Repairs & Ownership
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…
Long-term fuel trims are much more positive at idle than at 2,500 RPM. No obvious misfire. Does that pattern still make an intake/vacuum leak the first place t…
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…
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…
2024 Audi Q5 Premium Plus, about 78,000 miles. I've started checking the dipstick every 500 miles and the level is definitely moving down between oil changes.…
2025 BMW M3 Competition, about 10,500 miles. Idle has a slight shake once fully warm, but 100–200 RPM above idle it smooths out. No major loss of power. Would…
This started as a small annoyance and I finally decided to track it down. 2014 Ford Mustang GT, about 117,000 miles. Long-term fuel trims are much more positiv…
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…
2013 Infiniti G37 xS, about 22,000 miles. Temperature creeps up sitting still and drops once road speed gives it airflow. Fans appear to run, but I haven't che…
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…
2019 Porsche Macan S, about 50,500 miles. Long-term fuel trims are much more positive at idle than at 2,500 RPM. No obvious misfire. Does that pattern still ma…
2024 Toyota Tacoma TRD Off-Road, about 41,500 miles. A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire…
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…
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…
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…
2019 Ram 2500 Cummins, about 61,000 miles. Long-term fuel trims are much more positive at idle than at 2,500 RPM. No obvious misfire. Does that pattern still m…
2022 Ford Maverick XLT Hybrid, about 23,000 miles. A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire c…
2024 Rivian R1S Dual-Motor, about 35,500 miles. Idle has a slight shake once fully warm, but 100–200 RPM above idle it smooths out. No major loss of power. Wou…
Idle has a slight shake once fully warm, but 100–200 RPM above idle it smooths out. No major loss of power. Would you look at mounts, vacuum leaks, ignition or…
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…
