https://www.freezeframecode.com/ 2026-08-19 weekly 1.0 https://www.freezeframecode.com/codes/p0128/ 2026-08-19 monthly 0.9 https://i.ytimg.com/vi/Ei3Dtpeu_Eg/maxresdefault.jpg P0128 — Coolant Thermostat Below Regulating Temperature the engine is not getting hot enough, fast enough, and nine times out of ten the thermostat is stuck open. https://www.youtube-nocookie.com/embed/Ei3Dtpeu_Eg 484 2026-08-13T15:17:45Z yes no https://i.ytimg.com/vi/p59DNBHINXU/maxresdefault.jpg P0128 in 0:59 — Coolant Thermostat Below Regulating Temperature the engine is not getting hot enough, fast enough, and nine times out of ten the thermostat is stuck open. https://www.youtube-nocookie.com/embed/p59DNBHINXU 59 2026-08-14T08:26:12Z yes no https://www.freezeframecode.com/codes/p0171/ 2026-08-19 monthly 0.9 https://i.ytimg.com/vi/pj5XgnoIiQM/maxresdefault.jpg P0171 — System Too Lean (Bank 1) the engine computer has run out of room adding fuel to correct a mixture that keeps reading lean on bank one. https://www.youtube-nocookie.com/embed/pj5XgnoIiQM 510 2026-08-13T06:05:34Z yes no https://i.ytimg.com/vi/jtUoJfyqvkY/maxresdefault.jpg P0171 in 1:03 — System Too Lean (Bank 1) the engine computer has run out of room adding fuel to correct a mixture that keeps reading lean on bank one. https://www.youtube-nocookie.com/embed/jtUoJfyqvkY 63 2026-08-14T08:21:50Z yes no https://www.freezeframecode.com/codes/p0300/ 2026-08-19 monthly 0.9 https://i.ytimg.com/vi/Xx902oqVkK0/maxresdefault.jpg P0300 — Random / Multiple Cylinder Misfire Detected more than one cylinder is failing to burn its charge properly, and the computer can't pin it to a single one. https://www.youtube-nocookie.com/embed/Xx902oqVkK0 518 2026-08-13T15:12:13Z yes no https://i.ytimg.com/vi/nZC2hzD0s5Y/maxresdefault.jpg P0300 in 1:01 — Random / Multiple Cylinder Misfire Detected more than one cylinder is failing to burn its charge properly, and the computer can't pin it to a single one. https://www.youtube-nocookie.com/embed/nZC2hzD0s5Y 61 2026-08-14T08:24:06Z yes no https://www.freezeframecode.com/codes/p0401/ 2026-08-19 monthly 0.9 https://i.ytimg.com/vi/RnvbbFewv3c/maxresdefault.jpg P0401 — Exhaust Gas Recirculation Flow Insufficient the computer opened the EGR valve, looked for the effect that should follow, and didn't find it — usually because carbon has blocked the passages. https://www.youtube-nocookie.com/embed/RnvbbFewv3c 528 2026-08-14T08:15:53Z yes no https://i.ytimg.com/vi/xG3ePNhZ-3A/maxresdefault.jpg P0401 in 1:07 — Exhaust Gas Recirculation Flow Insufficient the computer opened the EGR valve, looked for the effect that should follow, and didn't find it — usually because carbon has blocked the passages. https://www.youtube-nocookie.com/embed/xG3ePNhZ-3A 67 2026-08-14T08:31:00Z yes no https://www.freezeframecode.com/codes/p0420/ 2026-08-19 monthly 0.9 https://i.ytimg.com/vi/fFq3AWXSHvc/maxresdefault.jpg P0420 — Catalyst System Efficiency Below Threshold (Bank 1) the catalytic converter on bank one isn't cleaning the exhaust as well as the computer expects — or the sensor watching it is lying. https://www.youtube-nocookie.com/embed/fFq3AWXSHvc 491 2026-08-13T06:11:53Z yes no https://i.ytimg.com/vi/pMolbCVu4yw/maxresdefault.jpg P0420 in 1:00 — Catalyst System Efficiency Below Threshold (Bank 1) the catalytic converter on bank one isn't cleaning the exhaust as well as the computer expects — or the sensor watching it is lying. https://www.youtube-nocookie.com/embed/pMolbCVu4yw 60 2026-08-14T08:19:31Z yes no https://www.freezeframecode.com/codes/p0455/ 2026-08-19 monthly 0.9 https://i.ytimg.com/vi/4eafZ88lIOs/maxresdefault.jpg P0455 — Evaporative Emission System Leak Detected (Large Leak) the fuel vapour system failed a sealing test by a wide margin, and about half the time the cause is the fuel cap. https://www.youtube-nocookie.com/embed/4eafZ88lIOs 530 2026-08-14T08:10:00Z yes no https://i.ytimg.com/vi/2us2vng0Vc8/maxresdefault.jpg P0455 in 1:06 — Evaporative Emission System Leak Detected (Large Leak) the fuel vapour system failed a sealing test by a wide margin, and about half the time the cause is the fuel cap. https://www.youtube-nocookie.com/embed/2us2vng0Vc8 66 2026-08-14T08:28:32Z yes no https://www.freezeframecode.com/how-to-read-a-code/ 2026-08-19 yearly 0.7 https://www.freezeframecode.com/choosing-a-scan-tool/ 2026-08-19 yearly 0.7 https://www.freezeframecode.com/about/ 2026-08-19 yearly 0.7 https://www.freezeframecode.com/glossary/ 2026-08-19 monthly 0.7 https://www.freezeframecode.com/systems/ 2026-08-19 monthly 0.6