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Compression ignition in petrol engines

First and foremost, this is not a question about reparing or maintenance. I'm familiar with how both petrol and diesel engines work, and I have a question about (possibly) making petrol engines more ...
0
votes
0answers
4 views

Nissan X-Trail T31 A/T error when put it in manual mode

I have a Nissan X-Trail 2010 T31 with 138.000kms automatic, and when i put the gear stick in manual mode (sequential mode), nothing happens! I can't change gears manually. It seems to be disabled. ...
1
vote
1answer
19 views

Can a vibrating rubber hose safely rest again a stationary smaller metal line?

I've recently had an AC system repair done on my car, since the AC clutch coil thermal fuse went out without a reason, and the compressor needed a new coil or it wouldn't operate at all. However, i'm ...
0
votes
0answers
11 views

Possible engine failure

my brother was driving his 05 murano at a pretty high speed, the car just slows down on it’s own cuz it won’t accelerate and when tried to turn it back on , it would click one time but won’t turn over?...
0
votes
1answer
14 views

Setting the car to “park” for a long time [on hold]

I have Toyota Corolla 1995. Suppose I set the car to "park" for a day continuously. https://www.google.com/search?q=toyota+car+park+neutral&rlz=1C1CHBF_enUS857US857&source=lnms&tbm=isch&...
0
votes
1answer
9 views

Music playback on an old car

I have a BMW 525i E60 2005 which doesn't have aux , bluetooth or USB. It however does have a CD player which I have been having to use for the time being. I need a way of playing songs from either ...
0
votes
1answer
366 views

2007 93 saab has white smoke coming from under the hood

I was driving to work and noticed white smoke coming from under the hood. I noticed my low coolant light came on and I drove to my destination, then shut off the car. I have not done anything as of ...
1
vote
0answers
4 views

OBD2 not showing up under Bluetooth devices

When plugged into one car it shows up but in the other one it doesn't. So I know the obd2 itself scanner is not dead. In the working vehicle all functions are working. works in 2005 Porsche Cayenne. ...
2
votes
1answer
15k views

Riding mower won't start with new battery

I bought an old riding lawn mower (B&S 12HP). To start it, I had to jump it from a car. The battery also looked old, so I replaced it with a new one. When I tried to start it with the new ...
0
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0answers
13 views

Here’s a challenge

My car is making a rapid clicking sound. It sounds like it is coming from the dash and the sound is much louder inside than outside. This only happens once the car is turned off. It does this off and ...
1
vote
0answers
14 views

Is 7% refrigerant loss per year worrying?

I some time ago had my car's air conditioning system serviced, when the car was 2.5 years old. It was functioning okay, but I opted for the service because I wanted to have a measurement of the ...
0
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0answers
9 views

What is this key hole used for, it is located under my hand brake(See the attached picture)

I own a 2003 Ford Focus, made for EU and I wonder for what is this key hole designed for.
0
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0answers
10 views

High Mounted 3rd Brake Light Not Functioning

I have a 2013 Jetta TDI with 34k. The third brake light doesn't work, I tried the flashers ... still doesn't work. I don't have a meter, so I can't tell if there's power to the wires. I did take the ...
3
votes
1answer
2k views

How To Diagnose 3rd Brake Light (Without Proper Equipment)

I have a 2012 Ford Focus (sedan version). The third brake light stopped working recently and I'm trying to determine if the problem is with the light itself or inside the vehicle, but a I have very ...
1
vote
0answers
11 views

Hyundai ix35 clicking turning wheel and rattling going over bumps

Hi my name is Kris carter I own ix35 I have couple of issues clicking noise when turning steering wheel and rattling noise when going over bumps. I’ve had front suspension and control arm replaced I’m ...
0
votes
4answers
54 views

Bad battery, or something more?

I have a 2005 Ford Freestyle, I’ve been doing a lot of front end work on it and had the radio on In it one day for a substantial amount of time, maybe 6 hours. Needless to say it died and later that ...
7
votes
1answer
114 views

O2 sensor replacement

I'm leaving on a 800 mile trip tomorrow and check engine light came on. Took it to autozone and computer said it was the o2 sensor. Is this something that should be replaced prior to the trip or can ...
0
votes
0answers
8 views

Alternator sudden voltage drop after engine running for 2 minutes

My battery lamp in the gauge cluster turns on after the car have been running for approx 2-3 minutes. I have measured the voltage and when I start the engine and when it's running for the first 2-3 ...
1
vote
0answers
19 views

Can someone help to find the root cause of this oil leak?

