20 Engines trouble and its causes that affects your vehicle life.

20 Engines trouble and its causes that affects your vehicle life.

July 6, 2018 0 By Harshit Mishra

20 Engine Troubles and its causes

Here we are going to discuss about one of the major part of any vehicle that is its “Engine”.

In this blog you are going to understand about 20 Engine troubles and its causes.
The remedies of these troubles are easily applicable by you on your lovable vehicle either it is scooters, cars, and tractors are also elaborated with their causes.

So here engine troubles are very dangerous for your vehicle it can cause major damage to your vehicle and also yourself.

20 Engine troubles and its causes


So please read at the last to take ample amount of knowledge of engine troubles and its causes to protect your car from engine troubles and also save money from servicing.

Before starting these blog you should have to understand that do not do any types of practice on engine it will be dangerous for you if you are not an expert.

If you are a beginner do this practices in underguidance of your elders or an expert.

S.No.TroublesPossible causes
1Engine does not turn over when starting us attempted.1. Discharged battery.
2. Open starting circuit.
3. Jammed bendix drive.
4. Jammed cranking drive.
5. Jammed engine.
6. Also causes listed in under 3.
2Engine turn over slowly but does not start.1.Discharged Battery.
2. Defective cranking motor.
3. Bad connection in starting circuit.
4. Undersized battery cables.
5. Also causes listed in under 3.
3Engine turns over at normal speed but does not start.1. Defective ignition system.
2. Defective or over-chocking fuel system.
3. Air leakage in intake manifold or carburettor.
4. Defective engine.
4Engine runs but misses one cylinder.1. Defective spark plug.
2. Defective distributor lead or cap.
3. Stuck valve.
4. Defective piston and rings.
5. Defective head gasket.
5Engines runs but misses different cylinders.1. Defective ignition.
2. Defective fuel system.
3. Loss of compression.
4. Defective valve action.
5. Defective rings.
6. Overheated engine.
7. Sticking manifold heat control valve
8.Clogged exhaust.
6Engine lacks power, acceleration or high speed performance at hot or cold.1. Defective ignition.
2. Defective fuel system.
3. Clogged exhaust.
4. Throttle valve not opening fully.
5. Loss of compression.
6. Excessive carbon in engine.
7. Defective valve action.
8. Excessive rolling resistance from low type pressure, dragging brakes, wheel misalignment.
9. Heavy oil.
10. Wrong or bad fuel.
7Engine lacks power, acceleration or high speed performance at hot only.1. Engine overheats.
2. Defective choke.
3. Sticking manifold heat control valve.
4. Vapour lock.
8Engine lacks power, acceleration or high speed performance at cold only.1. Struck automatic choke.
2. Stuck automatic choke control valve.
3. Struck cooling system thermostat.
4. Struck engine valves.
9Engine overheats.1. Lack of water.
2. Late ignition system.
3. Loose ore broken fan belt.
4. Defective thermostat.
5. Clogged water jackets.
6. Defective radiatior hose.
7. Defective water pump.
8. Insufficient engine oil.
9. High altitude, hot climate operation.
10. Late valve timing.
10Rough idle.1. Incorrect carburettor idle adjustment.
2. Malfunctioning crankcase ventilator valve on closed crankcase ventilating system.
3. Also, causes listed under 6,7 & 8.
11Engine stalls cold or as it warms up.1. Closed choke valve.
2. Fuel not getting to or through carburettor.
3. Manifold heat control valve stuck.
4. Engine overheats.
5. Too low setting of idling speed.
12Engine stalls after idling or speed driving slow.1. Defective fuel pump.
2. Overheating.
3. High carburettor float level.
4. Incorrect idling adjustment.
13Engine stalls after high speed driving.1. Vapour lock.
2. Defective idler venting or idle compensator valve.
3. Engine overheats.
14Engine backfires.1. Ignition timing off.
2. Spark plug of wrong heating range.
3. Excessive rich or lean mixture.
4. overheating of an engine.
5. Carbon in Engine.
6. Valves hot or sticking.
7. Cracked distributor cap.
15Smoky exhaust: (a) Blue smoke. (b) Black smoke1. Excessive oil consumption.
2. Excessive rich mixture.
16Excessive oil Consumption.1. External leaks.
2. Burning oil in combustion chamber.
17Low oil pressure1. Worn engine bearing.
2. Engine overheating.
3. Oil dilution or foaming.
4. Defective lubrication system.
18Excessive fuel consumption1. Nervous driver.
2. High speed.
3. Short run operation.
4. Excessive fuel pump pressure or pump leakage.
5. Choke partly closed after warm-up.
6. Clogged air cleaner.
7. High Carburettor float level.
8. Stuck or dirty float needle valve.
9. Worn carburettor jet.
10. Stuck metering rod or full power piston.
11. Idle too rich or too fast.
12. Stuck accelerator pump check valve.
13. Carburettor leaks.
14. Faulty ignition.
15. Loss of engine compression.
16. Defective valve action.
17. Clutch slippage.
18. Excessive rolling resistance from low tyre pressure, dragging brakes, wheel misalignment, etc.
19Engine is noisy: (a)Regular clicking. (b) Ping or chatter on load or acceleration. (c) Light knock or pound with engine floating. (d) Light metallic double knock usually most audible during idle. (e) Chattering or ratting during acceleration. (f) Hollow muffled, belt-like sound, engine cold. (g) Dull, heavy, metallic knock under load. (h) Miscellaneous noises.1. Valve and Tappet noise.
2. Spark knock due to low octane fuel, carbon, advance ignition timing. Also see 14
3. Worn connecting rid bearing or crank pin, mis-aligned rod, lack of oil.
4. Worn or loose piston pin or lack of oil.
5. Worn rings, cylinder walls, low ring tension, broken rings.
6. Piston slap due to worn pistons, walls, collapsed piston skirts, excessive clearance, lack of oil, mis-aligned connecting rods.
7. Regular noise, worn main bearings, irregular, worn end thrust bearings.
8. Rattles, etc. from loosely mounted accessories, generator horn,oil pan, etc.
20Abnormal detonation1. Spark plug are tending to overheat.
2. Air-fuel mixture is too lean.
3. Excessive carbon deposit on piston.


if you apply those instructions to your vehicle it will run like you never see follow all the tips that are instructed above me and you both don’t want that our vehicle gets sopped in between the long journey because this is something which takes our mood of from the journey.

i have given you the following instruction about how to use and when to use lets have a look to the video given below



So, Now you have understand 20 Engine troubles and its causes that covers allmost every aspects of engine troubles and its causes. Hope you apply it in very systematic way to get the better results of your vehicles engine.

For understanding other vehicle parts and its remides to cure to subscribe this blog for next informational blog on other automoblies topics.

You may also like→piston and connecting rod & working 



Follow & like us on Facebook & Instagram