Questions tagged [engine]

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

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22 views

Car dealer service center is blaming loss of oil on a shattered crush washer. What can I do next?

I dropped my car off on Friday for an oil change and tire rotation. I drove off the lot and got down the road when I started hearing noise upon acceleration, couldn't accelerate to 2000rpm, and it ...
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Thrown rod in engine block, can I drive it one mile?

My 2012 fusion overheated and a rod disconnected/snapped off, I have no idea if I'm saying any of that correctly, but from the word of a trusted mechanic friend, this is what has happened. I got a new ...
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1answer
24 views

How to distinguish the engine cooling flow and turbocharger air flow to/from radiator/intercooler?

I can't distinguish between the flow of engine cooling (coolant) with the flow of turbocharger air to/from the radiator (intercooler?). I have no foundational knowledge of automotive/automobile, ...
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P0171 & P0174 - Lexus LS430

I've been recently encountering an annoying p0171 & p0174 on my 2001 Lexus LS430 V8 4.3L, I hooked up a scanner after removing the battery overnight to see how the ST and LT fuel trims look like. ...
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How does one identify an engine?

My sister recently purchased a used car in a private party sale. When we went to change the oil the filter listed online doesn't fit. Instead of finding a screw on filter there is a hard plastic plug ...
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2008 Chrysler Sebring 3.5L 6 Cylinder - Hard Start when Warm

I have a 2008 Chrysler Sebring 3.5 L 6 Cylinder engine. It starts right up when cold. If I try to start the vehicle when warm, it seems to take a while to start, approximately 5 seconds of cranking. ...
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2k views

Volvo engine parts

What is the name of these four elements called? If water gets to them, can that cause a misfire?
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1answer
22 views

After starting 2008 Suburu Tribeca, revs drop when idling after tapping on accelerator

After starting a 2008 Suburu Tribeca (automatic), the engine idles at around 1600rpm. Even if I leave it for a few minutes, the revs don't change. But, if I even slightly tap the accelerator, the revs ...
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1answer
37 views

Break in Period - Idling New Car - Nissan Patrol 2021

I recently bought a new car and have put around 800KM so far on it. The manufacturer recommends that I "break in" the car's engine properly by driving gently for the first 1000 to 1200KM. I ...
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1answer
26 views

Cadillac CTS no compression bank 1

I was driving and my RPMs drop to 0. I have no compression on my right side of engine. I’ve done a test. Driver side is good. Car turns over but won’t start. When it drop to 0 I couldn’t accelerate. ...
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OBD code P0433 problem

I have just had 195000km service on my Mitsubishi Triton 3.5 Ltd V6. They replaced my air filter and I now have a check engine light. Code P0433 on OBD scanner... replace O2 sensor, exhaust leak. No ...
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What's the power problem?

2-stroke marine engine (200 Yam) starts and revs just fine out of gear. Put into gear and will only achieve 40kph or so. Old petrol (50:1)? Changed tanks and new fuel - same. Boat hull dirty? A little,...
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I have a 2002 mitsubishi eclipse 2.4 sohc 16 valve 4g64 ,timing belt teeth seperated

I took the head off expecting the worst but the piston heads dont have a scrach on them and the valves arent bent just alot of carbon ,what is to be expected should i rebuild this engine or scrap it ...
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If I resurface the engine block, do I have to replace the cylinder heads?

My cars engine (1991 Honda Civic 1.5 liter) had a bad gasket leak and was running without oil for a week causing scoring on the inside of the cylinders. If I resurface the cylinders, is it possible to ...
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1answer
28 views

Engine Stand fails and BB falls on end of crank/block: what to check before installing?

