General internal combustion engine questions.

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2
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3answers
92 views

How do I reduce engine idling rpm without stalling it?

Considering idling losses are present in every engine, reducing the idling rpm might be providing significant savings. But, as I noticed on my bike, the chances of engine stalling increases with ...
2
votes
2answers
54 views

Pontiac g6 runs lean; throwing codes

My 2006 g6 v6 3.5 is showing codes p0171, p0174, p0705 and u0073 171 and 174 show that the engine is running lean. Is this a serious issue? 0705 shows the trans range sensor a circuit 0073 says the ...
1
vote
1answer
53 views

Heavy Towing 2007 Chevy Avalanche 5.3L [closed]

I'm going to be doing a bit of heavy towing with my truck. Up to and sometimes over its rated weights (approx 7000lbs). What can I do to add the necessary power and transmission performance that I'm ...
2
votes
1answer
128 views

Should we wait a few seconds before starting the engine?

My OCDed cousin's told me when he enter his car, he put the key to ignition then count to 3 and start the engine. The main raison of him doing that is to give enought time to fluids (I'm not sure ...
0
votes
1answer
19 views

No power situation - 1990 Mercury Couger

The engine won't turn over and there is no radio or power windows. What is the connection with these three things all at once? I replaced the coil and starter. Checked fuses, relays, etc. It ...
3
votes
2answers
119 views

What happens to a car engine when giving max throttle while not in gear

I was driving (well standing still actually) during rush hour, and I was suddenly wondering what would happen to a car engine when I would push the accelerator pedal all the way down while the engine ...
1
vote
0answers
26 views

ISUZU CUBIC mixing oil in coolant

ISUZU CUBIC - CITIBUS ENGINE - 6hh1, 8300cc, 6 Cylinder, No Turbo I have this Isuzu with the above description. It is mixing oil and water coolant. I did not find water in the crankcase but found oil ...
5
votes
2answers
274 views

Ditch water in radiator

I lost a coolant hose going down the road and all my antifreeze was gone. I found a puddle along the road and filled my radiator back up after I fixed the hose. Will this cause electrolysis in my ...
2
votes
1answer
16 views

Dodge Caravan 2000 sudden rev

My Dodge Caravan 2000 suddenly revs at high speeds. When travelling at 70km/h, the rpm would suddenly go from 1.5k to 2-2.5k instantly and jerks afterward. I'm not really a car guy so if you guys ...
2
votes
0answers
25 views

2007 Suzuki Forenza motor

I took my 2007 Suzuki Forenza in for regular maintenance to replace timing belt, nothing was wrong with it. I was just following suggested time to change. They changed it and the water pump, but put ...
0
votes
0answers
15 views

Fuel Efficiency vs Engine capacity [duplicate]

How come there are cars with 1500cc engine producing with better fuel efficiency than a 800cc motorcycle with roughly the same amount of bhp? For example a Suzuki Splash with 1200cc and 87bhp returns ...
1
vote
2answers
29 views

New breaker points not working

I'm trying to replace the breaker point on my 1980 Oldsmobile, trying to fix some spurious misfires and engine stalls. The car was converted to gasoline in the early nineties or late eighties, engine ...
2
votes
1answer
48 views

Carburettor jetting on installation of aftermarket air filter

I have a 150cc motorcycle and am planning to install an after market air filter(K&N) since the stock one was favoring fuel efficiency and not performance. The bike has a carburetor (Mikuni) not ...
0
votes
1answer
69 views

Turbo Charging Suzuki Splash/Ritz

Can I turbo charge my Suzuki Splash/Ritz? Its a 1.2 liter petrol engine with 85HP. What types of engines can be turbo-charged. If it's possible, how would I do it?
2
votes
2answers
119 views

“tick-tick” sound in Enfield Clasic Motorcycle

BIKE ENFIELD CLASSIC 350 2013 Model ODOMETER: 14000 One and half year old Oil changed one and half month before general servicing. There is a particular sound from the engine while riding ...
0
votes
0answers
22 views

2002 Ford Ranger V6 sputter in 3rd & 4th gear

My Ranger has been running fine and now all of a sudden it sputters in 3rd and 4th gear. Anyone have an idea what causes this and what couple of things I can should look at first??
1
vote
1answer
56 views

Risks of “excess and lack” of Engine oil

I ride a Honda Stunner CBF 125 CC daily for approx 30 kms, with an average speed of 45 km/hr. I noticed that my motorcycle has been consuming too much engine oil like it not used to few years ago. ...
0
votes
1answer
43 views

Switching off the AC before turning off the engine to increase longevity - urban myth? [duplicate]

I was riding with a friend and he insisted that it's better for me to switch off the AC before turning off the engine because when you turn on the car the AC won't get switched on with it and the ...
1
vote
1answer
22 views

2004 Chevy Silverado 4.8 check engine light on

Codes are: P0101 mass air flow circuit failure. P01071 bank 1 lean and P0174 bank 2 lean. Did a replacement of the intake manifold gaskets and a fuel injector de-carbonization service. After 40 ...
3
votes
1answer
56 views

Opel Corsa D engine issue?

I have a 2011 1.4 petrol Corsa D. When accelerating the car lurches. This doesn't happen all the time and is seemingly random. It may happen when I accelerate from 60 on the motorway back to 70 or 30 ...
4
votes
1answer
56 views

Yamaha FZS Ver- 2.0 Engine Seizure

I gave my bike (Yamaha FZS ver 2.0) to an authorized service center for it's first-time service. The mechanic didn't fit the drainbolt (which is under the engine) properly causing the engine oil to ...
3
votes
2answers
85 views

I accidentally kept my vehicle Choke ON while riding?

