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

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1answer
32 views

Studder first starting

Hyundai Tucson 2008. Gasoline model. I live in a very hot climate and when I start my car in the morning it studders for a while. If I pump the gas, it disappears and doesn't come back. I ...
6
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4answers
80k views

Sputtering while driving & idling

[My car: 2004 Mazda 3] So, my wife came home from running some errands and told me the check-engine light was on and that the car was sputtering and felt like it was going to stall while stopped at ...
2
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1answer
142 views

White smoke is coming from my engine. how do i find out what it is?

I own a 92 chevy lumina, when i drive or let it run for a little bit it will smoke from underneath the upper radiator hose. it is not the actual radiator hose as i changed it thinking it was that. ...
9
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4answers
3k views

What happens if unsuitable oil is used in a vehicle engine?

I recently heard an urban legend-like story about a guy in a developing country who decided engine oil was too expensive and so used some vegetable oil instead. The story says the car ran for some ...
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2answers
298 views

ECU signals to CAN bus

What methods or ideas are out there that can match or change an SR20det ECU's signals or codes in order for a newer CAN bus system to read, for example, the power steering to work as well as the ...
3
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2answers
78 views

No radiator fluid in resevoir

Obviously you shouldn't drive with no coolant, because in most cases obviously your car will overheat, blow a head gasket and all that fun stuff. I drive a 4cyl 2.5L Ford Ranger. One time I realized ...
2
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1answer
156 views

What is this ticking noise while pulling away?

Lately I noticed a slight ticking noise when pulling off calmly (from a stop light, for example) at the exact moment the car starts moving. Happens when the engine is still cool, before I hit the ...
3
votes
1answer
219 views

Ticking/clicking when accelerating 1997 Dodge Caravan

My caravan began ticking when accelerating yesterday. It ticks fairly loudly when accelerating and much softer and slower when idle, or slowing down. Ticks slow and steady when idle or in park. Does ...
4
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1answer
116 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 ...
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1answer
226 views

what engine came in 2007 chevrolet avalanche LTZ?

I have a 5.3 Liter engine from a 2007 Chevy Avalanche LTZ. I removed it and swapped in a 6.0 for a customer. What is the name given to this V8? It has an aluminum block and cast 243 heads. I need to ...
2
votes
3answers
183 views

Car engine dies when I am not pressing the Gas

Make: Chevrolet Aveo UVA 1.2 LT 2007 model. When ever the gas is not pressed, the engine stalls. Even the engine does not starts unless I press the gas while turning the key. At high speeds every ...
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1answer
111 views

Is my new car engine damaged?

I bought New Nissan 2 months ago. I was driving on down hills but as it was late at night and no car on the road, I enjoyed of high speed (4-5 min) and I didn't use the break . When we reached my ...
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0answers
93 views

Oil leaking, bad valve cover? [closed]

I noticed that my oil was empty 4 days after it was full. There is oil residue on the top of the engine and on the inside of the hood. I am wondering if this could be from a bad valve cover. It is a ...
5
votes
1answer
1k views

Acceptable amount of slack in a timing chain with high mileage?

1995 Chevy S-10 Blazer - 4.3 L Vortec V6 (vin W with PCM) - 230,000 miles original owner. FWIW, this model car/engine does not have timing chain inspection and/or changing as part of the routine ...
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0answers
26 views

Hiace 1996 ignition/motor problems

I have a 1996 Hiace. I was driving and it just died, nothing. Dash lights all work, but motor will not turn over, nothing from starter. It has dual fuel, and was wondering if it could be the AEB 552 ...
2
votes
2answers
3k views

Car sputtering and stalling when idle and going into first gear

My 2005 Honda accord is starting to sputter and stall. It started all of a sudden one day and figured it might be my oil so I had it changed since it was time anyway. That seemed to work fine there ...
3
votes
1answer
269 views

Truck won't crank; no sound from starter relays

I have a 1997 Expedition, which badly needed a tune up: the motor was shaking. I changed the plugs, which stopped the shaking; two days later the truck won't start. The battery is hot and the lights ...
20
votes
7answers
86k views

What are the risks of overfilling a small engine with oil?

