2013 Toyota Prius — long crank only after filling the fuel tank
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…
Engine
Repairs & Ownership
Small oil leak or just old residue?
2023 Acura Integra A-Spec, about 118,000 miles. There is a damp area around the lower side of the engine but nothing reaches the ground overnight. I cleaned it…
2020 Acura RDX — long crank only after filling the fuel tank
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…
1968 Ford Mustang — single-cylinder misfire comes and goes
1968 Ford Mustang Fastback, about 252,500 miles. A cylinder-specific misfire code appeared after one rough start, then cleared and the engine feels normal. Plu…
2022 Volvo XC90 — catalyst efficiency code but car drives normally
2022 Volvo XC90 Recharge, about 35,000 miles. A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire codes.…
2014 Ford Mustang — oil level drops between services with no puddle
I started measuring the oil level every few hundred miles and it is definitely falling between changes. There is no obvious puddle and I do not notice smoke. H…
1988 Toyota Land Cruiser FJ62 — question: Random misfire code but engine feels fine
Scanner showed a cylinder-specific misfire code after one rough start, but the car feels completely normal now. Plugs aren't that old. Would you swap coils to…
2024 Buick Envision — ticking noise follows RPM but fades when warm
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…
Question: CX-5 turbo oil level drops before service interval
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…
2020 GMC Yukon — single-cylinder misfire comes and goes
2020 GMC Yukon Denali, about 46,000 miles. A cylinder-specific misfire code appeared after one rough start, then cleared and the engine feels normal. Plugs are…
2018 Kia Optima — oil level drops between services with no puddle
I started measuring the oil level every few hundred miles and it is definitely falling between changes. There is no obvious puddle and I do not notice smoke. H…
2022 Lexus GX — catalyst efficiency code but car drives normally
2022 Lexus GX 460, about 60,500 miles. A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire codes. Before…
2018 Subaru Forester — single-cylinder misfire comes and goes
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…
2025 BMW M3 — fuel trims are positive at idle and improve with RPM
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…
2022 Ford Maverick — long crank only after filling the fuel tank
2022 Ford Maverick XLT Hybrid, about 86,000 miles. The car starts normally most of the time, but after filling the tank it occasionally cranks longer and runs…
2018 Volvo S90 — long crank only after filling the fuel tank
2018 Volvo S90 T6, about 134,000 miles. The car starts normally most of the time, but after filling the tank it occasionally cranks longer and runs rough for a…
1988 Toyota Land Cruiser — single-cylinder misfire comes and goes
1988 Toyota Land Cruiser FJ62, about 72,500 miles. A cylinder-specific misfire code appeared after one rough start, then cleared and the engine feels normal. P…
2023 Subaru Outback — oil level drops between services with no puddle
2023 Subaru Outback Wilderness, about 31,000 miles. I started measuring the oil level every few hundred miles and it is definitely falling between changes. The…
V8Collector191Community StarterApr 14, 20262023 Subaru Outback WildernessNorthern Virginia6 replies0 helpful
2024 Ford F-150 — long crank only after filling the fuel tank
2024 Ford F-150 Lariat 3.5 EcoBoost, about 36,000 miles. The car starts normally most of the time, but after filling the tank it occasionally cranks longer and…
DailyMiles859Community StarterApr 13, 20262024 Ford F-150 Lariat 3.5 EcoBoostMiami6 replies0 helpful
2024 Lexus RX 350h — small oil leak or just old residue?
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…