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

learn more… | top users | synonyms

7
votes
4answers
105 views

2002 Ford F350 Superduty 7.3L Turbo diesel using a quart of oil every 43 miles

This Diesel engine has been rebuilt and it didn't use any oil till the HPOP went out. I replaced the oil pump and then I noticed my turbo when going up a hill and the Turbo would sound like a sneeze ...
2
votes
1answer
84 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 ...
2
votes
3answers
101 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 ...
0
votes
1answer
89 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 ...
1
vote
2answers
138 views

Impact of cigarette lighter ports on car battery

I have a cigarette lighter hole in my car that produces 12V. I bought a cigarette lighter extender that has 3 cigarette holes and each hole has 12V so that's 36V instead of 12V. Will that damage my ...
1
vote
0answers
65 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 ...
3
votes
0answers
20 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 ...
1
vote
2answers
181 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
votes
2answers
391 views

What does it mean when soot is coming out of my exhaust?

I have a 2001 Jetta Wagon (Golf Variant is caller in my country). Petrol engine. Usually rides school and back (15 miles) with engine between 2000 and 3000 rpm. Just did a 300 mile trip at ...
-1
votes
1answer
66 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. ...
1
vote
2answers
31 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
votes
1answer
155 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 ...
2
votes
2answers
297 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 ...
2
votes
1answer
85 views

Coolant light is on even after topping off

2000 Pontiac Grand Prix Gte - My low coolant light came on so I parked let it cool down went to auto store n got the Dexcool antifreeze and filled it past the hot marker. Drove it on the interstate ...
5
votes
3answers
3k views

Does revving a car when cold make it warm up faster?

As winter comes along, I've always thought that revving the car would make it warm up faster, so the heating works better to clear the icy/steamed up windows. Does revving my car at idle to about ...
1
vote
1answer
45 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 ...
0
votes
1answer
79 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. ...
2
votes
3answers
197 views

Pontiac Sunfire mysteriously won't start

So, here's the deal: -No lights, no noise, no clicking. -Battery voltage reads fine on multimeter. Terminals are very clean and not corroded. -But it won't jump start. -Headlights turn on. -Fuses are ...
5
votes
2answers
1k 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 ...
6
votes
3answers
257 views

What is the effect of adding more cylinders to an engine design?

I was trying to understand more about torque when I was comparing two engines, totally different engines. one engine ( Straigh 4 ) that produces 149 ft-lb at the maximum HP given (237HP@8300) the ...
3
votes
1answer
560 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
146 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 ...
0
votes
3answers
235 views

99 honda civic motor issues

I have a 99 honda civic. The engine started knocking while my boyfriend was driving it. He said it had just started. It was low on oil so i figured it was just overheating. However that didnt fix the ...
2
votes
3answers
505 views

What happen if an engine is welded directly to frame (no mounts)?

Just curious ... any downside beside a lot of vibrations?
0
votes
1answer
144 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
votes
3answers
116 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 ...
7
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
0answers
55 views

Wrongly plugged battery terminals

I inter-switched my battery wires, positive to negative. Now the car moves but does not accelerate with the pedal to the floor. What have I done to the car? The car is a Toyota land cruiser v8 2006. ...
6
votes
3answers
164 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
68 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 ...
5
votes
2answers
67 views

Toyota Avensis '99 - engine performance problem

My girlfriend and I drive an old Toyota Avensis that was produced in 2000. Its engine is Toyota's 3S-FE. Let me spare you my theories and tell you what symptoms arise: When the engine is cold, it ...
1
vote
0answers
34 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 ...
3
votes
1answer
66 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 ...
6
votes
3answers
3k 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
175 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
votes
1answer
33 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 ...
1
vote
1answer
18 views

2008 vti refuses to start.what should I do?

I have a 2008 vti and it refuses to start. The engine only makes "tch" sound everytime the key is turned on. I have tried moving it in reverse and forward as some make-shift mechanics suggested ...
4
votes
2answers
4k views

What is a rod knock?

What is a rod knock? What causes a rod knock, how bad is a knocking rod, and how can I tell if a rod is knocking?
0
votes
1answer
68 views

Timing belt changed, won't start

I just did the timing belt change in a Honda 2007 V6 Accord. I thought I aligned the belt, but I guess I didn't. Now it won't cranks but won't start. How do I fix the timing issue? mark on Crank is ...
1
vote
1answer
81 views

2007 chevy cobalt reduced engine power

I have a 2007 Chevy cobalt that shows a reduced engine power error. The problem is sporadic sometimes it will run like a sewing machine and other days it will show the error and shake like it is about ...
3
votes
1answer
27 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 ...
2
votes
2answers
53 views

Ticking in the engine

there was a ticking sound coming from my boyfriends truck Tuesday...once he had driven it for a little while the noise stopped...I asked him to check the oil and when he did, it was close to dry. We ...
6
votes
1answer
111 views

Car can't start after rocker gasket change

I have a 2008 BMW 120d LCI with N47 engine. Recently was diagnosed with some oil leak on the rocker gasket near the injector area. Were advised to change the rocker gasket seals. So I did change the ...
2
votes
1answer
68 views

2000 mustang v6 engine swap?

Im planning on putting a short block v8 motor into my mustang. The problem I am facing right now is knowing how much torque and horsepower my transmission (4R70W) can stand. The junk yard sells motors ...
2
votes
1answer
146 views

How do the bore and stroke affect the characteristics of an engine?

How do the lengths of the bore and stroke affect the performance (power and torque), and general running characteristics (e.g. redline, noise etc) of a 4 cylinder engine? Note: When asking this ...
4
votes
2answers
230 views

Why do engines run badly below the normal idle speed?

When the engine speed in my petrol car drops below about 650-700 RPM - the normal idle speed - it starts to shake and judder. This could be because say, I didn't give enough gas when pulling away. ...
3
votes
2answers
174 views

After Replacing EGR valve and tube: repeat of code P0401 for 98 Accord V6

About 13 months and 7500 miles ago, my mechanic replaced the EGR Valve and Tube and cleaned the intake to solve the low airflow problem. Now I'm again getting an insufficient flow warning with my ...
2
votes
1answer
54 views

Honda Shadow VT750 louder exhaust noise, low power

Recently, my motorcycle got smashed by my girlfriend (who was driving behind me) in the rear. As a result of the impact, I got propelled into the rear of the car in front of me. Both fenders are ...
4
votes
0answers
101 views

My BMW X5 won't stay running

Hello I have a 2003 BMW X5. I just got the engine replace a couple days ago. I went to pick it up but because the shop was done installing the motor but now I have to deal with the other problems I ...
1
vote
2answers
116 views

Which Engine is more powerful?

Engine A Specifications: Displacement: 1198 CC Max Power (bhp @ rpm): 87 @ 6000 Max Torque (Nm @ rpm): 110 @ 4800 Engine B Specifications: Displacement: 1197 CC Max Power (bhp @ rpm): 82 @ 6000 ...