I recently overfilled a 4 stroke lawnmower engine with oil. It has been run for about 1.5 hours while overfilled. It smokes a lot right after being started but after 30 seconds or so the smoke clears. ...
2
votes
1answer
915 views

engine light is blinking now

My car had no oil in it. I went and got the oil changed, and it was running better .I filled the gas tank up and then all of a sudden the engine light started blinking and it did not have power ,like ...
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votes
1answer
89 views

Drive no longer works on my Chrysler 300

I have 2006 300 Chrysler v-6 Hemi engine AWD 6 cylinder. I went to start my car this morning, put it in drive, but it wouldn't go. Then I put it in reverse and it would drive back as well as neutral. ...
5
votes
2answers
7k views

Ticking noise when accelerating

I have a Vauxhall Corsa "C" (2003)(EU) which is a standard 16v 1.2 petrol, the engine is chain driven and sits at 50k. I don't think it was well looked after (service wise) in previous lifes. ...
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2answers
44 views

03 Pontiac Grand Am won't start

I was driving the car today oil light came on went 1 mile to store and got oil but was only 1 qt low put it in had about 3 miles to go got one mile when it died again pushed it to the house now it ...
2
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2answers
383 views

Erratic Oil pressure in a 2005 Chev 2500HD with 6 litre gas engine

Bought truck in April. about one month later oil pressure would drop to zero and warning message would display Low Oil pressure and warning chimes would go off. Local GM dealer tested with mechanical ...
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1answer
55 views

Why does my 2012 Honda Fit's engine oil quickly get dark but my ~2009 Ford Edge's oil seems to stay quite clear?

My brother's approx. 2010 Scion's oil seems to get dark rather quickly as well. I've heard that darker oil means that the oil is doing its job and keeping the engine clean by bringing the contaminants ...
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1answer
100 views

Does using heat in the car SAVE gas?

Its well known that using heat in a car is almost free (see for example here). It is also known that using the heat can reduce the engine temperature which otherwise needs to rely on water cooling. ...
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2answers
2k views

Why is cold-start fuel mixture enrichment necessary?

I know a rich mixture is more fuel added than air in the ratio required (14.7:1), but how can it affect anything? I mean, if fuel is added but with no air it can't combust, so how can that affect the ...
2
votes
1answer
74 views

Engine Reving Up in Park and Neutral?

I have a 2001 Chevy Silverado 1500, it has about 118000 thousand miles on the engine, lately it is taching up to over 2000RPM only when i put it in park or neutral. Once i put it into drive or any ...
3
votes
1answer
2k views

Car won't start - replaced alternator - didn't help

I have a 5-6 years old Mazda 6 2010, 2.5L engine. My car simply won't start. I had this issue yesterday, so I called roadside assistance and they were able to jump start my car. I drove straight to ...
1
vote
1answer
251 views

Why do engines get louder with age?

My engine (Ford Escape Hybrid 2006) has gotten noticeably louder over the years. Not to the point that I'm concerned, but it has gotten me wondering why exactly engine noise gets worse with time. I've ...
2
votes
0answers
128 views

Mitsubishi Galant over heating with battery light and brake light on

I have a 2000 Mitsubishi Galant ES 2.4 cylinder engine. I parked my car after leaving the laundry mart and I got in to pick up my children and it would crank but won't start. So we changed the spark ...
0
votes
1answer
190 views

Does shifting gears at 10000 rpm damage my car?

If you drive a high power gasoline sports or a muscle car with a manual transmission, will it do any damage if I shift gears at 10000 rpm?
2
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3answers
577 views
2
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3answers
490 views

Ticking or clicking when accelerating

So I've had my Ford F-150 for a few years now. It's a 2001 and up until the other day it was running and sounding like new. On the way back from work I stopped at the gas station to fill up. When I ...
8
votes
3answers
2k views

Car won't start, possibly due to ants in batteries

Yesterday there were a ton of ants crawling out of some hole in my backseat. I sprayed the shit out of them. This morning, when I try to start the ignition, my engine clicks a lot but won't turn ...
3
votes
1answer
971 views

