Questions tagged [engine]

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

493 questions with no upvoted or accepted answers
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110 views

Antifreeze in my engine, and now it's making a ticking noise

I changed a busted intake out, also changed the plugs. Some old antifreeze get in the plug holes when I pulled the plugs. I have reassembled the car, but it runs bad and has a ticking noise. ...
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443 views

Changing Freeze Plugs on a Mazda 626

On a 98 Mazda 626 4 cylinder 2L engine where are the freeze plugs and how hard is it to replace them?
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959 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 ...
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464 views

Engine randomly turns off on Mazda Capella 2000

Recently I have been having some issues with my Mazda Capella 2000 occasionally just switching off while I am at low revs. It doesn't often happen but when it does it seems to happen multiple times in ...
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1answer
12k views

Flat / collapsed upper radiator hose!

I have changed my radiator cap couple of months ago with an original OEM one. The older one had a broken sealant which caused engine over heating. Now, i have no heating problems but after the engine ...
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2answers
194 views

BMW 525i 2001 after maintenance makes whining sound, hesitates before moving

I have a 2001 BMW 525i where I just replaced the spark plugs and the cooling system inlet and outlet hoses and the intake manifold gasket. I got it all put back and started up but makes a whining ...
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0answers
33 views

Coolant level fluctuates too much

I have a problem with the coolant level from my car (Renault 1.5 dCI engine). It fluctuates too much. I left home with the coolant level at the minimum mark. After approximately 10 minutes I stopped ...
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2answers
85 views

Knocking under load on first gear

I have this issue.. I already asked on FordOwnersClub, but I feel like here I might have a better chance to sort it out. I bought a Ford Focus mk3 2011 with 1.6 ecoboost 134kW engine with 90k km. My ...
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0answers
44 views

EJ205 - Valves Seats Recut and Reseated by machinist then failed leakdown test on engine stand

After getting the community's help on my previous question, I sent my cylinder heads to a local machine shop to get a valve job done (valve seats cut, valves reseated, and valve clearances redone). ...
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0answers
39 views

crankshaft rotation R6

I am performing a valve adjustment, I have been reading the yamaha r6 workshop manual, and it tells me to rotate the crankshaft counterclockwise, by doing this I hear gear sounds that I did not like, ...
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2answers
163 views

Renault Clio 5 motor oil

Which type of motor oil is suitable for Renault Clio 5 sce 65 with petrol engine? I think a 5w30 but i don't know what type. Maintenance and warranty sheet : norm RN 17 , engine oil volume 3.40 L , ...
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238 views

Engine jerks at certain RPM - Misfire & fuel system over pressure [P000F, P0302]

My Audi A5 1.8t has started having some hiccups after an engine job (Changed valves, timing chain & camshaft intake side) The car starts fine, it sounds fine, but it has the following problems: ...
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0answers
14 views

Renault Clio 2007 1.2i ticking sound at one accelerator position

I have a Renault Clio 1.2i and the engine (I guess) makes a ticking sound only when accelerator is slightly pressed down (usually the location where I'd like to keep my speed and not accelerate), if I ...
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0answers
432 views

Scooter stalls when idle

I have a 1995 Yamaha Zuma sports scooter. It's a 2-stroke 50cc. Approx. 13,000km. It hadn't been used in probably more than 10 years. I recently cleaned out the carburetor and put fresh fuel and oil ...
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1answer
42 views

2002 Mercury Mountaineer V8 4.6 2W Drive

While driving on freeway going 75 MPH using cruise control, my engine stops running. I still have lights and power but no power steering or power brakes because engine was off. I put it in neutral and ...
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0answers
80 views

Opel astra H crankshaft sensor issue

I have replaced the crankshaft sensor on my opel astra H 2007. The question I still can not answer is where all those turnings are coming from. The mechanic told me they arr not from the engine side, ...
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0answers
31 views

How to analyse engine oil analysis results?