I am trying to locate the root cause from where this engine is leaking oil so that I can buy all the right gaskets. What confuses me is that highest spot where the oil traces are visible is around ...
8
votes
9answers
65k views

Is it all right to clean a car radiator with vinegar and chlorine?

I got the idea from this article, where it suggests cleaning your washing machine using chlorine bleach and then vinegar. I have successfully used this method to clean my household washing machine ...
0
votes
1answer
6 views

Hyundai electrical

When switching car off unable to get key from the switch. The switch will not go past acc. point. Remove battery ground cable then able to switch to lock position and remove key.
21
votes
7answers
7k views

How slow ( not zero) can a car engine run without hurting engine and saving on fuel

New cars have stop-start system (even though this has been available for a long time). My question is: why are car companies emphasizing shutting the engine down at a traffic light, rather than making ...
1
vote
0answers
17 views

My car brakes gets stuck sometimes

I have a Honda Jazz, and sometimes when I step on the brakes it sometimes gets stuck. It's like there's compressed air preventing the brake pedal to go all the way to the bottom. As I release and step ...
3
votes
3answers
69 views

Cannot find the paint color on Ford Focus 2003

I'm searching for paint to paint my replacement bumper on my European 2003 Ford Focus 4 door Berline and I cannot find the paint code in any list online This is the plaque that was under the hood (was ...
0
votes
1answer
38 views

Ticking in my Engine

I have a 1996 Honda Civic every time I press the gas pedal it makes a clicking noise and when I let up on the gas pedal it stops making the ticking noise. I took it into a shop they said I need to ...
0
votes
2answers
25 views

How to determine exact amount of oil in a refrigerant system?

Our all components and refrigerant pipes are new. As far as we know, Compressor is sold with oil inside of it. Do you think should I add extra oil into system after I assemble all system or Is the ...
0
votes
2answers
29 views

2011 Ford F-250 brake pedal goes to floor when pushed after driving at high speeds above 60 mph

After driving for a few minutes above 60 mph when you apply the brakes the pedal goes to the floor. Pedal returns when pumped. All other times the brakes work fine. Took to Ford dealer they said it ...
2
votes
3answers
42 views

Can I keep a second car starter battery around as a backup?

I replaced my <1 year old car battery with a new one during troubleshooting, but the actual problem I had was the alternator. So now I have 1 new car battery and 1 used but good battery (and I can’...
0
votes
2answers
59 views

Is this tire dangerous to drive with or is it driveable. Only one that has damage

Mustang 2011 don’t know how this happened to this one tire. Recently purchased the car, maybe happened when driving over potholes don’t know. Had this car for 3 weeks so far and noticed I had this ...
2
votes
2answers
27 views

Remove weird stuck-on substance from windshield

On a recent trip, while sitting in the passenger seat, I noticed something strange by the edge of the windshield. At first I was afraid that the windscreen got chipped, which would be upsetting given ...
0
votes
1answer
514 views

Mechanics left the cap off my radiator. Can this cause proven damaged to my engine?

I had a service done on my car I drove my car home (40 min drive) and noticed the heating wasn't working. I checked under the bonnet the next day and there was no liquid in the radiator reservoir and ...
5
votes
2answers
28k views

Is vibration for a new clutch job normal?

I have a 2005 Toyota Camry (Manual Transmission). My clutch died on me last week - couldn't accelerate. I had the clutch replaced at a local mechanic. Now when I start the car off in first gear the ...
1
vote
1answer
33 views

How to correctly jack up the front of a 2005 Mazda 6

I did a fair amount of research before trying to jack up the front of this car. I watched some videos of people jacking up similar (but not identical cars), and I pulled this image from the web: ...
1
vote
1answer
100 views

CMP/CKP correlation vs Ignition timing Vortec 5.7L

I own a 1996 Chevy Tahoe. It is a 5.7L Vortec with 4 door. The engine is knocking and pinging and the power is sluggish after there were some servicing done and I can see that the CMP/CKP correlation ...
0
votes
0answers
19 views

Does coolant have a shelf life? [duplicate]

I have found some old opened bottles of coolant (green, undiluted, aluminum safe) in my garage, they've been opened and partially used. The remaining coolant has been there for somewhere between 5 ...
6
votes
3answers
2k views

Coolant in the cat, can it be saved?

