Bosch 4 spark plugs, iridium, double platinum, and copper. Let’s talk about those and other spark plug issues. How spark plugs work If we assume the ignition coil is working properly, generating the proper spark depends on thwo things: 1) The proper gap and … Read More

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