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

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5
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1answer
40 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?
7
votes
1answer
121 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
95 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
377 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
59 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 ...
8
votes
3answers
58 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 does,...
5
votes
2answers
81 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
63 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
287 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
45 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
78 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
184 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
88 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 ...
9
votes
3answers
109 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?
6
votes
2answers
163 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
127 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
80 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
123 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 ...
3
votes
1answer
66 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
96 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
41 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
57 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
25 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 ...
5
votes
2answers
84 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
235 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
146 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
69 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. http://crcindustries.com/auto/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
2
votes
1answer
103 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
votes
3answers
311 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 ...
2
votes
0answers
119 views

P0304 code on PT Cruiser

I have a 2005 PT Cruiser Convertible that's leaking oil in #4 cylinder causing engine light to come on. Now, I have changed valve cover gasket and tube seals, spark plugs and wires and coil, pcv ...
6
votes
0answers
64 views

semi loud growling noise at all speeds

I have a 1998 GMC Sonoma SLS with a 4.3 l V6 Vortec. It used to purr, now it growls, sounds like a small diesel engine. Vibration can be felt (mostly in the dead pedal) and also vibrates/growls in ...
9
votes
3answers
184 views

Should I replace piston rings on chevy 350?

I recently acquired a chevy 350 manufactured in 2015 for free because of some crank issues. I'm in the process of rebuilding it and have finished the disassembly of the engine. The engine itself only ...
4
votes
1answer
75 views

Lean Fuel Code on V10

I have 1999 V10 Ford chassis on a 2000 Coachman motorhome. Engine starts great when cold, runs great, idles great, no skipping, missing, etc. Problem is that after driving more than 30 minutes or so ...
2
votes
1answer
60 views

2004 Honda Pilot wont start

I have a 2004 honda Pilot. Ok look carefully it has 510,453 miles on it. It wont start. I had a bad alternator for 2 weeks over charging my battery. I changed it. New spark plugs also. So 2 days ago i ...
4
votes
4answers
104 views

Will my 2002 Mustang make it from California to Iowa?

I have a great 2002 Mustang automatic 6cyl in great condition, but I am a worrier and want some outside opinions. I am the second owner of the vehicle. Have owned it for 1year, 7 months and I get my ...
5
votes
1answer
84 views

engine push rods

I have a Toyota owner Jeep. Had a blown head gasket, most likely cause it got over heated. I removed the head and had machine shop do a valve job and had the head re-surfaced, put together, set the ...
4
votes
1answer
63 views

Vehicle tries to stall when at a stop

Have a 2009 Saturn. Two weeks ago I took it for a basic oil change at the dealership and requested that it be checked out for any other problems but I have noticed that sometimes at a stop light it ...
4
votes
1answer
48 views

Can getting rear ended crack your engine mount?

I was sitting at a dead stop at a traffic light when a pickup truck rear-ended me. I drive a Honda Accord and the bumper withstood the impact pretty well but still needs to be replaced. Immediately ...
5
votes
1answer
82 views

I have engine oil in my coolant. What might be the reason?

I have purchased a pre-owned car. After the purchase I saw there was engine oil in the coolant reservoir and also the coolant level is going down slightly. Engine is not heating up. What do I do? ...
8
votes
1answer
112 views

How often do you need to run a car?

I have a car that is garaged and not used much. How often should I take it out for a drive and for how long each time? I currently get it serviced every 10,000 KM.
4
votes
2answers
137 views

Putting a cover on the bike while engine is hot

Is it safe to cover your bike as soon as you shut the enigne after a 20 mile ride? I cover 40 miles daily to and fro for work. I reach home around 11 pm and barely have the patience to climb down from ...
3
votes
2answers
80 views

fuel system problem

I have a 89 camaro I personally don't think it's a fuel pump issue and I recently changed the relay, but whenever I turn the key over sometimes I hear the fuel pump turn on sometimes I don't. Could it ...
3
votes
0answers
56 views

Engine jolting and struggle starting

I drive a 2002 VW Polo automatic, and in the last few days it's really been struggling to start when it's cold, and then this morning the car would jolt on acceleration every now and again, when the ...
4
votes
1answer
140 views

Diagnosing a rhythmic engine noise

I have a 2000 Toyota Camry with the 2.2l 4 cylinder, 5S-FE engine. The car has 143k miles on it. I currently run 0w40 Mobil 1 full synthetic motor oil with the Mobil 1 filter. When I was changing ...
5
votes
1answer
87 views

Civic R18A2 oil consumption

Looks like my Civic burned or lost 2L of oil in the past 6 months, I think that is excessive. At previous oil change garage mechanics advised me to use 5w30 viscosity oil because 0w30 is too thin. I ...
0
votes
2answers
47 views

94 Jeep Grand Cherokee Laredo

My '94 Jeep seems to want to stall out at red lights and stop signs. It runs fine otherwise. However, upon cranking first thing of the day I have to let it idle for maybe five minutes before driving.
6
votes
1answer
47 views

Rubber gasket maker on rocker cover

After recently taking my car to have a new rocker cover gasket fitted as it was badly leaking I noticed the guy who did it put a ton of gasket maker on the rocker cover when he sealed it, heavens ...
9
votes
1answer
156 views

What are the various kinds of tappets / lifters and the advantages / disadvantages of each

A previous question about tappets found here: What are Tappets? covers the basics of tappets. If we go the next step, here are my questions: What are the various kinds of tappets / lifters? What ...
4
votes
1answer
189 views

Is intentional kick-down bad for the engine?

I have a car with automatic gear (Mitsubishi 1600cc, if it matters) and sometimes when I want to gain speed quickly (e.g. when passing a slower car in a two-way road) I do a kick-down. I know it ...