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97 chevy monte carlo 3100 v6 cylinder 3 misfire


CJINOHIO03

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I have had a cylinder 3 misfire for awhile. I had the injector and spark plug replaced. It did not change anything and it is getting good spark. I was told it could be the injector driver. Is this in the pcm? Anything else this can be? the motor only has like 50k so i wouldnt think the valve is burnt etc..
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Have you had the ignition control module checked while heatsoaked? When they start breaking down, heat can really mess up their operation. It may not be evident in a quick test. You need to get it warm (remember underhood driving temp) and have it tested.
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Have you had the ignition control module checked while heatsoaked? When they start breaking down, heat can really mess up their operation. It may not be evident in a quick test. You need to get it warm (remember underhood driving temp) and have it tested.
x2 that would be my guess of the coil its self.
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It has spark and a good wire on cyl 3 hot or cold a new spark plug and a new injector I don't have the tool to get a probe down in the harness to check for injector pulse it might be bad injector harness injectors are not batch fired on this motor I would try to borrow a good computer from someone to test with if a known good working comp does not correct the problem the injector harness is probably bad if you need it I have a good color wiring diagram and a pcm pinout you can have
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