While trying to rotate my big block Chevy engine over on the engine stand it was mounted to, one of the welds on the stand failed. I had an engine hoist partially connected but it didn't provide ...
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1answer
32 views

White smoke & engine sputtering sporadically

I have a toyota kluger gx my15 AT. Recently, whenever I start the car in the morning, a thick cloud of white smoke will be expelled from the exhaust. The smoke itself smells like burnt oil. I'm not ...
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I can't find freezing point for Mannol 5w-20

I need oil for my car engine. It needs SAE 5W-20. Is Mannol Energy Ultra JP 7906 5W-20 a good product? I can't find its complete technical data and freezing point. This is the Material Safety Data ...
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2answers
90 views

Help!!! $500+Tax for two chewed wires [closed]

A Car noob here. I have a Toyota Rav4 model 2014 and I always go to Toyota's service center for my regular maintenance. I know they need to make money so I expect to be ripped off every time I visit ...
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1answer
21 views

Rod knock on first startup in months

2003 Mitsubishi Lancer 150,000 miles, manual 5speed, no check engine lights. This car has been sitting for about a month or two and when I tried to start it, it wouldn’t start so I eventually tracked ...
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2answers
49 views

Severe "Clunk" while riding

I have a 2009 Suzuki Boulevard M90. Been running great, with little to now problems since I bought it new. The other day as I was riding, a large "clunk" happened. It felt like it was on the ...
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1answer
49 views

Gas consumption when engine braking [motorcycle]

I am trying to figure out how much gas an engine uses when engine braking in a four-stroke engine (motorcycle). I understand that the gas consumption should be close to zero because the wheels are ...
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1answer
79 views

Does always driving in a low RPM harm the engine?

I am not a very sporty driver because high speeds frighten me. My car is a 2013 BMW F30 with N13 engine. I always drive slowly whether i am in a city or on a highway. I never ever go past 90 kph (56 ...
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15 views

1995 accord ex - hesitation during acceleration

I have a 1995 Honda accord Ex with the VTEC engine. when I press the gas pedal for a fast acceleration, at around 3000 to 5000 rpms the rpms will drop or begin to fluctuate around and then stabilize. ...
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1answer
62 views

What should I do with my car after driving into water? [duplicate]

So my car drove into water, and it stopped working at some point. I then stopped my car, and me and a couple other people fished out the car. We were able to start and drive the car after and I ...
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1answer
65 views

Do monster Truck Engines have an ECU/ECM

so I was designing a body for the CRD Monstertruck mod for BeamNG.Drive, (so I could design the body within the game before making it IRL) and when considering the engine (I'm coding the JBeam file ...
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Seat Leon 1P (2012) sometimes shuts down the engine after starting

Summary For about a year I have been observing the following behavior. After starting the engine, sometimes the RPM would dip very slowly until the engine begins to stumble and then shuts down. So far ...
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1answer
25 views

OS MAX FS 70 Exhaust Thread Size

I was trying to figure out what kind of thread size the OS MAX FS 70 engine uses for its exhaust connector port. I am talking about the following (green circle) I could not find this in the manual, ...
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1answer
15 views

Bajaj pulsar RS200 shuts off while trying to slow down or stop the vehicle

I have been a owner of pulsar RS200; ODO- 24,650, idling RPM-1.5, never touched FI system for servicing, just gone a round trip of about 400kms, by start of the ride filled tank, while returning while ...
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2answers
96 views

Is it harmful to drive downhill in low-gear with high RPM? [duplicate]

I went to a mountain range the other day with my Seat Toledo from 2001. Going downhill, with 12% inclination, I downshifted to 2nd gear to avoid braking all the way. The car still picks up speed, ...
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1answer
96 views

2019 QX50 CVT: Sudden drop in MPG + change in engine noise -- no codes

I'm seeing a sudden, significant (>40%) drop in MPG from my 2019 QX50 (FWD, CVT). I do a fairly regular long drive from SF to Sacramento, and highway MPG for these trips has always been ~31-33MPG; ...
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Problem with P0159 code Chrysler Pacifica

Helo I have replaced the catalytic converter with a non original one because i didn't find an original part in Iraq it was stolen ... previously I had p0430 ... but now I have p0159 which refers to ...
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2answers
58 views

Effect of same engine but with slightly less capacity (cc) and hp

There's a vehicle whose engine is 1332cc which produces 94 hp in its home country. It was recently launched in my country with the same engine, but they downsized it to 1299cc (91 hp) for tax benefits....
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Vauxhall Astra intermittent engine problem

I have a 2015 Vauxhall Astra (petrol) with a strange intermittent problem, hoping someone might have experienced something similar. The car lost power and stalled after driving perfectly normally. It ...
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2answers
51 views

Is it bad to rev a diesel truck right after starting it?

