Diagnostic Skills
Vacuum Leak Diagnosis: Find It in 15 Minutes Without Special Tools
Vacuum leaks cause lean codes, rough idle, poor MPG. Find fast with $5 in carb cleaner.
Real DIY mechanic content. 15 posts and counting. No SEO fluff.
Vacuum leaks cause lean codes, rough idle, poor MPG. Find fast with $5 in carb cleaner.
Brake pad replacement step by step. Tools, gotchas. Save $150-300 vs a shop.
P0700 is a placeholder. Read the TCM for the real code. Here's how.
95% of the time a stuck-open thermostat. $15-30 part, 1-2 hr DIY.
Complete DIY guide to reading OBD-II codes yourself.
Full DIY ladder from cheap to expensive.
Spark plugs to compression, in order of cost.
Three most common causes. Vacuum leaks first.
Tighten the gas cap. Then 5 real causes.
What to buy, what to skip.
Multimeter drain diagnosis in 15 min.
Every sensor at the moment your code set.
The 3000-mile rule is dead.
Free NHTSA data via VIN.
Every voltage reading explained.