r/askcarguys • • 4h ago

Mechanical Can someone take only 10 minutes to determine your car engine is toast?

14 Upvotes

I have a 200,000km 2010 Toyota RAV4 and brought it to a mechanic for indicated check engine + 4WD lights. I walked out of the shop and he called me 10 minutes later to come back telling me my engine was no good and one of the cylinder is way below compression PSI level (90) and an engine replacement is required.

I initiated this appointment to address the issue prior to selling the car and he recommended me to not spend money on the engine and just sell it to a dealership as is. I appreciated his honesty and he didn't charge me and this was all verbal findings by the way with no written report, but I can't help but feel the inspection may not have been thorough given it was 10 minutes?


r/askcarguys • • 2h ago

Kia dealer misdiagnosed my A/C, charged $536 CAD for useless recharge, and refuses to refund. Options?

3 Upvotes

Hi everyone, need advice on a dealership issue in BC, Canada.

  1. A/C stopped working. Kia dealer said there were no leaks, just needed a refrigerant recharge ($536 CAD). I paid, but A/C still didn't work.
  2. Next, they replaced the A/C vent door under warranty ($0). Still no cold air.
  3. They checked it again and now say the compressor needs to be replaced under warranty ($0).

Since the real issue was a faulty warranty component all along and the $536 recharge was completely useless due to misdiagnosis, I asked for a refund. The dealer refused.

What should I do?


r/askcarguys • • 9h ago

Would it be odd to knock on someone’s door to offer to buy their car?

9 Upvotes

A little backstory, I was driving home from work this evening when I saw a pristine Mustang King Cobra II in someone’s yard, and I’ve been in the market for a mustang for a couple months

Would it be odd to knock on his door to ask about buying it? One concern I do have is it was off a country road so it may be a little extra odd for the owner to have someone knocking at their door


r/askcarguys • • 2h ago

General Question EV owners of r/carguys, how much battery charge have you actually recovered while driving downhill stretches?

2 Upvotes

I was reading about regenerative braking in EVs and found it pretty interesting.

Basically, when you're going downhill or slowing down, the electric motor can work as a generator and send some of that energy back into the battery instead of wasting it all as heat through the brakes.

Got me thinking about how useful this could be on long downhill stretches, especially when driving through hilly or mountainous terrain. In theory, you could start a descent with a certain battery percentage and end up with slightly more charge at the bottom.

I'm curious about the actual numbers.


r/askcarguys • • 5h ago

Mechanical Is shifting into Neutral before applying the parking brake actually necessary?

2 Upvotes

When parking on a hill or in general, is it better to:

Stop → Parking brake → Park.

Or

Stop → Neutral → Parking brake → Park.

Does the second method actually protect the parking pawl better, or is the Neutral step unnecessary?


r/askcarguys • • 1d ago

General Question Usually cool cars have horrible mpg (muscle cars/trucks), and efficient cars (Prius) are un-cool. What’s the most fuel efficient car that you still consider cool?

264 Upvotes

r/askcarguys • • 11h ago

General Advice How do I sell a vintage motorcycle with an unusual title situation?

7 Upvotes

Hi. I have an unusual situation regarding the title registration of a 1965 vintage motorcycle, and could really do with some help.

A few years ago, my father-in-law in PA passed away and he had a 1965 BMW R60/2 motorcycle. At the time, we couldn't find the original title document. Therefore, my sister-in-law (via power of attorney) inherited the motorcycle. As we didn't have the original title, and I said I would take on the ownership of the bike, my sister-in-law "sold" me the motorcycle and we sent a bill of sales and a registration application to Vermont as we understood that was the only way to do things without an original title. A registration document came back with a Vermont license plate. However, the registration had my sister-on-law's name on it.

After all of that, we found the original title certificate (it was a Maryland title).

If I wanted to sell this bike now, I am confused about what we would need to do? Would my sister-in-law just have to sign the transfer of ownership part on the Vermont registration to a new owner? We are all in PA.

Any help would be really appreciated. Thanks


r/askcarguys • • 3h ago

General Question what's the best first car?

1 Upvotes

what's the best first car for like under 10k. and is 5th gen mustang or a 1st gen miata better for new driver?


r/askcarguys • • 3h ago

General Advice Just bought a 2017 Hyundai Accent. Maintenance advice?

1 Upvotes

I bought a Hyundai Accent 2017 with 93000 miles on it. What maintenance stuff should I keep in mind? Want it to last for 200k miles.


r/askcarguys • • 3h ago

My car keeps stalling what’s wrong?

