Questions tagged [engine]

Internal Combustion Engine. Most engines in road going vehicles are 4-cycle internal combustion gasoline engines.

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20 views

2013 Dart SXT Clunking/Grinding, Front Right

I own a 2013 Dart SXT, 140k miles. I typically do all my own maintenance, so most of the car is in decent shape. However, for the first time I took my car to a shop to get an alignment + 2 front tires....
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Is there a special procedure for preparing a new but very old stock engine?

I have a 1979 Austin morris (leyland,freight rover) Sherpa campervan 1979 model 230 with a "17v" "o" series engine 1.7 litre. I am soon to replace the engine with a new old stock (...
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Leakdown Test | EJ205 on Engine Stand and replaced all Valves

I have my EJ205 out of my 2003 WRX. I pulled the engine in the first place to troubleshoot a 90% pressure loss in Cylinder 4 (measured via a leakdown test with the Engine still in the car). The ...
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Smoke from engine, cranks but wont start

I came off the motorway to a slip road, slowing down to 20mph and about to turn when I saw smoke coming from my engine bay. Then all the lights on my dashboard (not just warning but all of them) ...
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Engine locked while driving

Hi I have a volvo 440 d13 motor. Driver could not get the truck started but dashboard displayed that it was in neutral and no faults appeared. A mechanic went to site and said that the truck was stuck ...
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Engine oil change from 15w50 to a higher viscosity

I have a 2000 Mitsubishi Lancer CK2 with a 4g15 dohc 16 valve engine. I've been using Valvoline VR1 15w40 engine oil and recently noticed its burning a bit more oil than usual. The tailpipe is clean ...
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57 views

Keeping a device in cigarette lighter

I own a Ford Fiesta 2006 when my car is turned off my cigarette lighter stays on as I only have one I use a 3 way cigarette lighter plug splitter adapter I use one port for the dash cam and one for an ...
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1answer
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my car can't climb even a small ramp

I own a Toyota IQ model 2010 I have been experiencing this issue from the past year that my car when stopped on a small ramp it wouldn't even climb. Then I have to reverse all the way and get some ...
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What is the meaning of this engine noise?

I got me 1998 5.4 v8 Ford van. My van makes a sound sometimes... usually when you accelerate just a lil bit and especially if the AC is on (not to confuse thangs too much). Or if you accelerate it a ...
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Engine performance

On a straight four diesel engine Can you replace some pistons bearings and leave other unchanged , Will that have any negative effects on the performance of the engine
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Testing whether engine stutter/hesitation is caused by catalytic converter

I have a 2005 Ford Expedition, from my dad, which stutters and hesitates to accelerate. Sometimes it barely has a problem and sometimes it's bad. It has new spark plugs and spark plug coils which the ...
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1answer
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Pros and cons of driving a vehicle with a misfiring cylinder

Check engine light came on for a Toyota Prius that is only being driven about once a month since COVID-19 pandemic began. OBD-II scanner shows P0302, which indicates the problem is a misfiring ...
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engine not cranking, it only gives click sound as I try to start

2009 Hyundai i20 engine died while driving and it is now not cranking. I have changed spark plugs but in vain
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Spark Plug Deposits

So, I pulled the spark plugs today to check to see how the engine is running. After pulling all 6 spark plugs, I've noticed there is a white deposit caked onto the spark plugs. I doubt this is normal ...
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My Solara 2005 showing hot steam coming under hood

I have been smelling something strange over a week and now catch it https://youtu.be/0tv9vBT_oKU It is shooting hot steam and I believe one time I saw a little bit red fire coming out from the right ...
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What if I added a little tap water to the engine coolant?

