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

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Overheating and more

Hi I have a 2000 Buick park ave v6 3800 series and the problem started as a small leak in the radiator from the little drain plug so I righted that and the leak moved to the whole opposite side of the ...
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1answer
20 views

Corsa D Stuttering Accelaration with Malfunction Light flashing

I have a 1.2l Vauxhall Corsa D (62 plate) that has done 63K miles. A problem has developed over the last day or two that is becoming a concern, and has got worse over the last 24 hours. Whilst ...
4
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1answer
32 views

Heavy noise from the tappet of my RE Classic 350

I own a Royal Enfield Classic 350 (2014 model). After completing 10000 km, I started hearing an irritating sound from the tappet (service guys says so). At that time it didn't last long, so I thought ...
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4answers
123 views

Diagnostic, diy repair guides, technical manuals

So I was wondering for a list of good diy diagnostic, repair softwares (not obd). I am aware of Autodata, Vivid and Mitchell on Demand. What else do you know? I am also looking for a software that ...
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2answers
278 views

How to test if oil is leaking into combustion chambers?

How can I test whether oil is leaking into cylinder combustion chambers and getting burnt in case of oil level loss? As opposed to, for example, leaking through the oil pan or the timing chain cover.
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2answers
408 views

How often should spark plug wires be replaced?

I last replaced them with the plugs about 4 years/60-70k miles ago. I bought platinum plugs I if I remember correctly, so I still got some life on those. The car (2001 Buick Regal) is still in good ...
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2answers
8k views

Gas pedal not responding

It just doesn't work, as if I weren't even pressing it and it happens regardless of the speed. I have to turn the engine off and on again and it'll work for another 3 or even up to 20 minutes ...
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0answers
15 views

2004 isuzu ascender Sputtering and possibly misfiring

Needed to get a smog check so I went to auto zone to find out why the check engine light was on. The code shot out that the map sensor needed to be replaced. So I replaced it and reset the computer by ...
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1answer
48 views

Why does my car engine rev so fast when running uphill

I have a 2015 Civic EX (6000 miles). It's revving 2000/2500/3000RPM at 70/80/90MPH on flat ground. However, it's having 3000RPM at 60MPH when going uphill and EVERYONE was passing me by (Except for ...
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1answer
106 views

Short shifting after full throttle

Other than normal wear and tear, are there any detrimental effects or added harm done to the engine by going full throttle in 1st and/or 2nd gear, then shifting up well before redline (say 4k rpm on a ...
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3answers
603 views

Is there a difference in cars manufactured for hot or cold climates?

I have one very interesting question. I would like to purchase new Volkswagen Jetta TDI 1.6 2015-2016. I found new car in official dealer store. But there is one problem - These cars were constructed ...
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0answers
56 views

Clunking sounds when decelerating or idle with clutch engaged

I have an issue with a 2010 Opel / Vauxhall Insignia 2.0 CDTI Sports Tourer (aka Buick Regal in the States if I'm not mistaken) and I'm having difficulties pinning it down. It's going to be a lengthy ...
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6answers
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2000 Jetta runs rough, shudders on cold start only on wet days.

This is an issue I've had off and on for, embarrassingly, at least a year: On misty or wet mornings, everything starts out fine but, a few minutes into the drive (like clockwork. I even know the ...
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0answers
44 views

Engine running rough after spirited driving

My car is a 2003 Chevy Impala 3.4L, with just over 200,000mi on it. I've checked the oil, it hadn't been on the road in about a month. My wife and I had a race a few days ago with her in the Impala ...
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3answers
1k views

Why has my car burnt through all the oil?

I have recently run in to trouble with my Vauxhall Corsa 1.2 2013. I broke down the other day after a huge cloud of white smoke out the exhaust followed by a severe loss of power. The AA came had a ...
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3answers
7k views

Static vs. Effective compression: Why does higher effective compression not require higher octane gas?

