No Start - Engine Cranks OK

NO START - ENGINE CRANKS OK


Definition: Engine cranks OK, but does not start. May fire a few times.


^ Perform "Diagnostic Circuit Check - Calif".


^ Make sure proper starting procedure is being used. See Owner's Manual.


^ Visual (Physical) Check:


- Vacuum hoses for splits, kinks and proper connections, as shown on Vehicle Emission Control Information label.


- Ignition wires for cracking, hardness and proper connections at both distributor cap and spark plugs.

^ Remove air cleaner:


- Check carburetor choke valve, vacuum break(s), linkage and unloader operation. Set to specifications. Choke valve should move smoothly and be closed when cold, and open when hot.

^ Check for presence of fuel by noting carburetor accelerator pump operation. Look for gas squirt in carburetor bore while quickly opening throttle lever.

- If no pump squirt.

^ Check for fuel in tank.
^ Check carburetor fuel inlet filter. Replace if dirty or plugged.


^ Check fuel pump capacity.


^ If fuel pump checks OK, check float needle for sticking in seat, or binding float.


- If there is a pump squirt.

^ Crank engine and check for flooding.


^ If not flooding, see "Ignition System Check", Chart C-4B.


^ Remove spark plugs. Check for wet plugs, cracks, wear, improper gap, burned electrodes, or heavy deposits. Repair or replace as necessary.


^ Visually check distributor cap inside and out for moisture, dust, cracks, burns, and arcing to coil mounting screws.


^ Try to turn distributor shaft by hand. Drive pin may be broken.


^ After starting engine, perform the "System Performance Check".


^ Very cold temperatures:


- Check that the proper viscosity oil is being used, and crank case oil is not contaminated with gasoline.