MotorBitWhat the car is doing
You felt something. The code is how you confirm it. Each page names the usual DTCs and the live PIDs to watch in MotorBit — not a parts list.
Rough idle usually means misfire, a vacuum leak, or a fueling problem. Learn which OBD2 codes and live PIDs to read first with an iPhone sca…
Shaking under load is often a misfire, a clogged cat, or a transmission issue. See which OBD2 codes and live PIDs separate those before you …
A sudden drop in MPG is often a rich condition, a dragging brake, a MAF/O2 lie, or a thermostat. See which PIDs and codes to check with Moto…
Most inspection fails are a commanded-on check engine light or incomplete readiness monitors. Learn what to scan before you go back to the l…
If the light returns after a reset, the fault is still there or a monitor just failed again. Learn what to save in freeze frame before the n…
Have a code already? Look it up. Need the adapter working first? Connect iPhone to OBD2.