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- *** EXPERT MECHANIC *** (Rules from Byte, June 1985)
- Q:Does the engine start?
- YQ:Does the engine stall?
- YQ:Any air leaks in or around the intake manifold?
- YC:Check the manifold
- NQ:Are the valves set too tight?
- YC:Check the valves
- NQ:Are the ignition points burned, pitted, or gapped incorrectly?
- YC:Check the points
- NQ:Is the idle speed set too slow?
- YC:Adjust the idle speed
- NC:Check the carb mixture
- NQ:Does the engine misfire?
- YQ:Are the spark plugs fouled, damaged, too hot, too cold, or gapped wrong?
- YC:Check the plugs
- NQ:Is the head gasket blown?
- YC:Change the head gasket
- NQ:Are the points burned, pitted, or incorrectly gapped?
- YC:Check the points
- NQ:Are the valves worn, sticking, or valve springs broken or weak?
- YC:Check the valves
- NQ:Is carburation poor due to clogged or loose jets, air leaks, or bad mixture?
- YC:Check the carburator
- NQ:Are there any signs of free gas around the carburator?
- YC:The float may be sticking
- NC:Check the ignition timing
- NQ:Does the engine lack power or performance?
- YQ:Is the ignition timing off?
- YC:Adjust the timing
- NQ:Has vacuum advance failed?
- YC:Fix the vacuum advance
- NQ:Are the points burned, pitted, sticking or bouncing?
- YC:Change the points
- NC:It could be the piston rings
- NQ:Does the engine idle roughly?
- YC:Check the fuel volatility
- NC:Check the cylinder head
- NQ:Does the starter crank the engine?
- YQ:Are the points burned, pitted, dirty or fail to function?
- YC:Fix the points
- NQ:Is the coil output weak, nonexistent?
- YC:Change the coil
- NQ:Is the coil resistor burned out or open?
- YC:Change the coil
- NQ:Are the spark plugs damaged, dirty, wet, or gapped incorrectly?
- YC:Change the spark plugs
- NQ:Is the fuel pump worn, leaking, clogged or inoperative?
- YC:Change the fuel pump
- NQ:Is the choke incorrectly set or inoperative?
- YC:Fix the choke
- NQ:Is it the carb float, jets or needle valve
- YC:Fix the carburator
- NQ:Is the distributor cap, rotor, insulator damaged or wet?
- YC:Fix the distributor
- NQ:Are the ignition cables cracked, wet, corroded?
- YC:Fix the ignition cables
- NQ:Does ignition switch remain open when key is turned?
- YC:Replace the ignition switch or battery
- NC:The problem could be in the fuel
- NQ:Are the battery terminals loose or corroded?
- YC:Fix the terminals
- NQ:Does the starter motor fail to operate when power is applied directly?
- YC:Replace the starter
- NQ:Does starter drive gear fail to engage flywheel?
- YC:Replace the solenoid
- NC:Replace the battery
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