Getting fuel, valves set, getting fire, new wires, plugs and rotor, and cap, also timed, problems started when I had head reworked, enging has 186, 000, miles, it still won't start, maybe you can tell me what can be the problem, engine was running good, before I did all of this.Thanks, Mr.Michael Thomas
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Re: won't start-1989 isuzu spacecab-pickup-2.6
Did you sync up the engine properly when you reinstalled the timing belt/chain? It is possible to be on the marks and be 180 degrees off. Align the timing mark on the crankshaft then check the rotor position.If it doesn't point to number one wire terminal position roll the engine over until the crank lines up to the timing mark again. The distributer needs to be pointing the wire terminal that goes to number cylinder.Any other position is unacceptable and you can't simply turn the distributer to number one either You need to retime the crankshaft to the camshft making sure that the distrubitor points to number one and both valves for number one cylinder are completely closed.
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If the plug is wet with fuel, it is an indication that the plug is not firing properly. Possible causes? Distributor cap, rotor, points/inductive pickup, spark plug wire or the spark plug itself. If you or a friend, relative, etc. has or has access to an inductive pickup timing light, connect the light to a power source and the inductive pickup to the plug wire of the "wet" spark plug. Start the engine and observe if the flash from the timing light is relatively constant in its frequency or is it erratic and sporadic. If the latter is true, check the distributor cap, rotor, distributor points/inductive pickup and plug wire. If the former is true, remove the spark plug and check the compression against other cylinders. If compression is good, replace the spark plug with a new one. If compression is lower than others, the air/fuel mixture in that cylinder is not being compressed engough for combustion, leaving the spark plug "wet". To learn the cause, put a teaspoon of motor oil in the spark plug hole, and recheck compression. If it doesn't increase, you probably have a valve or head gasket problem. If it does rise, you probably have a piston ring problem . Good luck
you said you repl dist cap that means you don't have a crank sensor you have electronic ing module. remove your elec ing module have it tested most auto parts stores could test your module, or check your coil at the neg terminal. should have power. if not you lost your primary volt from your batt.your secondary power is coming from your electronic ing module from the module to the pos terminal on the coil, when the eng cranks,from the coil to the dist cap , from the dist cap center to the rotor then out to the plugs,this all happen pervided the timing belt or timing chain is ok. the cumbustion chainber needs 3 things , thats fuel, air, and spark.
assuming you the coil, plugs, cap, rotor and wires are good. check the cam sensor, If you have 12 volts to the coil using a 12v light tester. The cam sensor responsible for sending info to the computer telling it that the cam is turning, then the computer tell the coil to dispurse the charge/sparks to the distributor as distributordistribute the sparks to each plugs from the rotor of the distributor. Replace the cam sensor, it tend to go bad over period of time.
Remove the valve cover on the driver's side and turn the engine over by hand until you see the intake open on #1 cylinder. and then close followed by the exhaust valve starting to open. #1 is front driver's side.Back up a little and set the crank timimg mark on 0 on the degree marker. That should be TDC. Put the rotor button on the distributor and set it roughly at the 3 o'clock position and put it in. As it meshes with the cam gear it will turn and once fully seated should be at 5 o'clock. that is the position of #1 plug wire. If it's not at 5 o'clock pull it out and turn the rotor button slightly to catch a new tooth and reinsert. DO NOT force the distributor into position. Wiggle and push,turn the rotor slightly and it will go into place. Patience is the key here and make sure it is fully seated on the intake. Once it is in place the firing order is1-8-4-3-6-5-7-2 and the distributor runs clockwise. Odd cylinder's are on the driver's side and even on the passenger's.
You may have to adjust the distributor a little one way or the other to get the engine to fire. That's normal. Once you get it running you can set the timing with your light. If you have no light then advance the distributor until it start's to sputter and do the same in ******. Then set your timing in the middle of that space, that will get you close. Hope this helps.