2013 Infiniti G37 — catalyst efficiency code but car drives normally
2013 Infiniti G37 xS, about 165,000 miles. A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire codes. Be…
Repairs & Ownership
2013 Infiniti G37 xS, about 165,000 miles. A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire codes. Be…
I'm seeing the oil level fall enough between services that I now check it regularly. No obvious leak. For other turbo owners, what documentation/tests did you…
This started as a small annoyance and I finally decided to track it down. 2015 Volkswagen Golf TDI, about 141,500 miles. A catalyst efficiency code came back a…
Temperature creeps up sitting still and drops once road speed gives it airflow. Fans appear to run, but I haven't checked actual commanded speed. Any good way…
2004 Honda S2000, about 215,000 miles. The car starts normally most of the time, but after filling the tank it occasionally cranks longer and runs rough for a…
A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire codes. Before condemning the catalytic converter, wh…
There is a damp area around the lower side of the engine but nothing reaches the ground overnight. I cleaned it once and it slowly came back. What's the best w…
A cylinder-specific misfire code appeared after one rough start, then cleared and the engine feels normal. Plugs are not very old. Would you swap coils, inspec…
2013 Infiniti G37 xS, about 118,000 miles. Temperature creeps up sitting still and drops once road speed gives it airflow. Fans appear to run, but I haven't ch…
2017 Nissan Altima 2.5 SV, about 78,000 miles. Scanner showed a cylinder-specific misfire code after one rough start, but the car feels completely normal now.…
2015 BMW 335i, about 36,000 miles. There is a light ticking sound that follows engine speed for the first few minutes and then becomes hard to hear. Oil level…
The car starts normally most of the time, but after filling the tank it occasionally cranks longer and runs rough for a few seconds. Could EVAP/purge behavior…
This started as a small annoyance and I finally decided to track it down. A cylinder-specific misfire code appeared after one rough start, then cleared and the…
2021 Mazda CX-5 Turbo, about 48,000 miles. I'm seeing the oil level fall enough between services that I now check it regularly. No obvious leak. For other turb…
A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire codes. Before condemning the catalytic converter, wh…
There is a light ticking sound that follows engine speed for the first few minutes and then becomes hard to hear. Oil level is correct. How would you separate…
2021 Mazda CX-5 Turbo, about 75,500 miles. A cylinder-specific misfire code appeared after one rough start, then cleared and the engine feels normal. Plugs are…
2022 Lexus GX 460, about 1,200 miles. Scanner showed a cylinder-specific misfire code after one rough start, but the car feels completely normal now. Plugs are…
2018 Toyota Camry SE, about 76,500 miles. Idle has a slight shake once fully warm, but 100–200 RPM above idle it smooths out. No major loss of power. Would you…
2021 Tesla Model S Long Range, about 66,500 miles. The car starts normally most of the time, but after filling the tank it occasionally cranks longer and runs…