Rogue: fuel trims are positive at idle and improve with RPM (Florida)
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…
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Repairs & ownership
Air: dealer says they can't reproduce the problem — 2025
Air: dealer says they can't reproduce the problem — 2025. Thoughts?
Do shorter oil intervals actually make sense for my use — 2023 Wrangler
Most of my driving is short trips with a lot of idling, but the factory interval is pretty long. I'd rather not waste oil, but I also plan to keep the car past…
Anyone else: what should a real pre-purchase inspection include?
I am paying an independent shop to inspect a used car. Besides a scan and putting it on a lift, what should I ask them to check so it is more than a quick stat…
2021 Mercedes-Benz GLC — a/C is cold while driving, warm at stoplights
Looking for a sanity check. A/C gets properly cold on the highway but becomes noticeably warmer at long lights. It cools down again almost immediately once the…
TrailLearner77Community StarterJan 12, 20262021 Mercedes-Benz GLC 300Upstate New York2 replies0 helpful
GS car pulls right even though alignment is green (New Jersey)
Alignment printout is within spec, but the car still wants to drift right on a flat road. Tire pressures match. Would you cross-rotate tires to check radial pu…
2025 Honda Civic — do shorter oil intervals actually make sense for my use
Quick one about the car. Most of my driving is short trips with a lot of idling, but the factory interval is pretty long. I'd rather not waste oil, but I also…
SmoothDriver8Community StarterJan 11, 20262025 Honda Civic Sport Touring HybridSalt Lake City9 replies0 helpful
Delayed engagement into Drive when cold (Tampa)
Looking for a sanity check. After sitting overnight, shifting from Park to Drive can take a second or two before the vehicle actually engages. Once warm it beh…
Model Y: new tires are much louder than the old set
This started as a small annoyance and I finally decided to track it down. Same size and pressure, but the new tires create noticeably more highway hum. Is this…
GarageDaily513Community StarterDec 29, 20252024 Tesla Model Y Long RangeSacramento12 replies0 helpful
2022 Lexus GX — car died once at a light and restarted immediately
The engine shut off at a stop once, restarted right away, and has been normal since. No warning stayed on. What data or checks would you prioritize before trus…
Focus: dealer cannot reproduce an intermittent warning (Brooklyn)
I have brought the car in twice for the same intermittent warning and both visits ended with could-not-reproduce. I have video and timestamps. What is the best…
Sanity check: coolant level slowly drops with no puddle
Reservoir moves from full to low over a few weeks. No puddle, no obvious hose leak, and the oil looks normal. Is a pressure test the next logical step or is th…
SmoothGuy86Community StarterJan 2, 20262024 Land Rover Defender 110 P400Boston / New England5 replies0 helpful
2023 Lincoln Navigator — inside shoulder wearing much faster than rest of tire
Front tires look fine from the outside but the inner shoulders are nearly done. Car is lowered a little. I'd rather fix the alignment than just keep buying tir…
Delayed engagement into Drive when cold — Phoenix owner — 2018 Q50
After sitting overnight, shifting from Park to Drive can take a second or two before the vehicle actually engages. Once warm it behaves normally. Would you sta…
LongMilesCommuter998Community StarterJan 10, 20262018 Infiniti Q50 Red SportPhoenix5 replies0 helpful
Stinger new pads squeal at parking-lot speeds
Pads and rotors were replaced recently and stopping performance is good, but there is low-speed squeal. Hardware was cleaned and lubricated. How long would you…
2020 Kia Stinger — catalyst efficiency code but car drives normally — trying to narrow this down
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…
2024 Tesla Model Y — check-engine light turned itself off — still scan it
The light was on for two days and then disappeared before I could schedule service. Car feels normal. Is there still likely to be useful stored or pending data…
Altima delayed engagement into Drive when cold
On cold mornings, shifting from Park to Drive takes a second or two before the car actually engages. Once warm it's instant and shifts fine.
Dealer cannot reproduce an intermittent warning — 2018 340i
I have brought the car in twice for the same intermittent warning and both visits ended with could-not-reproduce. I have video and timestamps.
Sanity check: windshield replacement created a highway whistle (Washington DC)
A windshield was replaced and now there is a whistle around highway speed that did not exist before. Glass looks seated. Any simple way to locate the air leak…
ProjectNomad253Community StarterJan 10, 20262023 Jeep Wrangler RubiconWashington DC3 replies0 helpful