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

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2answers
5k views

Engine hesitates and sometimes stalls after filling gas tank

On my car (2005 Dodge Grand Caravan) when I fill up my gas tank, almost immediately afterwards pulling out of the gas station my van sputters, misses, hesitates, call it what you will. The past couple ...
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votes
1answer
724 views

2015 STI White smoke

My 2015 Subaru WRX Sti is emitting white smoke from the exhaust. The smoke smells like burning electronics. When I pull over and open up the hood, I also see white smoke in the engine bay. The smoke ...
4
votes
1answer
64 views

Is there a place where I can buy new stock GM Engines?

I am looking into a new project, and one idea that was tossed around is to replace the motor on the truck with a FlexFuel model. I looked around and see gmperformanceparts website, but they don't have ...
4
votes
1answer
217 views

XJ600 1994 Seca 2

I am wondering if anyone can shed light on an issue we are having with this particular bike. Basically, the bike starts fine cold and warms up and drives perfectly for about 15 minutes ( responsive to ...
4
votes
2answers
1k views

Forced induction and engine braking

So does forced induction negate the effect of engine braking on compression motors? For example, going down an incline, drop into 3rd (automatic) to get some engine braking going. With my new Chevy ...
4
votes
3answers
22k views

Burning Smell and Faint White Smoke

I have a 1999 Audi A4. Recently there is a burning smell when driving that is noticeable when stopped after driving. At night I noticed a faint white smoke blowing out of the front in the headlights. ...
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2answers
4k views

does a car normally continue moving at a constant speed when in gear and the foot is taken off the accelerator pedal?

I remember when driving a passenger car, when I took my foot off the accelerator pedal completely, but remained in gear, the car would normally continue to move at some low speed, different for each ...
4
votes
1answer
160 views

What is a gasket head kit?

I am looking at buying a used car, many listed have had "gasket head kit" installed? What is a gasket head kit? Should i be wary about buying a car with one installed? Will the "gasket head kit" ...
4
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2answers
57 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 ...
4
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1answer
24 views

2003 Chevy Malibu Deluxe. Engine counter balancer timing

I replaced my timing belt. Now the engine vibrates horribly. I believe the cam timing is 100% but I believe I didn't time my counter balancer correctly. The Haynes manual photos and description ...
4
votes
1answer
44 views

1997 Ford Fiesta Strange Ticking Noise

The 1997 Ford Fiesta I sometimes drive has started to make a strange sound. It has started to make a ticking sound after I was pushing the tiny little 1.25L engine very hard on the way up North with ...
4
votes
2answers
120 views

Engine idle surging on startup & sputters during acceleration

So I don't know anything about cars. But my truck has been having a few problems. It starts up fine and then the idle is really weird, the RPM's surge. The motor keeps bogging down and when you try to ...
4
votes
1answer
80 views

Can snowblowers auger belt weaken or is this just wet snow

So I have an old Toro 824 used snowblower from the mid 90's. The last two times I used it we had wet snow. Snow kept getting clogged and I had to break it up with broom and then it would just clog ...
4
votes
3answers
324 views

Car will not start Sometimes?

Hey i just wanted to ask about my girlfriends car she has been having problems with for over a year.. we had it checked but they always say nothing is wrong (usually because the car starts when they ...
4
votes
1answer
108 views

Why is lugging hard on connecting rods?

I was researching the effects of lugging and came upon this thread, one of whose answers claims that lugging is really hard on the connecting rods. but without explaining why. Can you explain ...
4
votes
1answer
236 views

What is a stress riser?

