Porsche Cayman purchase: how much weight do you give a borescope?
2007 Porsche Cayman S, about 62,000 miles. Looking at an older Cayman S with good records. I keep seeing buyers emphasize borescope/PPI work on this generation…
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Repairs & Ownership
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Anyone else: Porsche Cayman purchase: how much weight do you give a borescope?
2007 Porsche Cayman S, about 48,000 miles. Looking at an older Cayman S with good records. I keep seeing buyers emphasize borescope/PPI work on this generation…
2020 Toyota Tundra — catalyst efficiency code but car drives normally
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…
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This started as a small annoyance and I finally decided to track it down. A catalyst efficiency code came back after clearing once. The car drives normally and…
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This started as a small annoyance and I finally decided to track it down. 2023 Nissan Z Performance, about 59,000 miles. A catalyst efficiency code came back a…
Need advice: Random misfire code but engine feels fine
2024 Mazda MX-5 Miata Club, about 22,000 miles. Scanner showed a cylinder-specific misfire code after one rough start, but the car feels completely normal now.…
2022 BMW X3 M40i — question: Oil level dropping between changes — how much is too much?
I've started checking the dipstick every 500 miles and the level is definitely moving down between oil changes. No obvious puddles and I don't see smoke. At wh…
2004 Toyota Land Cruiser — rough idle disappears just above idle speed
2004 Toyota Land Cruiser, about 210,500 miles. Idle has a slight shake once fully warm, but 100–200 RPM above idle it smooths out. No major loss of power. Woul…
2024 Subaru WRX — catalyst efficiency code but car drives normally — second opinion before I spend money
2024 Subaru WRX Premium, about 38,000 miles. A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire codes.…
Anyone else: Porsche Cayman purchase: how much weight do you give a borescope?
2007 Porsche Cayman S, about 96,000 miles. Looking at an older Cayman S with good records. I keep seeing buyers emphasize borescope/PPI work on this generation…
2021 Toyota Highlander — 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…
Anyone else: Porsche Cayman purchase: how much weight do you give a borescope?
Looking at an older Cayman S with good records. I keep seeing buyers emphasize borescope/PPI work on this generation. For someone vetting listings, what would…
Need advice: Random misfire code but engine feels fine
2022 Volvo XC90 Recharge, about 8,200 miles. Scanner showed a cylinder-specific misfire code after one rough start, but the car feels completely normal now. Pl…
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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…
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…
2018 BMW 340i — oil level drops between services with no puddle
2018 BMW 340i xDrive, about 31,000 miles. I started measuring the oil level every few hundred miles and it is definitely falling between changes. There is no o…