General internal combustion engine questions.

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2
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2answers
130 views

Holden Commodore not moving

I own a petrol powered Holden Commodore car 1998 model and it worked fine till last week. Suddenly it stopped moving freely. When I press the accelerator up to 30% it makes noise but doesn't move. If ...
2
votes
1answer
216 views

Peugeot 406 won't start in cold weather

I drive a Peugeot 406 2.0 HDI, 2001. This morning it was -13 °C (9 °F) and the engine couldn't start. First two times, I could hear the engine running, but the third time it died and my temporary data ...
2
votes
1answer
144 views

94' Dodge Spirit 3.0l v6 Throttle position sensor over 4.96V

I pulled up the codes from my 94 spirit that's been running sluggish and unresponsive lately. I got a 24* Throttle position sensor over 4.96V. I put a new TPS in and I'm still getting this code. Do I ...
2
votes
1answer
831 views

Engine does not have enough power (and has limited RPM)

I have a 1982 Mercedes W123 (engine M102 - gasoline, 2.0L, 80kW, with Stromberg 175CDT carburetor). The car has been modified to run on LPG, the modification consists of adding a LPG tank, vaporizer ...
2
votes
1answer
49 views

Four-body carbs regulation.

I would like to adjust four-body carbs by myself, in order to avoid spent money every time. What are the basic rules, tools and secrets of many body carbs regulation?
2
votes
1answer
949 views

Maintenance on a 2005 Nissan Sentra 1.8S

My previous car was totalled and while shopping for used cars, I have found a 2005 Nissan Sentra 1.8S on sale for a very good price. It is being sold by the current owner, and it has been going to the ...
2
votes
2answers
2k 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 ...
2
votes
1answer
182 views

How much vacuum should be present in a 2 stroke intake manifold?

I have a 2 stroke Mercury 2.5 hp that has recently been dropped in the water. The motor used to run fine but now it won't start. I have dried the motor out and cleaned the carby, it's got plenty of ...
2
votes
1answer
21 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 ...
2
votes
1answer
27 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 ...
2
votes
0answers
55 views

2004 Chevy Malibu Classic Acceleration & starting problems

I was riding along and my 2004 Chevy Malibu Classic stopped accelerating. I was pressing the gas but it wouldn't go any faster. I coasted off the highway and turned it off, then I started it back up ...
2
votes
1answer
90 views

Car doesn't start for 1 hr

My 1997 Dodge grand Caravan will run fine for about 2 to 3 weeks, then all of a sudden when I turn it off it doesn't want to start back up: all the lights work just fine and I got full power, but it ...
2
votes
0answers
294 views

Toyota Avensis Intake Manifold Rattle Fix - quesion about gasket

I have a Toyota Avensis which has the intake manifold rattle problem. I asked the dealer for a price on the new part and he quoted me €400. From a breakers yard they are hard to get and the going rate ...
2
votes
0answers
517 views

Mercedes Atego OBD2 live data codes

I have tried to connect an OBD2 ELM327 adapter in Mercedes Atego. Somehow I managed to get it in that OBD2 connector. I can see that my adapter is receiving electricity. These are the PID's that I ...
1
vote
3answers
5k views

Best Ways to Pass Emissions?

I recently bought a 1989 Mercedes 300E that didn't run. Has a straight-six gas engine. Thanks to the miracle of Seafoam and a lot of luck, I was able to get fuel delivery happening again. I then ...
1
vote
2answers
2k views

Why bikes with gears are preferred when there is gearless(or automatic gear) technology?

I know that lower gears have higher acceleration & low top speeds and higher gears have low acceleration & higher top speeds. But I would like to know why this gear system was designed first ...
1
vote
4answers
235 views

How to prevent a car from boosting?