1 Upvotes

Yo I have a shitty ass 2014 jeep patriot earlier today it stalled and my car was on E so I thought gas was the problem but I’ve gotten gas already it drove me the rest of the day but just now it crapped out on me I turned it off and back on and it continued driving I parked up because I’m nervous to drive it on the road that’s the weird part even earlier when I turned it off and on it started up like normal and just now it actually drove me the electrical systems still seem to work too like my lights and radio still turns on and on the dash it still lights up too


r/askcarguys • • 10h ago

Should I change trans fluid?

3 Upvotes

I have a 2017 v6 automatic Mustang. I can’t remember the last time it’s had its transmission fluid changed but jiffy lube wanted to do it. Should I have it dumped and filled or flushed or leave it? I’m at 100,000 miles currently


r/askcarguys • • 5h ago

Is shifting into Neutral before applying the parking brake actually necessary?

0 Upvotes

When parking on a hill or in general, is it better to:

Stop → Parking brake → Park.

Or

Stop → Neutral → Parking brake → Park.

Does the second method actually protect the parking pawl better, or is the Neutral step unnecessary?


r/askcarguys • • 6h ago

General Advice I’m a college girl whose car is getting old and I have no idea what to replace it with. What car would yall suggest?

1 Upvotes

Hii my name is Bella and I currently drive a standard Toyota SUV that my mom gave to me before I went to school. We’ve had it for awhile now and it’s getting up there in mileage and it’s been having break issues lately so my mom and I decided it’s time to start looking for a new car.

I do have a couple preferences, but I just have no idea where or how to start looking for something that will do what I want.

I’m an avid camper and I also just got my boaters license and want to be able to take my family’s boat out once I become more proficient, so I was thinking it might be smart to get a truck?

I’d like something I can hitch a boat onto, strap a canoe or kayak on top of, and also something I can still fit plenty of friends in for when we’re going out together.

Some less important wants I have are that I want a non black/grey/white color (also not red) and this would be my dream, but also a bench style front seat that can fit 3~

This is a realm that I am completely illiterate in and so is my family so I have no idea where to start asking and so I’m here! Sorry if this isn’t the purpose of this subreddit, thanks for any help you all give!


r/askcarguys • • 7h ago

General Advice Anyone buy a car from copra?

1 Upvotes

I see cars listed on Copart that look like a small project. Anyone have experience buying a totaled car?


r/askcarguys • • 7h ago

Announcement What if I redesigned the Koenigsegg Gemera interior ?

1 Upvotes

What if I redesigned the Koenigsegg Gemera interior ?

I wanted to explore a different design direction for this incredible hypercar, using my own vision, red and black leather, and distinctive custom details.

This is an independent automotive design concept by A.Mosavvar Design, not an official Koenigsegg design.

I'd genuinely like to hear your opinions: Would you choose this interior over the original, or would you keep Koenigsegg's factory design?

🎬 Watch the full redesign here:

https://youtube.com/shorts/m_4aKCibdEY

#Koenigsegg #Gemera #Hypercar #AutomotiveDesign


r/askcarguys • • 11h ago

General Question Help with Window Tint while crossing state lines?

2 Upvotes

Hi all - I bought my first car and I’m looking to get it tinted. In Mass, they allow 35% tint on the front windows. My family lives in NJ where I will be driving to regularly. In NJ, no tint on front windows are allowed. Will cops pull me over and ticket me even with a Mass license plate? I will also be driving through NY which also does not allow it I believe. Would you just not get your front windows tinted if you were me? Thanks!


r/askcarguys • • 14h ago

General Advice A beautiful road isn't always a great driving road. What makes the difference for you?

3 Upvotes

I've been thinking about how different a scenic road can be from a genuinely enjoyable driving road.

You can have incredible mountain views, but if the road is full of traffic, the surface is terrible, or every corner has zero visibility, it isn't necessarily that much fun to drive.

On the other hand, an ordinary country road with good visibility, a nice flow between corners, and barely any traffic can be surprisingly enjoyable, even at perfectly legal speeds.

Personally, I think a good driving road needs a balance between scenery, road conditions, visibility, and traffic.

What matters most to you? And what's a road you've driven that really got that balance right?


r/askcarguys • • 17h ago

Air/tire check without any other service?

5 Upvotes

Hi there,
I'd be exaggerating to say I'm disabled but I'm an old man and it's really tough for me to kneel down to check or fill my tires these days. I know places like "10 minute oil change", Tuffy muffler" etc. will do it as part of their oil change service but I was wondering if they'd do a quick tire check and fill between oil changes.
My cars tire pressure monitor tends to go on at the slightest pressure drop. I wouldn't mind paying a few bucks just to get 'em checked and filled if need be.
Whatcha think? Any advice or chain service ideas?
Thanks.


r/askcarguys • • 9h ago

Audi Q7 Rear Bumper Gap — Red Flag?

1 Upvotes

Hi everyone,

My wife and I are considering purchasing a used Audi Q7 from an Audi dealership, but we noticed something concerning during our inspection.