Car won't start problem

I have a problem with my car it won’t start. Just a little background on my car, I have a 2008 Nissan Versa and I have a cold air intake installed in my car with a hydro shield covering the air filter ...
7
votes
3answers
268 views

Can a valve suddenly break in half? Versys 650 destroyed engine

this week-end, I had to disassemble an engine from a kawasaki versys 650 (early). The bike lost power while making ugly metal sounds. It never started again. RIP. context: 108.000km, mostly higway ...
2
votes
1answer
96 views

my honda civic 2007 won't start

My Honda Civic 2007 won't start after installing a new engine because the first engine block bust out because water mixed with the oil. So I got a new engine. After they installed the engine, at the ...
2
votes
2answers
852 views

Why use a 12-cylinder engine over a 8-cylinder engine

When I look at Lamborghini Veneno and compare it for example to the Ferrari 458 Italia I can see that Lamborghini used a V12 while Ferrari placed a V8 inside the 458 Italia. I wonder why Lamborghini ...
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0answers
36 views

Merdeces stalls after 30sec-1min, and battery warning light is on [duplicate]

I've got an old but low mileage Mercedes and This problem puzzles me. The car stalls after a short time(30 seconds to 1 minute) after start up and the battery warning light on the dash lights up. I ...
4
votes
1answer
100 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 ...
7
votes
6answers
42k views

How to get a motor to Top Dead Center

I'm not sure how specific to my car this is or not, so I will include my car information just in case: It's a 1991 Honda CRX, base trim(the motor is the d15b2). On to the question: How do I go about ...
2
votes
4answers
10k views

Uneven idle when my '93 Honda Accord's engine is cold

When I start the engine cold in my '93 Honda Accord, it will rev up to 2000rpm and slowly go down to 800 rpm as the engine warms up (normal behavior), unless I do one of the following during this ...
2
votes
1answer
5k views

Having difficulty starting car in the morning/first start after a while

I've got a pretty old car (Nissan Pulsar J1J 1991 auto, 203K kms on the odometer) and it drives pretty well - I'm using it on a roadtrip across New Zealand and have taken it on pretty mountainous ...
8
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5answers
13k views

Doing my own fuel induction service - how to, and how difficult?

I was recommended to get a fuel induction service for a 2002 V4 Camry, and am considering doing it MYSELF. The reasons for considering this are: My car idles a bit rough, especially when the AC is ...
6
votes
3answers
7k views

Is it bad to drive slow at low rpms in 4th or 5th gear? Do you get better gas mileage?

Obviously running your engine at too high an RPM for too long isn't good. But what about running it too low? not so low that it stalls or lugs, but within around 1,000 RPM? Would you get better ...
2
votes
3answers
382 views

2004 Subaru XT under powered and smoking after oil change

Over the weekend I traveled home and back: about 140mi each way. About half way there the engine light came on, and, realizing it had been about 4500 miles since my last oil change, I added oil to the ...
2
votes
3answers
456 views

Steam out of exhaust after complete engine rebuild

I have completed a full engine rebuild, down to the bare block, of my Tacoma. Replaced all the gaskets, cleaned and lapped all the valves tight, tuned the valve lashes to spec, cleaned everything, ...
1
vote
1answer
77 views

Acceleration and engine issues

So I have a manual 02 Chevy Cavalier with 147000 miles 2.2L. I have been noticing that when I fully step on the gas I get zero acceleration. It gets even worse when I'm in either 4th or 5th gear after ...
5
votes
2answers
2k views

BMW 330D 2001 E46 Turbo Charger not working as expected after changing

I have a problem with my car. My car: BMW 330D, 135kw, 2001 year, E46. A week ago my turbo charger got broken when I was driving. There was a lot of white smoke going out of exhaust and there was ...
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votes
1answer
47 views

adaptor for 1994 Mazda B2300 P/U

My engine light comes off and on, I bought a DIAGNOSTIC SCAN TOOL (CAN OBDll) to check the engine light, as per Mazda book it shows in the diagram from my eec test plug to connect system selector tool ...