KISS Diagnostics Engine Cooling Pack: 5 Diagnostic Cheat Sheets (HTML + Printer-Friendly PDF)

The coolant temperature sensor feeds fuel, spark, fan and gauge decisions, so a bad reading causes problems all over the car. 5 cheat sheets for ECT sensor faults and warm-up codes, built to tell a bad sensor from a bad thermostat or a wiring problem. Written by a licensed technician with 20 plus years in the bay.

WHAT'S INSIDE (5 sheets)

• ECT sensor range / performance: P0116

• ECT circuit low input and high input: P0117, P0118

• Insufficient coolant temperature for stable operation: P0126

• Intake air temperature too high, an intake temperature check often traced to heat soak or a fan problem: P0127

ALSO SEE AIR INTAKE & TURBO for the intake air temperature sensor sheets (P0110 to P0114).

ON EVERY SHEET: step-by-step diagnostic flowchart · most common causes ranked by estimated likelihood · professional tips · reference table of normal vs failed readings · related codes · safety warnings.

HOW YOU GET IT: one zip, instant download after payment. Every sheet comes in two formats: HTML (any browser, phone, tablet or computer) and a printer-friendly PDF. Generic SAE codes that apply across makes. Prices in USD. Digital product, all sales final (see FAQ).