Question about Cars & Trucks
Replace head and timing belt , had spark before we ghanged the belt but now have no spark but have power to coil and power to dizzy but when car turns over no spark.
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Posted on Jan 02, 2017
SOURCE: No Spark
Sorry to tell you this if you dont already know its the ecu, take it out take off the cover and youll see the main capacitor in the center (its a black capacitor with grey markings, there are a couple of others similar located around the board but this one pretty much in the center) of the board has black suit around it and on the board, if your carefull a $3 capacitor (your local **** smith electronics will have one) and solder it in making sure you get the polarities right. unfortunately with these model cars it is a major problem, but if you are not confident with the work email me at matmenzies.adam.com.au and i can referr you to an ecu recon joint for around 85 they will fix your ecu, NOW the problem, there will be a reason why the ecu blew, it will be simple like cracked lead or wire earthing somewhere on chasis, you see the smallest earth spike, even from say turning the car over too much will blow that capacitor. sorry for the bad news and i hope i have been of some assistance.
Posted on Jan 28, 2009
SOURCE: no spark 350 chevy tbi
You need power on both sides of the coil with key on engine off. With test light on neg side of coil you should get flashing light with engine cranking. No flashing indicates no trigger from ign module. No flashing can also mean the pick-up is faulty. To check pick-up dissconnect from module and use analoge meter set on ohms.Check meter movement during crank. If o/k check rotor for burn through.and change module.
Posted on Apr 23, 2009
There is no crank shaft sensor for this truck,check all fuses,make sure there is none blown,check for 12 volts at the coil,if there is no voltage at the coil,replace the ignition switch,if there is voltage at the coil,make sure the rotor button,is turning when turning the engine over with the starter.If the rotor button ,is not turning,then the timing chain,in the engine has broke.I do not know how to tell you to check the map sensor,but if it is bad,it will not fire.
Posted on Jan 19, 2010
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