I have Honda Dio 2015 Model. Yesterday, I kept the Choke ON while riding. I wanted to know what are the damages it probably causes to the engine? Does it have any after effects on the engine?
1
vote
0answers
43 views

Would “one cylinder's out” semantics include a head gasket? [closed]

I sold a car on craigslist with part of the title being "Runs, but one cylinder's out". I had taken the car to Firestone to diagnose why one cylinder wasn't firing right and they said it has 0% ...
3
votes
3answers
60 views

2003 F150 5.4L V8 Long Term Fuel Trim High Bank 2

I am currently chasing a lean condition in my Ford F150. My fuel trims were reading high on one bank (bank 2) and I am curious when I find the vacuum leak or whatever is causing the high readings, how ...
2
votes
0answers
35 views

Honda XR650l first ride after winterization

Before winter I had the oil changed, filled the gas tank and added the recommended amount of Sta-bil fuel stabilizer. Then rode around for about ten minutes then switched the petcock to off and ran ...
3
votes
0answers
55 views

newly rebuilt engine, long warm-up & severe shaking

I have a 2002 Toyota Celica GT with a newly rebuilt engine (ran out of oil and threw rods) but problems still persist. I was told by the mechanic to allow myself a 500 mile break in time of not ...
4
votes
1answer
103 views

Oil pressure decresases when I step on the gas

I have a 1982 Mercedes W123 with a 2L gas engine. I have noticed some weirdness with the oil pressure and want to know if this is an indication of a problem. Let's say I am driving at 60km/h and the ...
3
votes
0answers
101 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 ...
5
votes
1answer
69 views

What is the Carter Gas Filter for?

I'm confused with this, are there any combustion gasses in the carter and why do they need to be filtered? What is the Carter gas filter, where is it located and what is its use? Is there a way to ...
1
vote
1answer
54 views

2005 Honda Civic - Oveheating

So my car has been overheating for over 1 year. It overheated during summer or when I went 80mph only. I recently saved up enough money to get the car fixed. I brought it to my mechanic and informed ...
1
vote
2answers
212 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 ...
3
votes
1answer
71 views

Old Air Compressor Rebuild (and general piston engines) - Oil On Cylinder Walls?

So I have recently acquired (for free) a circa 1973 Speedaire 20 gallon compressor with no history. After a short while of use the check valve failed and when I removed it I noticed it and the air ...
2
votes
0answers
37 views

Typical voltage drop when air con, radio, lights, etc. in use

Imagine the engine/alternator are running and the battery voltage is 14V. If I now turn on the air conditioner, radio, headlights, seat warmer, cigarette lighter, should I now expect the voltage to ...
2
votes
1answer
56 views

Will a 95 4AFE engine work on Euro 4 gasoline?

I am hearing news in our country that they might upgrade our fuel from EURO 2 gasoline to EURO 4. I am worried that it might damage the engine on my 95 corolla, which I still plan on keeping for at ...
2
votes
2answers
48 views

Engine doesn't want to stop

I have a '59 Nash Met. with a straight 4. It runs great, but when I turn it off the engine continues to run for up to a minute, sometimes violently shaking as it comes to a halt. Any idea what causes ...
0
votes
1answer
44 views

weather causing power loss

Why would my engine lose power when the weather temperature gets warmer. While driving the vehicle will not have as much power when it gets warm or hot.
10
votes
1answer
386 views

Changing Firing Order in a 4 Cylinder Car

Backstory In motorcycling you can get cams that change the firing order and time from a traditional 1,3,4,2. It's was very common in American roadracing in the 1990's to hear 4 Cylinder engines that ...
4
votes
1answer
83 views

Overheating & boiling in the overflow tank

I have had the gases checked in my overflow tank (which boils short distances) and also over heats. Two different mechanics tested the gases and said it's not the head gasket but yet it still boils ...
1
vote
1answer
82 views

2006 Volvo s40 started smoking suddenly

Had my car serviced two weeks ago fuel consumption and great and been driving smoothly. Yesterday driving from work it suddenly started smoking terribly. Stop at the gas station checked the oil and it ...
1
vote
1answer
112 views

Noise when the engine is idle

I would like to know why my car is making noise when the engine is idle, but the noise is silence when I pressed the clutch ?
3
votes
0answers
34 views

Rebuild for longevity

So, I have a question about a 98 2.0 rt neon. I am going to get a top/bottom rebuild on it, the block has 260000 km on it. I have seen rebuild kits on the market anywhere from 300 dollars (ebay ...
3
votes
1answer
86 views

What are reasons my engine would sputter when turning off?

I have Subaru Impreza 2.5i (2.5 NA). My car's engine sputters a bit when turning it off. Specifically it seems like the cars engine keeps turning for a little longer right after I remove the keys. ...
1
vote
1answer
50 views

1974 Ford Econoline E200 Van acts fuel starved after warm up

I have a 1974 Ford Econoline E200 Van with an 8 cylinder with the present symptoms: It starts and runs great, but once is warmed up, it feels like it is not injecting fuel. It loses power and slows ...
2
votes
0answers
35 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
0answers
70 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 ...
1
vote
0answers
17 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
74 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
45 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? ...
4
votes
2answers
248 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
1answer
128 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 ...