I had my engine coolant level at "below LOW" and I was sure there is a leak. So I added 0,5l of tap water (full capacity of coolant is 5l) to check for the leak. It turned out it is not a coolant leak ...
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crankshaft rotation R6

I am performing a valve adjustment, I have been reading the yamaha r6 workshop manual, and it tells me to rotate the crankshaft counterclockwise, by doing this I hear gear sounds that I did not like, ...
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5L vortec won’t start

Ok, so I hope this doesn’t seem like a stupid question. Take away all logical scenarios and just answer in theory. If a timing chain could jump exactly 180’ would the intake and exhaust valves reverse ...
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2012 VW Amarok is leaking oil into the overflow bottle

I have a 2012 VW Amarok TDI 400 Highline. I have replaced the head, both turbos, and the engine oil cooler, I did a thorough flush, however I took the car for a short drive ( about an hour ) and I ...
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Loud ticking noise from engine that increases when idling, but disappears entirely when accelerating

I have a 2008 Land Rover with a TD4 engine and 90000 miles. The engine’s been making a ticking noise while idling that gets louder if the car continues to idle, but when I speed up, it completely ...
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1answer
77 views

Alternator output power relationship

Overview: I am currently working on a project that requires a 24v alternator, which is powered by a mower engine. This engine in particular runs around 3,000 rpm, give or take, and does not exceed 3,...
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2004 Yamaha Outboard 50HP vibrating around half throttle (2700-3100 RPM)

I've recently bought a 2004 Yamaha outboard, specifically a F50 TLRC (four stroke 50HP) and it is generally in good condition, takes a couple key turns on startup but always starts, a little rough on ...
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2answers
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What causes a VW Golf 2017 engine warning light to appear?

I did a test drive of a used VW Golf 2017 manual transmission, 140 000 km. The yellow engine warning light appears when the key is half-turned and disappears when the engine starts. What could cause ...
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1answer
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2004 Acura TSX. Locating a missing unplugged wire under hood?

Bought a used Acura and I was looking under the hood and found this unplugged wire. It's orange and right behind the fuse. It's bunched up with other wires. Is it just and extra cable that doesn't ...
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23 views

White Smoke and Engine Coolant Light

I’ve just been in traffic for around an hour and my engine coolant light came on. As I couldn’t pull over anywhere there’s no way I could turn off my engine for a good amount of time(nightmare). The ...
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Lawnmower locked up, cannot turn shaft

Thank you for coming here. My dad recently picked up a Craftsman gcv 160 mower. When I unloaded it, I ran it for a while, then drained the oil. Remember, it worked when I got it. The oil was very ...
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241 views

Will driving car without coolant cap do long term damage to car?

So this morning I did something stupid. I had checked the coolant in my car and it was fractionally below the min point, but still fluid in the tank. I poured in some water so it filled to between the ...
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2answers
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Empty radiator, engine temperature fluctuating

Hi and thank you in advance, I have a 2005 honda civic ex, everything stock. My engine temperature gauge has been fluctuating, mostly in city, on highway it stays in the middle range. Here is what I ...
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1answer
52 views

CC per HP in a 2-stroke engine?

I have a bunch of 2-stroke engines and the websites that I found only tell me about 4-cycle engines. Do you happen to know the ratio of cc to HP?
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I have a 2008 Ford Expedition XLT

I have a 2008 Ford Expedition XLT. While changing my spark plugs I didn’t push them down as far as was required therefore on two of them the hook broke off and now it’s making a clacking metal sound. ...
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1968 I-6 swap questions about the spindles and or any tips/ etc

I have a original inline 6 that I’m swapping with a 302 I already have a c-4 trans that is in the car currently, I know of swapping the front end and what I have to do for the extra weight but (not ...
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1answer
62 views

White smoke coming from dash when I accelerate above 60 and steams up the windshield when I accelerate it up to 30 or 35 any advice would help thanks!

My 03 Chevrolet s10 extreme 4.3L is sending White smoke through my air vents and from under my dash, also is steaming up the windshield when I accelerate my tuck above 60 but when I’m accelerating to ...
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1answer
51 views

How does enough oil remain after combustion to lubricate during exhaust stroke

To my understanding, cylinder walls are lubricated by retaining a tiny amount of oil in the honed or otherwise manufacturing prepared cavities in the cylinder walls, so that when the piston rings ...
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1answer
75 views

Is this a bad engine mount?