The catalytic converter on a 2007 Mazda RX-8 is full of engine coolant. Is there any way this can be saved or do I need a new cat? It seems to me that coolant won't melt the cat like unspent fuel or ...
2
votes
1answer
29 views

2014 Ford Focus won't start at all

My vehicle died on me suddenly on the road today. It was stuttering for a few minutes hard prior to it dying. When I tried to jump it nothing happened at all, not a click, not a turn over, anything. ...
1
vote
1answer
23 views

Pontiac LeMans 1.6 TBI - fuel pressure problems

I have a Pontiac LeMans, 1989 year of manufacture, engine 1.6 with Rochester TBI 700. I think that I have a problem with a fuel pressure. Engine idling is bad. Engine idle has 800 rpm with ...
2
votes
4answers
59 views

Why do worn diesels emit black smoke?

I have often noticed that on the road, whenever a heavy diesel accelerates, it emits a huge cloud of black smoke. If this happens in front of me, I put the air recirculation mode on. This typically ...
1
vote
1answer
32 views

Superficial scratches

When getting my tires rotated, the guy scratched a few of my wheels, but when I touch them it’s not rough, it’s smooth. Is there anyway to remove these scratches? I’m getting new wheels and these are ...
3
votes
2answers
2k views

Rear window shatters after closing door

2017 Chevy Volt... Car is parked all day in an underground parking garage. After work I get in and close the door and hear a noise similar to ice crumbling on the rear window. I look back and see ...
13
votes
2answers
8k views

How does condensed water get sent out of an exhaust system?

We've all seen water dribbling out a car exhaust when we're following someone accelerating out of a stoplight. I know that the water is an inevitable product of combustion, but I find myself wondering ...
1
vote
1answer
53 views

Old motor exchanged for newer one. Practical “age” of the rest of the car?

I am currently driving a Ford Fiesta from 2011, now my Aunt has offered me to sell me her old Volvo V70 from 2007. All in all the deal would be roughly a zero-sum game as I could get about the same ...
1
vote
5answers
29k views

A/C works but doesn't blow out front dash vents

2004 Ford Freestar The A/C works all over the van, even the dash on top and sides, at least that's where I feel it. The vents that are on the front of the dash, the ones you can adjust to hit you, ...
2
votes
3answers
164 views

Civic overheating and hoses popping

My Honda Civic LX 2002 overheating me again this morning going to work. I already changed the thermostat, put in a new radiator, water pump and got it flush. Now I noticed that my hoses even popping ...
2
votes
1answer
129 views

Why buy an ECU with the highest version alphabet?

There is very little information online about the advantages of purchasing an ECU with the highest version alphabet - which means the most upgraded version. My question is - what kind of benefits ...
1
vote
1answer
71 views

Strange oscillating sound when decelerating

I got a VW New Beetle 2000 with a 1.9 TDI ALH engine. The gearbox is a 02J/EBJ. The car is 19 years old and odo shows 232400km. There is a strange sound for a very very long time, it was already the ...
1
vote
0answers
7 views

Steering and Ignition locked Alfa Romeo 1995 GTV Spider

I’ve recently bought an old Alfa Romeo 1995 GTV spider with the intention of getting it back to working order. The issue at the moment is that the steering wheel is locked and the key won’t turn ...
1
vote
2answers
40 views

Can vehicle engine reach redline in highest gear?

I’ve recently been researching how engines and transmissions work (Im a novice) and I was curious about what determines a vehicles top speed. Whilst trying to figure out gear ratios, I asked myself, ...
3
votes
3answers
25k views

Why do the front wheels of my car get so hot?

As soon as I've driven any distance, say 30 km at about 60 km/hr, when I stop the car I can feel heat from both of my front wheels. I compared the heat from my wheels to other vehicles and I can say ...

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