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

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3
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44 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 ...
9
votes
1answer
100 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 ...
3
votes
0answers
25 views

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 ...
1
vote
1answer
18 views

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 ...
8
votes
3answers
60 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 ...
2
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0answers
19 views

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
3
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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 ...
7
votes
0answers
33 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, ...
14
votes
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 ...
9
votes
1answer
75 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 / ...
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 ...
1
vote
1answer
30 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
votes
1answer
41 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?
8
votes
2answers
134 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 ...
7
votes
2answers
68 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 ...
7
votes
2answers
44 views

How to flush engine coolant system after oil intrusion

My 02 Buick LeSabre has oil coming from the radiator into the coolant reservoir. Just recently I had a new motor put in to fix the issue. What would be the best/proper way to flush the radiator? It ...
7
votes
1answer
89 views

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 ...
3
votes
0answers
28 views

2006 Mercedes E350 4matic , v6 engine

Drove kids to school , stop to get ha and made it home then was about to leave back out and the car started to drive sluggish as if it didn't want to do . I proceeded to pull over at a gas station and ...
5
votes
3answers
113 views

I drove my car with the dipstick left out, did I do any damage?

Please guide me. I went for a regular check up of my new Celerio gasoline driven car. The Maruti Workshop mechanic made a mistake. He left the dipstick out after he checked my oil. I figured it out ...
5
votes
1answer
36 views

I hear a click when i go to start my car… But starts up on second attempt

Why is my 2009 chevy malibu doing this click before i start it up?
6
votes
0answers
67 views

Warm fuel injected engine stutters when accelerating

I have a 1994 Honda Concerto 1.5l gasoline car, fuel injected. When the engine is cold there are no accleration problems. But once it warms up it stutters if I step hard on the gas. When it does ...
5
votes
1answer
76 views

Car is shaking, feels like the car doesn't have as much power, gear knob also shaking and exhaust smells 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 ...
6
votes
3answers
363 views

Engine temperature range?

Our 'new' ('07) Cobalt has a digital temp readout. Temperature varies substantially, depending on driving conditions - I've seen it as high as 210(F) on city streets, on a not-very-warm day. Our old ...
6
votes
2answers
53 views

Rhythmic “soft screeching” noise for a minute after cold starts on cold days … sometimes

2004 Infiniti G35, 155k KMs (~97k miles), totally stock. Intermittently, after cold starts on cold mornings, I hear a "soft metal screeching" oscillating roughly twice a second. The sound disappears ...
7
votes
3answers
52 views

Where can I get help finding my way around the engine of my specific model of car?

After a bit of intensive study I've learned the ins and outs of how a car works, the majority of it. Not well enough to stop needing a mechanic, but well enough to understand what every component ...
5
votes
2answers
58 views

Engine sputters when turning left corner

In my 1986 Ford F-150 (carbureted) when I go left around a corner, the engine sputters. Feels very similar to running out of gas, but it picks back up once I stop turning. Only happens in a sharp ...
6
votes
1answer
50 views

08 Silverado 5.3 rough idle and dark cold start exhaust

I recently bought a 2008 Silverado 5.3 with 77k on it. After a couple weeks I noticed that at idle the engine would stumble and my rpms would drop slightly. It eventually set off the check engine ...
8
votes
1answer
273 views

Is the unreliability of the 400 Small Block Chev an Urban Myth?

The Gen 1 Small Block Chev gradually grew to 400cid. To achieve this massive volume the bores were siamesed and the conrods were shortened.The engine when produced in passenger car form had the same ...
3
votes
0answers
31 views

Audi A1 makes a loud engine sound

I recently started hearing really loud noises coming from my engine. When I turn the engine on the noise is much louder then normal. When I open the hood to look at the engine I can see it is shaking ...
2
votes
1answer
41 views

Replace lifter without removing heads or engine in 2000 Mustang?

https://www.youtube.com/watch?v=F-9dFdGq-vI I don't see why it wouldn't work as long as I torque everything down correctly and put it back together correctly.
8
votes
0answers
84 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 ...
8
votes
1answer
81 views

Can't find schrader valve

I have a 89 camaro with a 350 engine, where can I find the fuel valve where I connect the fuel pressure tester? I looked up videos on where it's located but mine doesn't seem to have it, is there ...
8
votes
3answers
99 views

Merits and demerits of OHV vs OHC

Can anybody tell me about the merits and demerits of OHV (overhead valve) vs OHC (overhead camshaft)? Some experts say that an OHC engine will run faster than OHV engine. Why is this?
5
votes
2answers
98 views

Can engine oil type cause a car to overheat?