I got an engine oil analysis done on my 1991 CAT 3116 with 124,000k miles on it. I received a sheet of what I presume to be the result of some kind of spectrometry. As I'm not an analytical chemist, I ...
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0answers
44 views

Clicking sound in engine, very strange evolution

I have come here in hopes to get some help regarding my impala. It is a 2006 Chevy Impala with a V6 engine, I was out of town for 2 weeks and when I got home I got in my impala and stated her up. it ...
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0answers
237 views

What is a “upper intake cleaning” and do I really need to do it

I took my '06 ford ranger (140k miles) to the shop after it was misfiring badly. They informed me that I need new plugs/wires and a new coil pack. They also wanted to sell me a upper intaking cleaning....
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377 views

Bent push rod, valve bent as well?

so i finally got around to opening up the head of my lawn mower and found out why it wasnt running. the intake push rod is bent. and the exhaust is straight. obviously my valves were way out of spec ...
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0answers
38 views

1972 international Harvester Scout II 345 engine - LOUD bang & PLUMES white smoke from engine

Just put water in radiator, heard and felt VERY LOUD BANG from engine and massive amounts of white smoke blew from engine when trying to start. Engine didn't turnover & turned off key ASAP. ...
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0answers
1k views

Engine sputtering when warm and jerking when accelerating

I have a Volvo s40 1996 1.8 (manual), and the problem is that when the engine gets warm it starts to have ideling problems and when driving and trying to accelerate fast it starts to jerk. When the ...
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0answers
206 views

VW Polo shuddering question

I have recently bought a 2007 1.4 VW Polo. I am still adjusting to driving the car and one thing I have managed quite a few times is going uphill in too higher gear or shifting up too soon (my ...
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0answers
253 views

Honda CBR150 Race Bike Engine Problems

I have a Honda CBR150 race bike with some engine problems. The bike struggles to start, think of the way a carburetor bike would struggle to start if it hasn't been run in a long time, but it does it ...
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0answers
251 views

2005 C200 Kompressor steering lock

My 2005 C200 Kompressor's steering wheel is locked and I can't turn the key; the remote opens the doors but the dashboard lights switch off in about five seconds. The battery's voltage is 12.22 now ...
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0answers
1k views

Engine loses power at certain rpm once it gets hot

I have a Pulsar 220 which starts good but after riding few kms, engine starts getting too hot. Even the high temp and oil change sign starts blinking. There is no issue with engine oil. As I get it ...
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0answers
137 views

Car keeps breaking fuel injectors?

Ok so i'm having quiet a strange issues with one of my cars (08 X5 E70 4.8L V8) that may be worth discussing. It seems to keep "blowing" through injectors on only one bank. Suddenly i noticed CEL and ...
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0answers
84 views

Goes into limp mode while towing over 2k RPM

I have a 2005 Isuzu Rodeo Denver, 3.0 automatic 190,000 miles on clock. Under heavy towing the engine management light comes on when over 2000 rpm, goes into idle mode. Drop the revs or down into ...
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0answers
668 views

W204 C180 Manifold absolute pressure sensor

I am trying to install a RaceChip unit in my car. I need to find the Manifold absolute pressure sensor. I am aware that it’s near the air box, but I can’t find it. Here is where it should be: Here ...
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0answers
96 views

Mercedes engine sump replacement

Have a Mercedes R class that needs the engine oil sump replaced, I have the parts, would anyone know either the best way to go about such a repair or know of someone capable. Mercedes price was ...
2
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1answer
4k views

Engine temperature gauge stays on cold

I have a 2011 Hyundai equus and all of a sudden my temperature gauge stays on cold I checked my coolant level and it was low in which I added the correct amount and drove for awhile but temp gauge is ...
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0answers
338 views

2007 Dodge Charger 2.7L A/T - Limp Mode on Heavy Throttle & Hanging in Gear

Trying to help out my neighbor here. 2007 Charger with a 2.7L. 100k+ Miles on the body/transmission. "If I drive very carefully I can get it up to highway speed. If I romp on it, or push it too ...
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0answers
55 views

A180 diesel doesn't start, pops open diesel cap instead

When I try to start my diesel Mercedes A180 it doesn't start and the diesel cap opens instead! When I turn the key, sometimes it makes the starting noise (but then stops). At other times it doesn't ...
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0answers
309 views

The timing of my Peugeot 308 cc 2010 was torn

The timing chain of my Peugeot 308 cc 2010 THP (ep6) was torn, after replacing the parts and repairing the car there was another problem. Now the car is antipollution faile error, it is very weak at ...
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0answers
132 views

Why does Actors truck has oil in the radiator?