Background I've been trying to do a lot of research on boost lately because I'm planning on running a moderate turbo setup on my daily/light-duty-autox car in the future. I'm trying to get into the ...
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0answers
26 views

06 Cobalt - Car dies while driving and won't start back up

Car dies while driving and won't start back up - turn key no clicking no nothing - all gauges and lights light up - battery charged . Can jump across starter and it starts and dies. One mechanic says ...
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1answer
106 views

Small crack/gap between cylinders on block

I was doing a head gasket replacement onnmy 86 Kawasaki ninja gpz1000 and I while cleaning the gunk off the top of the block I noticed a small gap/crack in between two cylinders (Pictures are linked ...
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4answers
274 views

Can 100% calculated load be reached in neutral?

While searching for information about how is engine load calculated I came across this question which contains an equation for the ECU load calculations. As I understand it under fixed atmospheric ...
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4answers
3k views

Do pistons keep moving when the car stops?

When you are driving and stop at a light, do the pistons still move up and down due to combustion? If not how will the engine know when to combust the fuel to keep it moving?
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0answers
39 views

Triumph America 2002 running lean on one cylinder

I have a problem with my America 800 it's running lean on the right cylinder and when I adjust the mixture screw it makes no difference. The mixture was checked using an afr meter. The rubbers ...
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2answers
52 views

How do I remove oil sludge from an installed engine?

What's the preferred, non-chemical/non-additive method for removing oil sludge from an engine that's still installed in the vehicle? I'll have the head and oil pan removed. How do I clean out the ...
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2answers
55 views

Do Front-Wheel Drive cars consume less fuel than Rear-Wheel Drive cars? [closed]

As physics suggests it's more convenient, and thus less energy consuming, to pull a load than to push it. Having said that in a similar situation when two cars are the same in terms of weight, engine, ...
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2answers
105 views

Basic operation of a choke valve

As user Steve Matthews pointed out on my last question Car interior rattles on idle The ideal use of a coke is "Use the choke until the car warms up properly. You can reduce the amount of choke ...
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2answers
4k views

Lots of oil in radiator, but no coolant in oil and oil is not low

Theres oil in the radiator and the overflow tank of my 2002 GMC Envoy. The oil is fine, and has no water in it. The SUV gets regular oil changes, and the oil presure is fine. Water temperature is ...
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1answer
55 views

Car is shaking, feels like the car doesn't have as much power, gear knob also shaking and exhaust smelt of fuel (and was louder than usual)

Okay so the car is a Nissan 200SX S15 and as i'm relatively new to the manual transmission I wanted to practice hill starting (which is where i screwed up). I pretty much let go of the clutch way too ...
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2answers
397 views

Ford Figo doesn't start after recharging the battery

I have a Ford Figo. I had the battery recharged. Now the car won't start. There is a symbol which has pic of a car and a lock on it and that keeps blinking whenever I try to start and engine doesn't ...
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3answers
490 views

What is valve float and how does it impact engines?

The Wikipedia entry is hard to grok: Valve float is an adverse condition which can occur at high engine speeds when the poppet valves in an internal combustion engine valvetrain do not properly ...
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0answers
36 views

Ticking noise which gets faster at idle and slows after blipping

Car: Audi S5 2008 V8 4.2L Transmission: Manual Symptoms: There is a quiet (but noticable) ticking noise which can be heard from inside the cabin when the car starts. It starts of slow (maybe 10 ...
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1answer
96 views

My feet turn black

I left the pedicure salon, started my car and drove less than 3 miles to pick up something from the store, when I stepped out of my car my feet were black... and I don't meant just from dirt, It ...
8
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3answers
57 views

My BMW 325xi smells like gas

It is difficult to start my BMW it runs rough and smells like raw gas from the exhaust pipe. My check engine light is on. What could be the problem? I just had the engine replaced I am over 8,000 ...
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2answers
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Should I run my generator dry in preparation for storage?

