Not firing from coil. new coil. the little wire into coil has power but its not firing recently put new head gaskets and timing chain cam shaft and lifters drove it home and went to start it again boom no fire from coil
I'm going to assume you can tell by listening that the cylinders still have normal compression.
There is a cam sensor which uses the camshaft and an ignition module that together provide the ground to the coil. Either component could have failed.
Since you changed the cam and the timing chain it could be something related to the cam sensor.
You may need to get a book or shop manual to have the test procedures for each component.
Check the main relay and fuse.
SOURCE: 1996 gmc sonoma
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Long start time and misfires can be caused by retarded
engine time. Purchase a timing light and check your engine time against the
front pulley and the timing scale located around your timing chain cover. If you have
recently had your timing belt or chain replaced you could be a tooth off.
With regard to your ABS light the easiest thing to check or replace is the
speed sensor on the wheel. Because this is a magnetic pick-up sensor and due to
the location (on the wheel behind the rotor) can be susceptible to corrosion.
That is also the most common cause of an illuminated ABS light. Do you have 4
or 2 wheel anti lock? The 4 wheel abs doesn't change what could be wrong, it
just means you have more speed sensors to check.
SOURCE: oil on spark plug
no, not a blown headgasket, remove the valve cover and inspect the spark plug hole seals(tube seals in the valve cover) replace if brittle and old. also change the valve cover gasket since u have it off...adjust the valves as well
SOURCE: BLOWN HEAD GASKET ON 1997 F250 7.5L
bolt torque speces for 1995 F-250 7.5L camshaft sprocket bolt,harmonic balancer bolt,timing cover bolts and water pump bolts?
SOURCE: 2000 ford explorer ohv 4.0I replaced head gasket.
Do a compresion check, if Ok then timing chain is ok, try some throtle body cleaner trough a vac. hose while cranking if stars, fuel pump is out, another way if you have no codes the most poss. cuase is your fuel pump, check press is gauge handy
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