I own a Peugeot 405. At first I was using 20w-50 engine oils but The last time I went for changing the engine oil I used 10w-40. After that The engine temperature rises constantly and (even when it's ...
4
votes
0answers
96 views

Radiator has a leak and the upper hose is clogged, car does not overheat. White smoke from upper hose

My car is a 2003 Buick Century and it has been leaking for the past few months (puddles of coolant under the car). Now the car begins to have white smoke coming from the engine and it has a sweet ...
5
votes
1answer
61 views

Rod knock in my engine?

Kindly assist. My 1GFE engine had a rod knock sound and I replaced all the bearings, oil filter, cleaned the sump & strainer and tolled it with brand new fully synthetic oil. The engine ran for ...
0
votes
1answer
81 views

How to go VTEC with a D16A8 DOHC engine [closed]

Living in South Africa. I have a 160E Honda Ballade ABS and a D16A8 motor. Need to go VTEC BT, not sure if I can go F18 SOHC VTEC, replacing the engine and gearbox and management. Is it possible to ...
0
votes
0answers
50 views

Cleaned Battery Corrosion and Now Engine Won't Rev

I had a large build-up of battery corrosion on my car battery. I unplugged the cables off it, cleaned the terminals with soda. After reattaching everything, I now find that while my truck will start, ...
3
votes
1answer
43 views

Engine won't rev past 2500 in Park/Neutral

I am just through replacing the catalytic converters on an 06 Ford Expedition with about 151k miles on it. To break in new cats, you must run it at idle for about 5 minutes, then increase the engine ...
4
votes
1answer
87 views

1996 Mustang GT won't start with shifter in Park, but will start in Neutral

I just had this weird problem today. The engine will turn fine, but won't start with shifter in Park. Once started in Neutral the motor runs fine with no hesitations. Battery is strong. Any ideas?
0
votes
1answer
36 views

Diesel engine vs petrol engine characteristics [duplicate]

Please explain why Diesel engines (in general): vibrate more. are louder. I understand in principal how both engine types work so feel free to go into technical details. My assumption is that it ...
2
votes
1answer
41 views

Citroen C3 Picasso HDI 1.6 - Oil Consumption Question

I just bought a 1.6 HDI Picasso C3. After driving 1000 km i noticed it consumed about 1/8 of oil on the oil measuring stick. my question is how much liters does the stick measure? is half a stick ...
2
votes
0answers
24 views

Chevy sonic 2014 [closed]

I have a Chevy sonic 2014, purchased from B M W about 2 months ago. My car smelled like it was getting warm. Opened the hood brown sludge. Mechanic says it isn't a head gasket and are unable to detect ...
4
votes
2answers
79 views

Do I need to worry about varying boost pressure when installing an electric supercharger?

Do I require to vary the boost pressure with respect to an increase or decrease of throttle (engine rpm)? *Note: The supercharger is electrically driven (motor) and not by engine crankshaft.
6
votes
3answers
188 views

Weird “old”-sounding engine noise. What's the problem?

Hyundai Sonata 2000 150,000 miles I started getting a noise in the engine that I would describe as "light", and "enginey" Here is a video with sound. https://vid.me/9gkr The sound becomes more ...
6
votes
0answers
120 views

Once-only thud knock when open throttle

I have a 1997 Yamaha TRX850. When I open the throttle I'm hearing a thud knock sound near the left crankshaft cover. That sound does not always appears and I can't find any correlation between ...
1
vote
1answer
48 views

GDI intake cleaning before or after oil change?

I drive a 2014 Kia Rio 1.6l engine with direct injection. I am at 22000km and considering using this intake cleaning product that gets sprayed into the intake. ...
1
vote
0answers
46 views

Supercharging small engine [duplicate]

How do I determine safe supercharged pressure and cfm for a small engine (149 cc)? Yamaha fz 2.0 (India) 9.31 cubic inches 13.1 PS (12.9 BHp) Fuel injected 18.4 engine cfm
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1answer
89 views

Supercharger calculations

How to determine safe supercharged pressure and CFM for a motor cycle engine (fuel injected 149cc (9.31 cubic inches) 12.9 bhp?
13
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3answers
281 views

Why does GM still insist on push rod engines?

GM continues to design and produce push rod (Over Head Valve or OHV) engines while most of their competitors have gone to over head cam (OHC) configurations for their performance engines. Is there a ...