Considering a turbo car. The specific model is a Dodge Caliber SRT 2008, but I'd prefer a more generic answer. How can one prevent the car from boosting while still having a car that can be driven ...
1
vote
4answers
5k 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 ...
1
vote
2answers
4k views

High-pitched squealing coming from engine

I've been told that a wet serpentine belt causes this. Is that true? If not, what else could it be? How can I fix this? This is a 2004 Chevy Trailblazer (4.2L 6-cyl. engine). I hear the noise ...
1
vote
3answers
420 views

How do I determine if my Toyota Camry 1994 LE has a 5S-FE or 1MZ-FE engine?

My car: Toyota Camry 1994 LE, 4 cyl, 4 door sedan. What is the type of the engine?
1
vote
2answers
113 views

Are engines of the same model bike identical?

I am planning to buy a Yamaha Crux from the showroom. I'd like to know how to compare the engines in each of the available bikes of the same model. Will they differ in any way? One mechanic I know ...
1
vote
2answers
346 views

Should I replace a “blown” engine on my John Deere mower?

I have a 2005 John Deere 115 19 HP automatic riding mower. After leaving it in the garage all winter, I started the mower, drove it about 50 yards, and engaged the blade. It went about 20 feet, made a ...
1
vote
1answer
75 views

how a car engine can get accustomed on some behavior?

A lot of people say that a car engine gets accustomed to the driver style and in particular to specific RPM gear changing and it will perform into those "learned" parameters. I must mention that I am ...
1
vote
3answers
90 views

Should I do anything or check anything before starting my push mower after sitting all winter?

I didn't do anything to "winterize" it, but we only had a few stretches of really cold weather (less than 20F) and the majority of the winter was between 20F and 50F. Should I do anything before ...
1
vote
2answers
194 views

Best cars for drifting [closed]

I'm trying to find list of best cars for drifting (cheep and with left wheel), Can anyone please suggest me some cars?
1
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2answers
31 views

Engine died while driving and won't start again

I have a Hyundai Sonata 2002 automatic which has just broken down. What happened is that while driving the engine suddenly stopped and the check engine light turned on. I attempted to start the engine ...
1
vote
1answer
45 views

Which operations are done when key is turn to On position?

I would like to know which operations or functions do the car when I turn de key to On position (the key positions before start the engine) in gas engine and in diesel engine. For example, in a ...
1
vote
2answers
62 views

Can a variable engine exist?

I have really no knowledge about mechanics but such a curious guy. Excuse my Ignorance. Does a variable engine exist? Like as the vehicle slows down the engine will slow down and when the vehicle ...
1
vote
1answer
61 views

Idle sometimes too high (BMWM50B25TU)

Yesterday I had to drive a lot and after 100 miles I noticed that the idle won't go below 1500 rpm (should be 600) on my 1993 BMW 525i (euro model), except when I drove slowly in a high gear. This ...
1
vote
1answer
323 views

black smoke from maruti 800 1996 model

I have purchased a second hand maruti 800(1996 model) car and is in good running condition, but black smoke is coming out from the engine. I took to mechanic and he said that, the black smoke coming ...
1
vote
2answers
228 views

Can an Idle Control Valve cause backfiring and can it be cleaned

I am pulling codes for my engine indicating a faulty idle control valve. The vehicle at idle seems to hunt jumping between about 800rpm and 1100rpm. It happens maybe every 20 seconds. If I accelerate ...
1
vote
1answer
162 views

Buick Timing Chain or Cam Problem

I have a 1995 Buick Century with a 3.1L v6 engine. I was driving along one day and the car simply quit. After having the car towed to the local shop, they explained it could be a timing chain or the ...
1
vote
1answer
961 views

Smoke on start-up: valve gasket?

I have a 1990 Honda Accord. Sometimes, when starting up after sitting for a long time, I get blue smoke from the exhaust. This only lasts for a minute or two, after that, there's no smoke whatsoever. ...
1
vote
3answers
301 views

My 2001 Mitsubishi Airtrek revs at 2250rpm for 30 seconds before slowing. Will this speed harm the engine?

My 2001 Mitsubishi Airtrek 2wd with 86000k revs at 2250rpm for 30 seconds before slowing. Will this speed harm the engine?
1
vote
1answer
49 views

Strokes during compression test?

