plugs and wires

Asked by Robertkyboy1983 May 04, 2019 at 05:29 PM about the 1996 Chevrolet Cavalier Sedan FWD

Question type: Maintenance & Repair

I replaced my plugs and wires and its miss firing bad and won't idle. I have rechecked my plugs and wires. The plugs look fine and the wires are in the right order. Do you have any idea what's wrong?

2 Answers
27,570

oilyspill answered 5 years ago

Battery has a full charge and connections all good? With your foot holding the throttle a little, does it run ok? Any applicable trouble codes? Do you think it is an ignition miss-fire--fuel miss-fire or something else? If spark miss-fire, hopefully it will idle, use a digital multimeter on low voltage setting, you touch the spark plug wires, one at a time, you don't penetrate the wire or take it loose, it's an inductive reading, you just touch it. I've seen readings of .6 or .7 volts, not even a full volt. The point is, if the reading is bouncing off zero, there is no spark on that wire. My opinion.

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10

Thomas answered 5 years ago

I would make sure that you have the proper gap on the plugs and I would test to make sure that you don't have a bad plug or two I have run into that problem with brand new plugs.

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