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misfire above 3000rpm and weak spark when cranking 200 1984

posted by  kenneth cardell on  Thu Jul 28 13:39 CST 2005
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Can anyone give me some advice regarding a ignition problem i am having. I have a 84gl b23f w/volvo-chrysler ignition with a bosch coil. I cant seem to go faster than 65-70 without the engine cutting out. It doesent die, just starts to cut out. I thought it was a fuel supply prob. but replaced intank pump and filter as well as main fule filter. I have checked all of the wiring under the hood and repaired any old wires. If i rev the engine while the car is in park, at about 3000rpm, it gets a pronounced misfire, which is about highway speed for me. I checked spark at coil and spark is pink. Primary res.=1.5 sec. res.= 9600 ohms. The distributor(rebuilt),coil,wires,rotor and plugs are less than 6 months old.I think that this problem may also be responsable for a sputter upon acceleration or if i push the gas too fast. How can i diagnose the ignition control unit? Does anyone have any suggestions as to how i should go about fixing this? thanks, kennethcardell






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