There's an Isuzu pickup at my work and the drivers almost always rev it after starting it up, it's really hot here too so it has no issues turning over, compared to colder environments I guess. ...
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1answer
28 views

IAME KA100 go-kart engine will not 'cough': Can you recommend what to check next?

I recently purchased an IAME KA100 engine and am trying to get it to 'cough' (let alone start), and would like suggestions for what to check next. Here is what I've checked so far: Compression is 125 ...
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1answer
102 views

There's no replacement for displacement

I grew up with the saying "There's no replacement for displacement" when referring to engine size, performance, etc. Does that saying still hold true today? It's getting harder and harder to ...
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0answers
24 views

Chevrolet Matiz doesn't start first time in day

I have a 2008 Chevrolet Matiz car, 3-cylinder 0.8L engine with the following symptoms: Start hard the first start of the day (after 10-12 hours) then start each time from the first, if the interval ...
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0answers
28 views

Mitsubishi mirage Code P1590 A/T torque reduction req. comm

The check engine light on my mitsubishi mirage is on and upon scanning the codes, I am getting the following codes: U0131 EPS CAN timeout U0101 T/M CAN timeout U0121 ABS/ASC CAN timeout P1590 A/T ...
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63 views

Is damage caused to an engine by a Spark Plug an " external influence"? [closed]

My knowledge of engines is poor. How do I continue the fight for a warranty claim? Merc C180 Year Model: 2019 Mileage: 42 000km’s Diagnosis: • Vehicle misfiring usually indicates a fuel / ...
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27 views

Blue Smoke coming from exhaust of scooter after a month of engine rebuild

Recently i had an oil change and a month ago had my engine half rebuild.But now,Blue smoke is coming from exhaust.I suspected oil leaking inside engine but due to worn out piston but since its ...
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3answers
69 views

Subaru Forester - petrol coming out unlit in bursts out exhaust. Ideas on what could cause it?

I've got a Subaru Forester '02 2.5L that I push kind of hard off road on New Zealand beaches. I had a near dead battery recently so bought a new one but on replacing it I must have wiped the ECU ...
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15 views

Why my 1985 Cadillac Deville crank but can't start

Last autumn my cady run perfectly. Then I didn't drive it much during the winter (Nov - Apr), maybe only total less than 50 kms. In may it started have difficulty to start, but when I used spray fluid,...
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22 views

2014 Ford Mustang 3.7L V6 Bank 2 Lean on startup until engine warms up

I've been having an issue lately that has not always been the case. For reference, my car has an aftermarket air intake (AirRaid) and BBK Long-Tube headers w/ O2 sensor extensions, a catted X-pipe, ...
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0answers
26 views

Choice of lubricant for model „diesel“ fuel

I bought some old small combustion engine for model cars/boats/airplanes. They are not operated using nitro fuel and flow plugs but simply by the (adjustable) compression of the fuel which is why they ...
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1answer
950 views

ATF in engine oops

I accidentally put 6 qts of ATF in my diesel engine. Ran for just a few minutes until I realized what I did. Drained all ATF and replaced with engine oil. What else should I do?
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engine replacement wont start

can anyone help please changed engine on a 59 reg focus 1.8tdci could not find a good one anywhere near so ive got an 08 tdci as replacement same engine code kkda noticed while swapping the 08 has a ...
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1answer
87 views

Is this behavior normal in a long uphill road at 102 degrees Fahrenheit?

Please read this carefully before posting comments or answers. This is NOT an overheating issue. It is just about cooling system behavior under specific conditions. My car cooling system has two fans ...
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24 views

When I try starting my Honda it’s hestitant then it starts

I have a 2004 Honda Accord and when I go too start it, it doesn’t Just start right up like it stutters then starts. I took it too Autozone and had them check battery starter and alternator. They are ...
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1answer
55 views

Broken welded nut inside frame for motor mount

I was trying to replace the passenger side torque mount on my 98 civic and both nuts that are welded inside the frame snapped off. Now the bolts and nuts just spin. I’ve read similar posts from people ...
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Idle speed on Ford KN Laser 1999 Auto switches between 1500 and 900 RPM

Ever since I've had my 99 Ford KN Laser Auto, I've been plagued with idling issues. When I first got it, it was barely idling at about 500 RPM. I've replaced the plugs, TPS and crank sensor after it ...

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