I think this is on-topic after reading the FAQ, so I figured I'd go ahead and ask. I gave my gas generator its scheduled 3-month interval "workout" last night, and after letting it run for about 30 ...
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0answers
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My 05 F150 engine knocking

Drove it - reached destination and started knocking - NO oil on dipstick. Put in 5 quarts of oil - ran fine until reached next destination - started knocking again - oil was present this time - drove ...
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1answer
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2006 Dodge Durango 4.7 L V-8 running hot

My 2006 Durango runs hot after a while . It's not losing much coolant. Also if the cap is off and you start it, Iit will blow back water out the opening. I thought it may have a head gasket crack or ...
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0answers
28 views

Wankel Engines - Port Tuning

Port Tuning Wankel Engines In many ways, a wankel engine is like a two-stroke engine. You can open up the ports to change the timing regarding exhaust and intake. I've ground many an intake, ...
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0answers
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2011 toyota tundras loses power under load

My 2011 Toyota tundra loses power while under load it doesn't completely shut off but does not respond when pressing gas pedel. This is an occasional thing not constant
8
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2answers
114 views

BSFC (Brake Specific Fuel Consumption) - How is this a beneficial measurement?

Brake Specific Fuel Consumption or BSFC Measuring various attributes of an ICE (Internal Combustion Engine) and how it performs certainly gives a greater understanding of how a particular ICE ...
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1answer
19 views

08 Silverado 5.3 engine “click”

I have an 08 Silverado, that has a "click" coming from the engine when it first starts. Once it reaches normal temperature it seems to go away. All the belts look good but beyond that I'm not sure ...
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4answers
1k views

What does it mean to retard an engine?

I have come across this term. What does it mean to retard an engine? When would you typically have to do such a thing? What can happen if you don't or incorrectly retard the engine? What sort of ...
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1answer
39 views

2006 VW Jetta TDI EGR cleanup

I am going to cleanup the EGR pipe in my VW Jetta TDI. Are there any special considerations on how to remove the carbon which might be blocking the flow?
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Advice about changing various BMW diesel engines? [closed]

I have a BMW 320d Can I change out my engine into a stronger but similar Unit? I would like to consider the 325d or 330d power plants. Would those engines fit in my vehicle? Would my electrical ...
11
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4answers
2k views

Does putting an automatic car into neutral at stop lights significantly harm the transmission?

I drive a 2013 Mazda 3, in case that makes any difference to the answer. There seems to be a few discussions on the web which indicate that putting an automatic car into neutral does not ...
9
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1answer
66 views

Who came up with “suck, squeeze, bang, blow”?

A popular explanation of how a four stroke engine works is Suck, squeeze, bang, blow. The engine sucks in a mixture of fuel and air, then squeezes it together (compresses it), then it burns / ...
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1answer
28 views

Car interior rattles on idle

My carb Citroën BX interior rattles on idle. This mostly happens before the engine warms up, as soon as I apply the smallest amount of throttle this disappears, which leads me to apply throttle when ...
8
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1answer
338 views

Carburettor jetting on installation of aftermarket air filter

I have a 150cc motorcycle and am planning to install an after market air filter(K&N) since the stock one was favoring fuel efficiency and not performance. The bike has a carburetor (Mikuni) not ...
7
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2answers
63 views

My 94 Honda Civic..which is a manual..will crank but not start… but it will clutch off

My 94 Honda Civic..which is a 5 speed manual..will crank but not start..It will clutch off and runs and drives well after that. I have to pump the clutch several times before it will even start to ...
4
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1answer
144 views

Which engine part is this?

I own a speedboat that is powered by a 5 liter V8 Mercruiser with 200bhp. Yesterday when trying it out for the 1st time this season, 2 things happened: 1 - the boat was always trying to turn left ...
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3answers
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Engine died while driving and won't start again

I have a Hyundai Sonata 2002 automatic which has just broken down. What happened is that while driving the engine suddenly stopped and the check engine light turned on. I attempted to start the engine ...
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1answer
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Does free revving a diesel engine to 4000 rpm (1.6 crdi- hyundai) cause any damage?

It's a Hyundai CRETA/ ix25 model... clocked 1800kms on the odometer, diesel spec engine 1.6 crdi unit, manual transmission! It has redline at about 4800rpm in the tachometer. When i took it for ...