Just wondering what the general consensus out there for the amount of times the vehicle turns over during a compression test? I have heard anywhere from 5-8, and personally crank 7. What is the ...
1
vote
1answer
310 views

Crate motor for 2004 Dodge Neon

I'm looking for a good source to get a crate motor. I've tried some google searches but only found motors with high milage on them. I'm trying to decide on getting a crate or just rebuilidng existing ...
1
vote
1answer
852 views

Does a warped engine block affect compression test?

Check other questions, and did not see an answer. Backstory: Driving around, discovered pin hole in radiator. Chose to drive home, since I was at my exit, and I lived right there. Blew head gasket. ...
1
vote
2answers
37 views

Squeak on agressive clutching - Renault Megane

I am looking at buying a Renault Megane 2005 1.4 petrol. The car looks in very good condition but it has a subtle squeak if I release the clutch pedal too suddenly ... this is either on gearing up or ...
1
vote
1answer
24 views

High RPM and engine heating on 2001 Subaru Legacy

I have a 2001 Subaru Legacy L station wagon with 143k miles. I do not know when the timing belt was done, or when the spark plugs were replaces last. I only know that the brakes, tires, and one of the ...
1
vote
1answer
55 views

How can I identify which cylinder is responsible for a petrol engine misfire?

My petrol engine has developed a persistent misfire. How can I figure out which cylinder is the culprit in order to hone in on the root cause?
1
vote
2answers
61 views

I have an issue with Stepping on gas and no increase in speed

It only happens rarely.. but sometimes when stepping down the gas it would suddenly max out the speed gauge, and you hear the very loud engine noise as if i stepped down the gas all the way, but what ...
1
vote
1answer
57 views

How to spot remove high temp engine paint?

I've recently painted an engine post reassembly, due to cost reasons. No doubt I've encountered overspray on certain parts. I know sandblasting the engine proper is a huge no-no, and soda blasting ...
1
vote
1answer
75 views

Engine swap considerations

I'm interested in restoring an old car that has a relatively underpowered engine. I'm curious how difficult it would be to replace it with a different (cheaper, more common, more powerful) engine. ...
1
vote
1answer
301 views

Change in engine oil color just after oil change

I have changed my new Swift VDI car engine oil at 19344kms. Just after the oil change at 19344reading means car is not run even 100 feets i checked the oil and i found it very black in color and it ...
1
vote
2answers
71 views

2003 Acura TLS running hotter than usual

I'm having some concerns with my car's engine temperature. Last weekend after being stopped at an intersection, the engine temperature went up higher than usual, about 75% of the way to the red line. ...
1
vote
2answers
202 views

Possible to diagnose broken transmission without starting engine?

While I know a little about cars, the bulk of my knowledge came from when I was a kid bolting on stuff to my Honda and racing it illegally. (So, not much.) My '96 Civic DX (5-speed) recently passed ...
1
vote
1answer
474 views

Cold engine works on three out of four cylinders

When my Honda CBR900’s engine is cold, it works only on three cylinders. When the engine begins to warm, all goes fine and all the cylinders begin to work. What can cause this?
1
vote
1answer
444 views

Engine and gearbox replacement for 1993 Mitsubishi Triton 4x4

I'm sure it's possible technically but I would like to know what the options are for engine replacements. The 4 cyl engine in my Ute is past its life expectancy. I'm interested to know if a new modern ...
1
vote
1answer
1k views

1998 Ford Contour P0171 P0174

I have a 1998 Ford Contour that has a check engine light. I checked the codes, and found: P0171 System Too Lean (Bank 1) P0174 System Too Lean (Bank 2) P0401 Insufficient EGR Flow P1131 Lack of ...
1
vote
1answer
2k views

How to fix Accord 1998 EX V6 OBD-II trouble code “P0108” — MAP (Manifold Absolute Pressure) Pressure Circuit High Input?

A few days ago, my Honda Accord 1998 V6 EX's "check engine" light came on. Since then, the engine experiences instability during idle. At stop lights, I can hear the engine having trouble stay running ...