Actros V6 engine. There is engine oil in the radiator, but no water in engine oil. I have replaced the oil cooler, but the oil is there again. Then I changed the head gaskets and check the head, but ...
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0answers
141 views

oil in my cooling system liquid is my TURBO damaged

I have a kia forte 5 sx 2016 with about 31000 miles on it. Last week the 4 spark plugs broke. I've got them changed under my guarantee. I knew something was wrong but the dealer didn't want to look ...
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0answers
94 views

Tachometer Oscillating in Cold Weather

My 2012 Mazda3 appears to have some engine difficulty in cold weather (below 10F) when at operating temperature. As I hold the gas pedal steady to maintain speed, the tachometer will jump back and ...
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0answers
237 views

94 Jeep 5.2 crank no start

I've owned my Grand Cherokee Laredo 10 years I love my Jeep let me explain why!! 2 days before it died while I was driving I couldn't go over 35 when I applied gas it would Studdard backfire and lose ...
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0answers
533 views

Slipped timing belt. Can hard cranking an engine with cam timing way off likely cause valve damage?

I have a 1979 Austin Sherpa with an "O Series" 1700 petrol engine. Engine was running great before I replaced exhaust/inlet manifold and an SU Carb. Then it just wouldn't start. The engine was ...
2
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1answer
144 views

negative LTFT in bike

I have Bajaj Dominar 400 CC single cylinder bike with FI system.its 7k on odo now.Recently i pluged Diagnostic tool and found my LTFT is negative 11%.My bike has underbelly exhaust with catcon as ...
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0answers
1k views

Honda Civic 2010 (8th gen) won't start

My 2010 civic will crank but won't start. All the normal dash lights will turn on however, the engine won't start. It will sometimes make a little sound but most of the time it stays silent. I tried ...
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0answers
88 views

jumping RPMs around 60-100kms when i push it harder , lower acceleration due to this issue

I've got a 2001 Honda Civic 1.7L 4cyl. engine with an automatic transmission. My issue with it is mainly I find when accelerating faster, like merging on a highway, if I try to push it until it ...
2
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0answers
125 views

Diagnosing Engine Knock

My 2003 Volvo XC70 had a slight engine knock for about 5000 miles but never showed any signs of damage to the engine. Oil was fine and it only made the sound in around the 2500-3500 rpm range. One ...
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0answers
952 views

Engine knock when engine is hot

I have an 05 Mazda MPV V6 engine. When it starts up there is no noise and everything is fine. After engine is hot I get a knocking sound and the oil pressure light comes on. By looking at earlier post ...
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0answers
426 views

Poor running after head gasket replacement.

2002 Grand Prix 3.1 v6. I have just changed blown head gaskets on my car. I have also replaced radiator water pump. Hoses belt spark plugs starter .working on getting new battery. I have bypassed the ...
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0answers
2k views

When does engine lugging occur

Recently I was driving on the autobahn in my 2011 Audi A4 TDi with stage 1 tune to 177 HP / 390 Nm. Typically I would be in 6th gear from 90 km/t and above, leaving the RPM quite low. This is unless ...
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0answers
182 views

2005 Saturn Ion running rough after running for 30 minutes

My 2005 Saturn Ion starts and runs great for about 30 minutes or so, then it starts running rough like the mixture is too rich. I have to let it sit for an hour or two and then it cranks and runs ...
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0answers
1k views

OVERHEATING SILVERADO WHILE TOWING

So recently I was trying to haul my wifes '03 Volkswagen Beetle with my '08 Silverado. The truck was pulling fine, plenty of power, no struggle as expected. Around the 100 mile mark my truck began ...
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0answers
87 views

Honda Dirt Bike cr70r not accelerating well

This is an older bike that sat still for over 10 years. Replaced the carb, fuel lines and valve. I have tried tuning the carb to solve the issue. Bike runs fine idle and rides ok slowly (in 1, 2 and 3)...
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0answers
1k views

High pitched noise from engine bay at high RPM

I have a 2001 Ford F-150 with the 4.6L modular V8 engine. This morning I noticed it was making a high pitched noise when accelerating hard. This is audible in the cab of the pickup truck. Upon further ...

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