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The Car care Guide


Tune-Up(main page)| HARDSTARTING|KNOCKING | STALLING | EXHAUST ODOR | ROUGH RUNNING |


Power Loss & Poor Fuel consumption per liter/Gallon

Power Loss

Question!!,
  1. How long the fuel, filter was changed?

The Dirty filter is a commom cause of power loss. As noted under "poor Gas" milage, there can be many causes of this located with a diagnostic procedure.Here is some help full hints on what to look in power loss complain;;

 

  Cause :   Remedy :
Choke partially closed Open choke
Improper carburetor adjustment Adjust carburetor
Magneto improperly timed Time magneto
Worn rings Replace rings
Lack of lubrication Top up oil in crankcase
Air cleaner fouled Clean air cleaner
Valves leaking Grind valves and reset to correct jap

 

  Most probable cause :
Improper carburetor adjustment

Poor Fuel Consumption

By Keeping a regular check up of gas milage(miles driven divided by gallons used) you can tell if your engine is losing efficiency. Increased gas consumption may be accompanied by follwoing reasons too;
  1. Under inflated tires ( very low tire pressure or punctured tire)
  2. Engine running too cold
  3. Transmission malfunction( if auto transmission, No proper shifting)
  4. Dragging brakes (in simple terms brake jams or sticking ) \
  5. Misaligned wheels.(wheel alignment )
  6. Faulty Spark plugs.( Due for Replacement)
  7. Disty fuel filter and Air filter.
Some help full hint for poor fuel consumpstion;




  Cause :   Remedy :
Spark plug fouled Clean and regap spark plug
Spark plug cracked Replace spark plug
Improper spark plug gap Regap spark plug
Pitted magneto breaker points Replace pitted breaker points
Magneto breaker arm sluggish Clean and lubricate breaker point arm
Faulty condenser Check condenser on a tester; replace if defective
Improper carburetor adjustment Adjust carburetor
Improper valve clearance Adjust valve clearance
Weak valve spring Replace valve spring

 

  Most probable cause :
Spark plug


  Note : The spark plug is one of the most stressed parts on any power equipment. If it is found to be the spark plug at fault, maintenance on the motor would be a wise move.
(Any malfunction in a motor will directly effect the spark plug and cause premature failure)