Envision surface rust underneath a winter daily — 2024
There is early surface rust on brackets, fasteners and seams underneath, but nothing structural. For a salt-belt car, what treatment slows it down without crea…
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Repairs & ownership
2018 Infiniti Q50 — delayed engagement into Drive when cold
Looking for a sanity check. 2018 Infiniti Q50. It's at 76,500 miles. After sitting overnight, shifting from Park to Drive can take a second or two before the v…
X3: alignment still pulls after tires were rotated
Car started pulling slightly right after a tire rotation. Alignment printout is technically in spec. Is it worth cross-rotating tires to check radial pull befo…
Windshield replacement created a highway whistle — 2024 1500
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…
2021 Audi A6 — pPI found $1,800 of upcoming work — second opinion before I spend money
Inspection found several real maintenance items but nothing catastrophic. I still like the car. Do you treat the shop estimate as a dollar-for-dollar negotiati…
Sanity check: new tires are much louder than the old set — 2023
In San Diego, same size and pressure, but the new tires create noticeably more highway hum. Is this usually tread pattern/compound, or should I verify balance…
Golf R: no crank with full dash power, then it starts later (Miami)
In Miami, twice I have had full lights and accessories but no crank. After waiting a few minutes it starts normally. Battery terminals look clean. What would y…
Sanity check: single-cylinder misfire comes and goes — 1988
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…
Golf R: windshield replaced — does camera calibration matter
In California, a new windshield is installed and there is no dash warning, but the shop recommends camera calibration. Thoughts?
Bronco a/C is cold while driving, warm at stoplights
A/C gets properly cold on the highway but becomes noticeably warmer at long lights. It cools down again almost immediately once the car is moving. Could this s…
DetailHauler4Community StarterMay 26, 20262023 Ford Bronco BadlandsSalt Lake City17 replies0 helpful
Escape coolant loss: coil replacement did not answer the question — P0303
The misfire is on the invoice, while the changing coolant level is absent. Background: There is no clear puddle, but the cold coolant mark keeps moving down. S…
Sanity check: brake fluid is old but still looks clean
Quick one about the WRX. Fluid looks clear in the reservoir but has been in the car for several years. Would you change based on time/moisture rather than appe…
2021 Nissan Rogue — inside shoulder wearing much faster than rest of tire (NYC / Long Island)
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…
Tucson timing code after service: how to document without blaming? — P0011
The oil invoice and diagnostic estimate disagree about the installed specification. (Background: The warning appeared after maintenance and the idle is occasio…
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…
BoostCamper418Community StarterMay 24, 20262023 Subaru Outback WildernessWashington DC17 replies0 helpful
Short-trip driving and oil-change intervals — 2018
The car gets lots of cold starts, idling and short trips with few long highway runs. The factory interval feels long for that use. How would you set an interva…
Rogue brake fluid is old but still looks clean — 2021
Fluid looks clear in the reservoir but has been in the car for several years. Thoughts?
2025 Porsche Macan — first used oil analysis — what should I care about
Thinking about sending an oil sample in mostly to establish a baseline. For a normal street car, which numbers are actually useful over time and which ones do…
Sanity check: driver seat clicks when cornering (Charlotte)
Noticed this on the Ioniq 5: i can feel a small click through the seat base during left-right transitions. Bolts appear tight and the seat motor works. Anyone…
M340i: extended warranty on a used luxury car
I am buying a used luxury car just outside factory warranty. Dealer is offering a service contract that is not cheap. What exclusions, labor caps, deductibles…