What is a stress riser and why is it important to avoid them during engine construction or rebuild?
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votes
2answers
401 views

Semi synthetic oil engine break-in

I've finished rebuilding the engine of my motorcycle (4 stroke 650cc single-cylinder). For now it runned only once varying between 1000 and 2000 RPM for 5 minutes with a couple of short bursts after ...
4
votes
3answers
2k views

Craftsman Push Mower Dying After Running a few minutes

I received a Craftsman push mower (Model 917.377543) from my sister. She had left it outside all winter in the snow/rain. I have got to the point where the mower will run for 15-20 minutes initially ...
4
votes
2answers
2k views

Troubleshooting a Misfire

Car: 2005 Dodge Grand Caravan In the past few days I started to feel the engine stumble. Yesterday the engine light came on and the error was a that cylinder 4 was a misfire (there was also a ...
4
votes
2answers
290 views

Can I use a CNC machine or waterjet to make an adapter plate to adapt a 5 speed transmission to a rare, obsolete engine?

I am the sad, proud owner of a Nissan SD33T (Diesel), mated to a 4 speed T-19. The power this engine outputs (101HP, 160#/TQ stock) means it struggles on the highway, and I don't want to sacrifice my ...
4
votes
3answers
7k views

Slower Engine Start When “Cold”

I have a 2012 Honda Civic EX (4 Cyl Automatic, 5-speed transmission, Regular Gasoline). I get it serviced regularly and it has around 28k miles. The engine light has never come on. I am noticing this ...
4
votes
2answers
197 views

Corsa Sport (2007) low compression cylinders 2 & 4

I have been having trouble with my Corsa. It sometimes just cuts out or does not want to start at random times. I have had the car serviced, I have had the starter motor replaced & am now having ...
4
votes
1answer
3k views

2000 VW Golf TDi (Mk. 4) grey smoke from exhaust before engine has warmed up

I have had my Golf for 8 years. It’s had good maintenance and a the record is kept by my dad. It’s just passed its MOT (Ministry of Transportation) test, and the mechanic mentioned that the tappets ...
4
votes
1answer
521 views

When I remove a spark plug is it bad news if dirt or grime falls into the engine

Despite my best effort to clean up a corroded spark plug and blowing the area with an airline before removing would it be bad news if dirt or grime falls into the engine in the process of removing it? ...
4
votes
2answers
703 views

High-pitched squealing coming from engine

I Have a Datsun Safari 1983 2,8L petrol. Recently I was driving off road with it and the next morning the fan belt was making this squealing noise. So I adjust it and all was well. 300km later a new ...
4
votes
1answer
1k views

09 Camry engine rumbles

This is a pretty straight forward question, but I have an 09 Camry 5-speed manual. It only has about 25k miles on it and has been regularly serviced. However, as of late I've noticed that when I ...
4
votes
3answers
1k views

Is it feasible to Turbo a NA engine while maintaining 87 AKI octane fuel use?

I initially thought there should be a way to bolt on a small aftermarket turbo onto my naturally-aspirated Honda D17A2 (9.9:1 compression ratio) engine in my EM2 Civic EX without having to switch from ...
4
votes
1answer
2k views

Car Stalls When Coming to a Stop

Make: Chevy Model: Cavalier (4 cyl.) Automatic Year: 1993 Miles: 230K Normally my Cavalier drives just fine without problems. However, if I drive for 45+ minutes then it will sputter and stall out ...
4
votes
1answer
33 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 ...
4
votes
1answer
47 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 ...
4
votes
1answer
40 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 ...
4
votes
1answer
23 views

Valve Guide Replacement - 1988 Jeep Wrangler

I've done some valve guide replacements on motorcycles. In the process I've typically done I heat the head up in an oven to about 300 F and shoot nitrogen into the guide which shrinks it and it ...
4
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1answer
80 views

Valve Adjustment - 1975 Harley Davidson Ironhead

On Harley Davidson Ironhead motor (1975 XLCH), how do I adjust the valves? I seem to remember a mechanism in the bottom end but....I can't recall.
4
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1answer
82 views

What is causing a clacking knocking like sound on my toyota camry 1999

I got the heads redone by a engine tech, but for some reason after it starts I get this clacking knocking like sound. The timing is correct. I'm assuming the firing order is correct as well, But just ...
4
votes
1answer
118 views

Reversed the battery terminals - What damage have I done? [closed]

I inter-switched my battery wires, positive to negative. Now the car moves but does not accelerate, even with the pedal to the floor. What damage have I done by reversing the battery terminals? The ...
4
votes
1answer
85 views

How much vehicle life is added by rebuilding cylinder heads?