The rear bumper cover appears to have separated near the weatherstripping, leaving a gap of approximately half an inch. I can see some of the clips through the gap, but I can't tell whether they're broken or simply disengaged.

The Carfax report shows no accidents. However, the vehicle's official service records mention a “sensor drop off” followed by reinstallation.

I asked the sales manager to restore the bumper to its original, properly aligned condition before we purchased the vehicle. He said they could try to pop the bumper back into place if a clip was loose, but they couldn't guarantee in writing that the issue would be fixed. He also mentioned that a full rear bumper alignment could involve more extensive work.

I contacted the service manager at another Audi dealership where we regularly service our vehicles. After hearing the details, he considered this a potential red flag and said he personally would hesitate to purchase the vehicle.

For context, the bumper appears to fit flush against the body on both the left and right sides. The gap is along the rear portion of the bumper near the weatherstripping, and it appears relatively uniform.

I'm not very familiar with Audi bumper construction, so I'd appreciate input from anyone with experience in Audi bodywork or collision repair.

  1. Based on the photos, what components could cause this type of gap? Could it be a loose clip, a broken retaining tab, a damaged bumper guide bracket, or something else?
  2. Could the gap be related to the previous “sensor drop off/reinstallation” service record?
  3. Is it possible for a bumper to have this kind of gap without the vehicle having been in an accident?
  4. What would a body shop typically inspect to determine the underlying cause?
  5. Would you consider this a reason to walk away from the purchase unless an independent collision center inspects it first?

I'm not asking for a repair estimate. I'm mainly trying to understand what might be causing the gap, what the inspection process should involve, and whether this is a concerning sign when buying a used Q7.

Thanks for your help!


r/askcarguys • • 10h ago

General Advice Hyundai i20 Sportz (O) IVT — Must-have accessories and what to avoid?

1 Upvotes

Recently bought a Hyundai i20 Sportz (O) IVT in Bangalore. What are the must-have accessories I should buy, and which accessories should I avoid?
Looking for genuine recommendations based on your ownership experience. Thanks!


r/askcarguys • • 10h ago

Hyundai i20 Sportz (O) IVT — Must-have accessories and what to avoid?

1 Upvotes

Recently bought a Hyundai i20 Sportz (O) IVT in Bangalore. What are the must-have accessories I should buy, and which accessories should I avoid?
Looking for genuine recommendations based on your ownership experience. Thanks!


r/askcarguys • • 16h ago

Help with a school survey?

3 Upvotes

Hi everyone! I'm conducting a High School research engineering project investigating wind buffeting when driving two-door coupes with the side windows open. I'm looking for current or recent owners of vehicles such as the Ford Mustang, Chevrolet Corvette, Camaro, Dodge Challenger, and other two-door coupes to share their experiences. The survey takes less than 3 minutes and asks about your vehicle, interest, and experience with wind buffeting. Your participation is optional, but your feedback will help me better figure out how different coupe designs and driving conditions affect wind buffeting.

Survey link: https://docs.google.com/forms/d/e/1FAIpQLSdEIxSHNbodjJVZ-AD_L9DPKE3ALZ5iHlod5gZQX7eMADdgRw/viewform?usp=header

Thank you for helping with my research! Feel free to share this post with other coupe owners, if permitted by the group.


r/askcarguys • • 11h ago

Help!?

1 Upvotes

Can someone explain why this might be happening???
Nissan Murano 2014
My car drives great until I drive uphill over 80mph. Utah highways are new to me and that’s the posted limit. The RPMs in my car go up while I’m pressing the gas and then it goes back down on its own while I’m trying to go fast. You can hear the motor is trying to work harder . It goes up and down while trying to maintain velocity. Before I take it into the shop, I’m a girl who knows nothing about cars and I don’t want to be taken advantage of going in clueless.


r/askcarguys • • 11h ago

General Advice Is buying one of these cars a bad idea?

1 Upvotes

First time buying a car. Want a nice, smooth, quiet ride for under $16k with a little space and okay gas mileage. Don’t want to fork over a TON for repairs and maintenance but I’m okay setting aside the money for an alright car. I’ll probably put 400-500 miles a week on it until I move somewhere else.

I obviously want it to be safe drive as well.

Is this a horrible idea? link to cars

Used 2019 Mercedes-
Benz CLA 250 - 75k miles - $15k

Used 2018 Mercedes-Benz C-Class C 300 - 54k miles - $15k


r/askcarguys • • 11h ago

General Question Did someone try to unlock my car?

0 Upvotes

I own a 2021 Range Rover velar and I usually park it outside the house. This morning when I woke up, the back door handle was popping out. I tried to open the door but it was locked, just the door handle popping out. The weather is warm and yesterday I locked the car before entering the house. Did someone try to unlock my car? I’m worried and confused