General internal combustion engine questions.

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4
votes
3answers
54 views

Royal Enfield Classic 350 - Motor Break-in Best Practice

How many km's should be driven with a lower speed to setup the bore for a Royal Enfield Classic 350, what is the minimum speed for that duration and how many km's should we maintain that lower speed?
2
votes
0answers
11 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 ...
8
votes
2answers
2k views

Low power, bad gas mileage, smelly exhaust after engine work

My 92 Civic has had low power (need to use at least one gear lower than usual to get the same power) and has been getting bad gas mileage (15-25mpg vs 32-42 mpg usual) since I replaced the head ...
3
votes
0answers
13 views

High Idle and Engine Noise in Chrysler 300c Hemi

I recently bought a 300, it had 170000 miles on it. When I test drove it nothing felt wrong what so ever. Week later it started turning off by itself in the middle of the freeway or alleys. Got it ...
0
votes
3answers
108 views

Derbi Senda 50cc won't run correctly?

I have a Derbi Senda SM 50 2005 plate. It has a good spark, however, it's not reading any compression. It's had a new top end and gaskets! What could be wrong? Sometimes it starts when you bump start ...
1
vote
0answers
14 views

over loading, missfiring

My car is missing particularly whenever ur going up hill or in any case where u have to give it more gas. I've replaced plugs, caps, Cool Pak's. Ignition module, tps sensor, mass air flow sensor and ...
4
votes
1answer
26 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 ...
1
vote
0answers
21 views

Engine smooth after techron then rough again

I used techron additive. After a gas tankful, the engine is smooth and powerful as new. However after another tankful of normal gas the engine is rough and sluggish again. Why is this happening? ...
0
votes
1answer
39 views

Sludge in the radiator

I have a 08 Kia Rio 5. A mechanic recently rebuild the engine, replaced water pump, changed timing belts etc etc, but now it's leaking oil - not just that, I also found sludge in the radiator and ...
2
votes
0answers
91 views

2003 Suzuki Katana 600 shuts off after running for 10–20 seconds

My 2003 Suzuki Katana GSX600F shuts off after ten to twenty seconds after start. It doesn't spit and sputter, it just shuts down. I have loosened the bowl screws while it's running and confirmed that ...
4
votes
4answers
11k views

Diesel Engine difficult to start

I have a diesel powered Audi A4 B7 (2006) 2.0TDi (the 170BHP variety) with a manual gearbox, which I've owned for around 18 months. The car has just short of 100k miles and has a full dealer service ...
1
vote
1answer
71 views

Saab 93 Automatic died when waiting for traffic light and won't start again

I just bought a 2006 Saab 93 Aero 2.0T automatic in October, 72000 miles. Everything seems perfect. But 2 weeks ago, the engine died while I was waiting for red light in the town centre, I just braked ...
2
votes
1answer
21 views

E46 Check engine light on at high altitude

In my E46 BMW, the yellow check engine light always turns on when visiting Lake Tahoe (altitude ranging from 6000-8000 feet). It usually turns off if I've been there for a couple days. After many ...
3
votes
1answer
204 views

1990 Toyota Pickup 22re fuel injection EFI relay is getting hot

While driving my truck, the engine stopped dead, like it ran out of gas. I used a by-pass wire to go around the EFI and Circuit open relay, the truck ran fine. I noticed a ground wire leading from the ...
4
votes
2answers
2k views

Lugging the Engine (Manual Transmission)

So...lugging the engine obviously isn't something that is good. But why? For example when you feather a clutch to get the car moving, it lugs for a quick moment when you hit the catch point (When ...
3
votes
1answer
753 views

Identifying American (Mercury) Mariner outboard

We have Mariner 9.9E outboard motor. Having hard time figuring out year and Yamaha equivalent (early Mariners were Yamahas in disguise). There is very little information on those, and it is hard to ...
2
votes
4answers
2k views

Is starting idle RPM always lower in colder temperatures?

I've noticed that my 2008 Jetta 2.5L 5W40 generally starts up with an idle RPM of at most 1.2K RPM around the freezing temperature (say when the temp sensor reads 33°F), or even at just about 1K ...
3
votes
1answer
76 views

why is it not good to stall a cold engine

I've always known that you cannot stall (regular turn off by turning key (i'm not sure how that's called in english)) an engine if it is not yet reached it's work temperature. For example, if i go to ...
1
vote
0answers
10 views

2001 GMC Jimmy wont start?

Hi I have a 2001 GMC Jimmy it was running fine, then parked it. it starting acting funny, sometimes would take a couple times to start, so checked my oil dipstick, it read a little high and smelt ...
5
votes
2answers
129 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. ...
4
votes
1answer
29 views

E46 engine chirps when idling in the morning

The title pretty much sums it up. If I haven't driven the car in a few days, the BMW E46 engine makes a faint chirp for about 30 seconds when I start up the engine. It's more like a rapid chirp, as ...
6
votes
5answers
15k 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 ...
4
votes
0answers
27 views

Leftover parts after head gasket change; are they engine mounts or braces?