Now that I have fully rebuild the cylinder heads (all engine gaskets + valve lapping + lash tuning) on my 2007 Tacoma with 124K mi, I am curious how much life I added to the vehicle, approximately. I ...
4
votes
2answers
342 views

VW Golf IV Possible Engine Misfire

I guess I better start with a few details on the car in question: VW Golf IV 20 valve V5 petrol engine (2.3L) ~80k miles on the clock Now the problem, it feels to me as if the car is down on ...
4
votes
1answer
46 views

Are there varying degrees of engine misfire?

My fault codes indicate engine misfires on 2 (of 6) cylinders but I don't hear or feel any problems at all in the engine or exhaust. When I've observed engine misfires before, it was pretty obvious. ...
4
votes
1answer
192 views

Replacing an engine in a Chevy pickup ('85 K10). Is 190hp enough?

My friend is looking to replace the engine in his older Chevy '85 K10 pickup and found this engine http://www.summitracing.com/parts/nal-10067353/overview/year/1985/make/chevrolet/model/k10. Is the ...
4
votes
3answers
1k views

BMW e36 320i motor looses power significantly out of a sudden

I have a 1992 BMW e36 320i, when i start in the morning, or in cold weather, the cars functions normally and has a lot of power. However, after a little, or when the weather is hot, the car ...
4
votes
1answer
623 views

2001 Pontiac Grand Am SE oil in the coolant

Recently my car started chugging and "vibrating" at low speeds, and the check engine light is flashing on and off. On inspection, I found oil in the coolant. I don't know a lot about cars, but a ...
4
votes
3answers
4k views

Car runs uneven and jerky, but why? (Mazda 626)

I have a Mazda 626 (sedan) -97 and lately its been running uneven and jerky. Have had in in for repairs and changed battery, oil+filter and spark plugs. Still had problems and tried to use a engine ...
4
votes
3answers
33k views

What would cause a car to lose power a few seconds after starting, then run normally?

I start my 2003 Honda Civic each morning and drive to work. A few hundred feet down the road, the engine will sometimes behave as though it is running out of gas and lose power momentarily. It ...
4
votes
3answers
3k views

Engine stalls in hot weather

I have this strange problem with my Nissan Sentra 2002(80K miles). When it is about 90 deg F outside and driven more than about 10 miles the engine seems to miss badly(like for e.g. when you run out ...
4
votes
2answers
1k views

Spark Plugs 1998 Buick Lesabre

Where are the spark plugs in a 1998 Buick Lesabre? Pictures would be helpful as I'm a novice at this type of thing. I'm assuming I need all six because I'm getting a check engine light saying number 6 ...
4
votes
1answer
59 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
69 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 ...
4
votes
1answer
58 views

Poor battery condition, replacement required! Or is it?

I drive a 2004 VW Passat B5. Recently, my insurance company came round to fit a black box to my car as part of the terms and conditions of my car insurance policy. Whilst they were doing this they had ...
4
votes
1answer
66 views

how do I crank a remanufactured engine for the first time?

Just installed my first long block manufactured engine (360 in a 1987 Jeep j20). Got gas, spark and air. Engine turns over but will not hit to fire. Does a manufactured engine come with timing preset? ...
4
votes
1answer
34 views

Oil pressure low on an 84 Ranger

I've recently changed the oil and filter on my 84 Ranger 2.8L V6. I used 10w-30 dino oil and filled it in range on the dip stick. I noticed that after I changed the oil, the oil pressure gauge (on ...