So it's my first time opening the hood of my car, only to find this. I came to ask because this doesn't look normal, I dont know any reason what could cause this as its a new unit, 600 kms on my odo ...
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Why does my motorcycle turn off?

My name is Tracy from Dallas and I'm trying to diagnose a strange problem on my bike. Bike: Harley Davidson Street Glide. My motorcycle turns off while running and it turns off while at a stand still....
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Engine feels sluggish sometimes

1998 Nissan frontier 2wd xe kingcab 4 cylinder automatic transmission Sometimes it feels slow to accelerate, like it's not getting gas, or like its not in the right gear, and the shifts feel a little ...
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1987 Suzuki Dr 125 what size mm carb does it take

What size mm carb is on a suzuki1987 Dr 125 and what type of aftermarket can I get for it
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Does a, “5% oil life remaining” dash message mean low quality or low quantity, or both?

I’ve never seen this question answered on any boards. When my 2008 Ford Escape says I have 3% oil life remaining, I know it means I’m due to change it. But for curiosity sake, is the algorithm or ...
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1answer
29 views

Black smoke coming from tail pipe?

I recently purchased a Honda CRF50 dirt bike for my kids. When applying the throttle black smoke that smells like gasoline comes out of the tailpipe. From what I understand this means that there is ...
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2answers
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Second butterfly valve in riding lawnmower?

So I am helping out my neighbor with her lawnmower, tuning it up and what not for the summer. I noticed that when running the lawnmower, as soon as you take it off of choke, it revs up as fast as it ...
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2008 buick lucerne CXL 3.8 L engine mounts

I just got this car and a mechanic told me it needed a transmission mount on the drivers side. After replacing it and saw that it wasn't bad I found the engine still moves a lot when power braking ...
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What could this engine noise be? - Kawasaki KLX300

So, Long story short, I made (what is now) a regrettable purchase of a 2001 Kawasaki KLX300 with tapping noises coming from the engine. Additionally, the engine is low on compression and is burning ...
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1976 Leyland Mini engine block coolant is blocked

Was doing routine radiator flush after engine overheated while on longer trip. Hasn't overheated on around town trips. Radiator coolant was clear green with no lumps or other material coming from ...
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94 views

Why is certain motor oil noisy?

I recently used a product with 100% PAO base. However, there is an unprecedented noise. I wonder if it's my car's problem or if certain oils can be noisy.
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1answer
48 views

Why do some motorbikes need consistent throttle/acceleration/raise to keep the engine alive even if i have pressed full clutch?

I am used to riding Pulsar 150, when I press full clutch in that, the engine is still alive without the need of throttle/acceleration/raise to keep the minimum rpm. But I was riding a TVS Apache RTR ...
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Renault Modus 1.4 drains battery - whirring noise suddenly begins after 10 days not moving, engine cold, all switched off

I left my car parked up (Renault Modus 1.4) and did not drive it for 10 days (in 'lockdown'). Then one evening I heard a whirring noise in the engine (after 10 days quiet, totally cold and switched ...
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21 views

Mazda 6 MZR-CD diesel fuel issue

I have a mazda 6 mzr-cd turbo diesel wagon 2009 model. I just purchased the car and after trying to jump the car i thought the engine had no compression. However after trying again with a stronger ...
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I overfilled my honda edger with to much oil,

It started, then oil started coming out of the air filter, the engine died, now it want crank over I drained alot of the oil and it did have air in it
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2answers
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2006 Scion Tc car wont start after engine rebuild

i had a reputable shop rebuild the motor and i installed it myself before i mounted it on the transmission it spun freely by hand on the crank bolt, now the issue is once the transmission is fully ...
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1answer
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i have oil in my radiator. where can it be coming from. 427 ci chevy

chevy 427 ci had oil in radiator had heads redone and surfaced replaced with new head gaskets still having same problem. radiator has the 2 trans cooling lines only no oil cooling ...

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