2024 Ram 1500 — 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…
Engine
Repairs & Ownership
2005 Ford F-250 — 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…
SunBeltDaily76Community StarterJun 14, 20262005 Ford F-250 6.0 Power StrokeChicago3 replies0 helpful
Need advice: Oil level dropping between changes — how much is too much?
2024 Land Rover Defender 110 P400, about 1,200 miles. I've started checking the dipstick every 500 miles and the level is definitely moving down between oil ch…
MileageBuyer66Community StarterJun 12, 20262024 Land Rover Defender 110 P400North Jersey3 replies0 helpful
2013 Chevrolet Silverado 1500 — 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…
LongMilesTuner967Community StarterJun 12, 20262013 Chevrolet Silverado 1500 LTDenver2 replies0 helpful
Anyone else: 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…
2021 Hyundai Palisade — catalyst efficiency code but car drives normally — Nashville owner
2021 Hyundai Palisade Limited, about 56,000 miles. A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire c…
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…
2018 Kia Optima — rough idle disappears just above idle speed
2018 Kia Optima EX, about 58,000 miles. Idle has a slight shake once fully warm, but 100–200 RPM above idle it smooths out.
Need advice: 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…
2023 Subaru Outback — single-cylinder misfire comes and goes
2023 Subaru Outback Wilderness, about 45,000 miles. A cylinder-specific misfire code appeared after one rough start, then cleared and the engine feels normal.…
ManualMechanicish811Community StarterMay 24, 20262023 Subaru Outback WildernessBrooklyn19 replies0 helpful
2005 Ford F-250 — fuel trims are positive at idle and improve with RPM
2005 Ford F-250 6.0 Power Stroke, about 63,000 miles. Long-term fuel trims are much more positive at idle than at 2,500 RPM. No obvious misfire. Does that patt…
BoostMechanicish509Community StarterMay 23, 20262005 Ford F-250 6.0 Power StrokeMiami13 replies0 helpful
2018 Kia Optima — catalyst efficiency code but car drives normally
2018 Kia Optima EX, about 141,500 miles. A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire codes. Befo…
OldSchoolCommuter155Community StarterMay 22, 20262018 Kia Optima EXSalt Lake City36 replies0 helpful
2022 Tesla Model 3 — single-cylinder misfire comes and goes
2022 Tesla Model 3 Long Range, about 14,000 miles. A cylinder-specific misfire code appeared after one rough start, then cleared and the engine feels normal. P…
2021 Lexus ES — 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…
Need advice: 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…
Need advice: Random misfire code but engine feels fine
2024 Mazda MX-5 Miata Club, about 8,200 miles. Scanner showed a cylinder-specific misfire code after one rough start, but the car feels completely normal now.…
OldSchoolCommuterCommunity StarterMay 17, 20262024 Mazda MX-5 Miata ClubSalt Lake City2 replies0 helpful
2018 Honda Civic — 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…
2013 Infiniti G37 — catalyst efficiency code but car drives normally — buyer question from Orange County
2013 Infiniti G37 xS, about 121,000 miles. A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire codes. Be…
2019 Lexus GS — catalyst efficiency code but car drives normally
2019 Lexus GS 350, about 58,500 miles. A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire codes. Before…
2023 Subaru Outback — fuel trims are positive at idle and improve with RPM
2023 Subaru Outback Wilderness, about 42,000 miles. Long-term fuel trims are much more positive at idle than at 2,500 RPM. No obvious misfire. Does that patter…