About a year ago, I replaced a head gasket on a 1994 Chevy Cavalier 2.2L. After I put everything back together there were two parts left over. The car runs good considering it's 20 years old, however ...
5
votes
1answer
128 views

Coolant/antifreeze leaking out of engine block (See photo/video)

I'm not sure exactly what is going on with my vehicle ('98 Wrangler, 4.0L), but it's pretty obvious something is wrong. I think I might have had some minor coolant leaking after the past few times ...
2
votes
0answers
86 views

Craftsman snowblower: sudden death

I have a Craftsman 9hp dual (eg electric) start snowblower. It is very similar (or the same) as the one in this manual. It has been running smoothly all winter - I can start it reliably with the ...
1
vote
1answer
46 views

my car acts like its going to stall at a stop

my car drives fine but when i come to a stop light or any stop it acts like it will stall but never does. did some easy things like oil change. no check engine light is on but it seems to keep ...
3
votes
0answers
16 views

Ford Fiesta Mk6 Diesel Engine Fault

Upon acceleration the following lights illuminate once the engine reaches 3000-4000 RPM: A message; "Engine Fault" appears on the dash screen. Once this happens, the engine will no longer rev ...
2
votes
2answers
29 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 ...
4
votes
3answers
27k views

Car shakes when in gear at red light

I bought a '96 Toyota Camry about a month ago. When I first turn the car on and the engine is cold, I can have the car stopped (in gear) and it will not shake. The idle RPMs will be at 1000. After ...
13
votes
4answers
11k views

Is it OK to mix oil of different viscosity?

I have a Mazda RX-8 (with a Wankel rotary engine). Mazda advises North American owners to use 5W-20 oil. The engine was just replaced 200 miles ago by the dealer so it currently has 5W-20 in it. ...
1
vote
1answer
48 views

Honda Engine Seize & overheats

I have Honda Trigger CB and it's a good motor vehicle but when I cross speed at 100km/hr. It heats a lot and often get seize in mid way. It then need to cool off to let me ride it again. Also it gives ...
1
vote
1answer
27 views

Turbo gain level

I have a question - do you have any idea about potential power level of 132 kW (180 HP), 700 Nm MAN truck (TGL) 4.5 litre engine with damaged (not working) turbo? Would it accelerate to 55 km/h with ...
2
votes
1answer
1k 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 ...
1
vote
0answers
18 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 ...
1
vote
0answers
18 views

Renault/Dacia Logan 2014+ engine temperature indicator?

the Renault/Dacia Logan 2014 and above have indicators like this: As you can see, the dial at the right has the total mileage and the fuel indicator only. I'm wondering if there is an indicator for ...
4
votes
1answer
59 views

Coolant leaking into engine

I had my truck in for service - 2006 Sierra Denali - due to an oil leak. They replaced the "engine oil cooler lines to pan gasket". Within a couple of days had a major issue - coolant had gotten into ...
0
votes
1answer
23 views

Won't pickup speed

Got1991 caddy press pedal to floor won't pickup speed engine dies out what's the problem could it be my fuel injectors fuel pump will not accelerate no leaks transmission good no smoke 1991 ...
2
votes
0answers
43 views

Engine oil leak from motorcycle

I'm having this peculiar problem. There is an engine oil leak from my 160 cc motorcycle. The thing is that, I got the engine oil changed couple of days back, by a nearby mechanic. Now the problem is ...
2
votes
1answer
26 views

Dodge Ram SRT-10 Problem

My Dad owns a 2005 Ram SRT-10 Quad Cab. The problem is when my dad trys to go over 100 MPH it doesn't let him. And I know the Ram SRT-10 can go a lot faster than that. In fact the Ram SRT-10 can reach ...
0
votes
1answer
97 views

96 Toyota Camry won't stay started

My 96 Camry starts first time every time then stalls after 10-20 seconds? Last year it ran fine but rarely would stall @ running speed. I had to set for 2-3min before it would start then it ran ...
8
votes
4answers
15k views

Why does a Turbocharger only produce boost when the engine is under load

As per the Title. Why does a turbocharged car only produce significant boost whilst the engine is under load. Is is something to do with how much exhaust is being produced or is there some kind of ...
3
votes
1answer
533 views

Why does my engine hesitate when I first start?

My question may be related to this other one, but its answer is inadequate for me to be able to diagnose my problem and know what to do to fix it. When I start my car in the morning (or sometimes ...
2
votes
1answer
180 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 odometer) and it drives pretty well - I'm using in on a roadtrip across New Zealand and have taken it on pretty mountainous terrain ...
4
votes
2answers
3k views

Engine never warms up (actually: it cools down) at highway speeds

I have a 1997 Caravan (base model) and normally on my drive to work and my highway drives in rush-hour, the engine warms up just fine. I took a road trip for work, about an hour and fifteen minutes ...
1
vote
0answers
33 views

Bmw 320 d 2011 n47t

I've got my timing chain fixed before it was too late . I had a great experience with my local dealer and replaced it free of charge , my question is , will it ever get this bad again? I got a 2 year ...
3
votes
1answer
291 views

Brake Specific Fuel Consumption of 2-stroke vs 4-stroke

How much fuel do various types of engines burn per power output? I'm especially interested in naturally aspirated piston engines, and comparing two-stroke to four-stroke. The wikipedia article gives ...
2
votes
1answer
35 views

Sluggish Acceleration

I have a 2003 Kia Spectra. Just replaced the radiator. The car does not overheat when running, no fluid leaking. However, car is very sluggish when accelerating. Rpm goes up but car jerks into ...
4
votes
1answer
535 views

2005 Honda Accord cold start idle is low

I'm not a car expert so I don't know if I'm being alarmist or not but this problem just started happening the past week and seems to be getting worse fast. Hopefully the terms I'm using is helpful in ...
5
votes
3answers
237 views

Honda Odyssey engine cut out

I have a 1997 Honda Odyssey automatic, it stopped running in the middle of the road and when I tried starting it again it made a loud whining sound, then I turned the key off and tried again and it ...
1
vote
0answers
24 views

2011 Kia Optima Repair

While driving my 2011 Kia Optima LX with 58,000 miles, the engine shut off and I coasted to a stop. Attempting to restart resulted in one weak crank then nothing. There is fuel and electricity. The ...