Ok I have a yellow spark off the coil.my problem started one day, the car has been running fine. got up started it and it spits and sputters. the yellow spark has me stumped,i had the trigger tested at advance auto parts,disty clean no wobble,tried a delco coil same symptoms i am stumped. Please help I am disabled on a fixed income and I cant just throw parts at it .. Kenneth
I know ths is late, but I had the same problem. I replaced the plugs, plug wires, rotor & cap, ignition coil & then the entire distributor -- no change. What finally fixed the problem was a new "igniter" from a junkyard -- small device located on the bracket which holds the coil & fusebox. The old igniter was a bit corroded on the back from fumes from the battery. While I was at it, I also put in a new ignition condensor which is mounted on the same bracket -- but later determined that the old condensor was fine. A new igniter is expensive (>$100) but you can get one chepaly if you pull your own from a junkyard (I paid $7 for mine). Good luck.
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I just changed mine two days ago.I have a 1994 Protege DX and the VIN number says it's a DOHC. It does have two overhead cams BUT the value gasket is for the SOHC. My gasket has 6 holes.... just double check.
Simply loosen the six 10mm bolts and don't forget the 10mm bolt left side holding the timing belt cover in place. Disconnect the two rubber hoses and each end of the valve cover. I used a small screw driver to try out the old gasket. reverse process.
i have a 97 Tahoe with 5.7 vortex it had weak spark at plug it would turn over well but not fire enough to start and would foul the plugs with gas if i removed the fuel pump relay and tried it would dry out enough to start i would replace relay and it would keep running had ignition mod checked ok replaced coil problem went away
If all the coils are giving spark now,then you moat likely have gas fouled plugs now,so change them out with new ones,all 8 of them.If you do not have spark on all plug wires,pull the timing belt cover,and align the cam shaft and the cam,to see if the belt has jumped.If It hasn`t,replace the crankshaft sensor.
a voltage check doesnt tell you alot with a coil... check resistance on primary and secondary circuits of coil to test it... ignition module controls coil so if its ok id go after the module... see foriegn cars are no different they break down just as much, its just way more expensive...keep your head up...
I had the same problem. first I changed the computer. No avail. comp. was fine. Second, got a distributor from junk yard. Works great 10k mile later. Try the distributor and ignition coil. the New oem parts are pricey. good luck.
try buying new points (yes there called points) gap them then install them, they go under the distributor cap, by the condenser, also, the sparkplug wires go in a certin order so if your not sure call an michanics shop and tell them what kind of car you have and they'll tell you what order they should go in. also did you gap the spark plugs??