Auto Parts Blog

• May 20, 2026

  Signs of a Bad Ignition Coil: Symptoms and Diagnosis

  An ignition coil and a spark plug fail in overlapping ways: misfire, stumble, and a P030X. A cracked boot or oil in the well can take out a new coil. Test by swapping a coil to

• May 19, 2026

  Signs Your Oxygen Sensor Is Bad (And What Happens If You Ignore It)

  Oxygen sensors measure exhaust oxygen so the ECU can keep the mixture in closed loop. A slow or dead O2 sensor can look like a plug or injector problem: poor fuel economy, a rich

• May 18, 2026

  Rough Idle: Common Causes and How to Fix It

  Rough Idle: Common Causes and How to Fix It is a maintenance question with a parts answer. The useful version is: confirm the symptom, confirm the catalog number, then replace the

• May 17, 2026

  Bad Fuel Economy? Your Spark Plugs Might Be the Problem

  Bad Fuel Economy? Your Spark Plugs Might Be the Problem is a maintenance question with a parts answer. The useful version is: confirm the symptom, confirm the catalog number, then

• May 16, 2026

  Engine Misfires: How to Tell If Your Spark Plugs Are the Cause

  A misfire is unburned mixture. Random P0300 points at something shared: plugs of the same age, fuel, or a vacuum leak. A single-cylinder code points at that well — plug, coil,

• May 15, 2026

  How to Change an Oil Filter: A DIY Guide

  Oil filters are not interchangeable by thread size alone. Bypass valve pressure, anti-drainback, and canister height change by engine. PF63 versus PF63F is a letter that can mean